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ESI Manual of Clinical Endocrinology
RV Jayakumar, Nihal Thomas, Sarita Bajaj, Sanjay Kalra, Rakesh Sahay, Nalini S Shah, Ambrish Mithal, GR Sridhar, Anil Bhansali, KM Prasanna Kumar, Nikhil Tandon, Shashank R Joshi, AC Ammini, Subhankar Chowdhury
SECTION 1: DIABETES AND METABOLIC SYNDROME
CHAPTER 1:
The Diversity of Diabetes
INTRODUCTION
PATHOPHYSIOLOGY
ETHNIC DIFFERENCES
CLINICAL PRESENTATION
COMPLICATIONS
MANAGEMENT
MEDICAL ANTHROPOLOGY
MULTIDISCIPLINARY APPROACH
CONCLUSION
CHAPTER 2:
Diabesity
INTRODUCTION
MAGNITUDE OF THE PROBLEM
PATHOPHYSIOLOGY
ANTHROPOMETRIC INDICES
TREATMENT
Diet and Food-Based Therapies
EXERCISE
BEHAVIORAL THERAPY
PHARMACOTHERAPY
NEWER DRUGS
ANTIDIABETIC DRUGS
BARIATRIC SURGERY
ILEAL TRANSPOSITION
Biliopancreatic Diversion with Duodenal Switch
PEDIATRIC OBESITY
POLYCYSTIC OVARIAN SYNDROME
PREVENTION
CONCLUSION
CHAPTER 3:
Type 1 and Type 2 Diabetes in Young
INTRODUCTION
EPIDEMIOLOGY
DIFFERENTIATING TYPE 1 FROM TYPE 2 DIABETES
LABORATORY TESTING
TYPE 1 AND TYPE 2 DIABETES: INDIAN EXPERIENCE
DIABETIC COMPLICATIONS IN THE YOUNG
TREATMENT OF TYPE 1 DIABETES
MANAGEMENT OF TYPE 2 DIABETES IN CHILDREN AND ADOLESCENTS
CHAPTER 4:
Type 1.5 Diabetes
DEFINITION AND EPIDEMIOLOGY
ETIOPATHOGENESIS
CLINICAL FEATURES
MODALITIES OF DIAGNOSIS
TREATMENT
PROGNOSIS
CONCLUSION
CHAPTER 5:
Gestational Diabetes Mellitus
DEFINITION AND CHARACTERISTICS
PREVALENCE
GLUCOSE REGULATION IN PREGNANCY
Hormonal Effects in Pregnancy
Estrogens and Progesterone
Cortisol
Prolactin and Human Placental Lactogen
Leptin
Tumor Necrosis Factor Alpha
Multifactorial
The Pederson Hypothesis
RATIONALE OF DIAGNOSIS OF GDM
The HAPO Study
Putting HAPO Results to Clinical Practice
DIAGNOSIS OF GDM AND DIABETES IN PREGNANCY
Suggested Methods to Identify Hyperglycemic Disorders in Pregnancy
A Counsel of Perfection?
One-Stage or Two-Stage Testing?
REASSURANCE TO THE PREGNANT WOMAN WITH DYSGLYCEMIA
BIOLOGICAL RATIONALE FOR EUGLYCEMIA IN PREGNANCY
Nutritional Programming
Mechanisms of Nutritional Programming
Epigenetic Mechanisms
Unanswered Questions
MANAGEMENT OF HYPERGLYCEMIA IN GDM
Comprehensive Approach
Glycemic Targets
Dietary Advice
Insulin Therapy
Oral Antidiabetic Drugs
FETAL MONITORING
Monitoring of Vital Signs
Psychosocial Support
OUTCOMES OF GDM
Follow-up of the Women with GDM
CHAPTER 6:
Women's Health and Diabetes
INTRODUCTION
THE RISE OF DIABETES IN WOMEN
MAJOR REASONS FOR OBESITY AND DIABETES IN WOMEN
Diabetes affects Women throughout her Life Span
The Girl Child and the Adolescent Girl
Type 2 Diabetes in Children and Adolescents
Polycystic Ovary Syndrome
Reproductive Years
Prepregnancy Care and Pregnancy Outcomes in Women with Type 1 Diabetes
Pregestational Diabetes Management Principles
Glycemic Control in Pregnancy
Obstetric Care
Postpartum Care: Five Important Aspects of Postpartum Need to be Stressed to the New Mother
Adult Women with Diabetes
Risk Factors for Heart Disease in Women with Diabetes/Glucose Intolerance
Clinical Presentation in Women and Risk Assessment
Management of Vascular Risk in Women: Risk Management is a More Global Approach (Fig. 6.6)
Cerebrovascular Disease and Diabetes
Sexual Health
Menopause and Postmenopausal Health
Hormone Replacement Therapy in Women with Diabetes Mellitus
Osteoporosis and Bone health
Dementia and Cognitive Decline
Psychosocial Aspects of Diabetes
SUMMARY
CHAPTER 7A:
Geriatric Diabetes
INTRODUCTION
DIAGNOSTIC CRITERIA AND GLYCEMIC CONTROL GOALS
HYPOGLYCEMIA: A MAJOR SAFETY ISSUE
CLINICAL EVALUATION
SELECTION OF DRUGS IN PHARMACOLOGICAL INTERVENTION
INSULIN THERAPY IN THE ELDERLY
THERAPEUTIC LIFESTYLE CHANGES AND NUTRITIONAL THERAPY
PHYSICAL ACTIVITY
CONCLUSION
ACKNOWLEDGMENTS
CHAPTER 7B:
Type 3 Diabetes Mellitus
INTRODUCTION
GENETICS UNDERLYING TYPE 3 DIABETES
CLINICAL EVIDENCE SUPPORTING LINK BETWEEN DIABETES AND ALZHEIMER’S DISEASE
OTHER STUDIES SUPPORTING LINK BETWEEN DIABETES AND ALZHEIMER’S DISEASE
POSSIBLE TREATMENT OF TYPE 3 DIABETES
CONTROVERSY OF TYPE 3 DIABETES
CHAPTER 8:
Infections in Diabetes
INFECTIONS IN DIABETES
Respiratory Tract
Tuberculosis
Urinary Tract Infection
Skin and Soft Tissue Infections
OTHER INFECTIONS
Fungal Infections
Hepatitis C virus
Periodontal Disease
INFECTIONS OCCURRINGUNIQUELY IN DIABETICS
Rhino-orbito-cerebral Mucormycosis
Acute Emphysematous Pyelonephritis
Emphysematous Cholecystitis
Malignant Otitis Externa
CHAPTER 9:
HIV and Diabetes
INTRODUCTION
INCIDENCE
Indian Data
CATEGORIZATION OF DIABETES MELLITUS AMONG HIV PATIENTS
ETIOPATHOGENESIS
SCREENING FOR DIABETES
STRATEGIES TO MANAGE HYPERGLYCEMIA
Lifestyle Modification
Treatment of Associated Conditions
Psychosocial Support
Oral Hypoglycemic Agents (OHAs)
Insulin Therapy
Other Injectable Hypoglycemic Drugs
Substitution in HAART
MANAGEMENT OF PRE-EXISTING DIABETES AMONG HIV PATIENTS
MANAGEMENT OF DIABETES DETECTED SIMULTANEOUSLY WITH HIV
MANAGEMENT OF ART-INDUCED DIABETES
CONCLUSION
CHAPTER 10:
Malignancy and Diabetes
INTRODUCTION
DIABETES AND CANCER
COMMON RISK FACTORS FOR BOTH CANCER AND DIABETES
POSSIBLE BIOLOGICAL LINK BETWEEN DIABETES AND CANCER
DIABETES TREATMENT AND CANCER
MANAGING DIABETES INPATIENTS WITH CANCER
CONCLUSION ANDFURTHER RESEARCH
SUMMARY
CHAPTER 11:
Nonpharmacological Management of Diabetes Mellitus
INTRODUCTION
MEDICAL NUTRITIONAL THERAPY
DIET PRESCRIPTION FOR AN INDIVIDUAL PATIENT (FLOWCHART 11.1)
Nutritional Assessment of the Patient
Calculating Basal Metabolic Rate
Calculating Activity Factor
Total Energy Requirements
Calorie Distribution and Macronutrient Distribution
Food Exchange Lists
EVALUATION AND PROGRESS
EFFECTIVENESS OF MNT
GLYCEMIC INDEX OF FOODS
PRACTISING CARBOHYDRATE COUNTING IN DIABETES
Three Levels of CHO Counting
Level 1: This is designed for use by patients with both type 1 and type 2 diabetes and women with gestational diabetes. The key learning points at this level are as follows:
Level 2: This level is useful for all patients who have mastered level 1 skills and desire more advanced skills. The additional components in this group include:
Level 3: This level is designed for patient on intensive insulin therapies including multiple daily injections of insulin and continuous subcutaneous insulin by insulin pump. Normally, these would be patients with type 1 diabetes. The most important additional component in this group includes:
Structured Programs that Include Level 3 CHO Counting Skills
Closed Loop Predictive Modeling
FIBRE INTAKE
ARTIFICIAL SWEETENERS
Reduced Calorie Sweeteners
Non-Nutrient Sweeteners
PHYSICAL ACTIVITY AND EXERCISE
CLINICAL IMPLICATIONS
BENEFITS OF EXERCISE IN PATIENTS WITH DIABETES
PRE-EXERCISE EVALUATION
EXERCISE PRESCRIPTION FOR A PATIENT WITH DIABETES MELLITUS (FLOWCHART 11.2)
Aerobic Exercise
Resistance Exercise
Supervised Training
Flexibility Exercises
POTENTIAL ADVERSE EFFECTS
YOGA IN PATIENTS WITH DIABETES MELLITUS
BEHAVIORAL THERAPY IN PATIENTS WITH DIABETES MELLITUS
Assumptions
Common Components of Behavioral Therapy
SMOKING CESSATION
CONCLUSION
SUGGESTED READING
CHAPTER 12:
Oral Antidiabetic Drugs
SULFONYLUREA
NONSULFONYLUREASECRETAGOGUES
Repaglinide and Nateglinide
PROTEIN- KINASE ACTIVATORS
Biguanides (Metformin)
INSULIN SENSITIZERS
Thiazolidinediones
Pioglitazone
DIPEPTIDYL PEPTIDASE-IVINHIBITORS (FIG. 12.2)
GLUCOSIDASE INHIBITORS
Acarbose, Voglibose and Miglitol
SUMMARY
CHAPTER 13:
Incretin-Based Therapies
INTRODUCTION
HISTORY
THE INCRETIN EFFECT (FIG. 13.1)
THE INCRETIN HORMONES
Secretion of Incretin Hormones
Physiologic Actions of the Incretin Hormones (Table 13.1)
DIPEPTIDYL PEPTIDASE 4
Incretin Hormones in T2DM
INCRETIN-BASED THERAPY
Incretin Mimetics
Exenatide
Liraglutide
GLUCAGON-LIKE PEPTIDE-1RECEPTOR AGONISTS (GLP-1RA)IN DEVELOPMENT (TABLE 13.3)
Exenatide Long-Acting Release
Albiglutide
Taspoglutide
Lixisenatide
Insulin GLP Combinations in Pipeline
INCRETIN ENHANCERS (DPP-4INHIBITORS) (TABLE 13.4)
Sitagliptin
Vildagliptin
Saxagliptin
Linagliptin
EXTRAGLYCEMIC EFFECTS
THE SAFETY OF INCRETIN-BASED THERAPIES
CONCLUSION
CHAPTER 14A:
Insulin Therapy: Pharmacology of Insulin
INTRODUCTION
HISTORY OF INSULIN
PHYSIOLOGY OF INSULIN
MECHANISM OF ACTION OF INSULIN
INSULIN PREPARATIONS
ROUTE OF ADMINISTRATION
CONCLUSION
CHAPTER 14B:
Premixed Insulin
PREMIX INSULIN
INDICATIONS OF PREMIX INSULIN
INSULIN INITIATION WITH PREMIX INSULIN
PREMIX VERSUS BASALBOLUS REGIMEN
DOSE OF PREMIX INSULIN
CONCLUSION
CHAPTER 14C:
Basal Insulin
INTRODUCTION
PATHOPHYSIOLOGIC BASIS OFUSE OF BASAL INSULINS
IDEAL BASAL INSULIN
NPH AND OTHER CONVENTIONALBASAL INSULINS
NEWER BASAL INSULINS
Glargine
Detemir
Degludec
CLINICAL CONSIDERATIONS
BASAL-BASED REGIMENS
ROLE OF BASAL INSULIN INSPECIAL CLINICAL SETTINGS
Children
Pregnancy
Renal Failure
POTENTIAL CARCINOGENIC RISK
FUTURE BASAL INSULINS
CHAPTER 14D:
Intensive Insulin Regimen
CONCERNS OF INTENSIVEINSULIN TREATMENT
Timing of Start of IntensiveInsulin Regimen
Multiple Insulin Injection Regimens: Basal and Prandial Insulin
Insulin Pumps
Multiple Insulin Regimens
Multiple Daily Injections
Use of CSII in Type-1 Diabetes
CHAPTER 14E:
Insulin and GLP1 RA Combinations
INTRODUCTION
RATIONALE FOR COMBINING ANTIDIABETIC DRUG THERAPY
THE RATIONALE OF COMBINING GLP-1 RECEPTOR AGONISTS (GLP-1-RA) AND INSULIN
PROOF OF CONCEPT
This Concept is no Longer in the Realm of the Abstract
EFFECT ON GLYCAEMIC CONTROL
Combining Insulin and GLP 1 RA Is an Alternative
CONCLUSIONS
LEARNING POINTS
CHAPTER 14F:
Smart Insulin and Future Developments
INTRODUCTION
BASIC PRINCIPLE OF SMART INSULIN
Conventional Smart Insulin
Nanotechnology-Based Smart Insulin
PROTEIN BINDING LIGANDS
BULK HYDROGEL MATRIX
PHENYLBORONIC ACID
NANOTECHNOLOGY
NANOMEMBRANES
MICROGEL/NANOGEL (SMART SPONGE)
NANONETWORK
PATENT COVERAGE
FUTURE DEVELOPMENT
CHAPTER 15:
Ethnopharmacy in Diabetes
INTRODUCTION
STATE OF DIABETES CONTROL
IS CONSENSUS GLOBAL?
ETHNOPHARMACY
ETHNIC DIFFERENCES IN TYPE-2 DIABETES IN ASIAN INDIANS
ETHNIC DIFFERENCES IN PATHOPHYSIOLOGY OF DIABETES
ETHNIC DIFFERENCE IN DIABETES THERAPIES
CONCLUSION
CHAPTER 16:
Glycemic Emergencies: Diabetic Ketoacidosis, Hyperosmolar Nonketotic Hyperglycemia, and Hypoglycemia
INTRODUCTION
DIABETIC KETOACIDOSIS
Definition
Etiopathogenesis
Clinical Features
Modalities of Diagnosis
Treatment
Insulin
Potassium
Bicarbonate
Phosphate
Comorbidities/Precipitating Events
Complications
HYPEROSMOLAR NONKETOTIC HYPERGLYCEMIA
Definition
Etiopathogenesis
Clinical Features
Modalities of Diagnosis
Treatment
Complications
HYPOGLYCEMIA
Introduction
Definition
Etiopathogenesis
Clinical Features
Treatment
Prevention
CHAPTER 17:
Glycemic Control in ICU
DEFINITION AND EPIDEMIOLOGY
ETIOPATHOGENESIS
CLINICAL FEATURES
MODALITIES OF DIAGNOSIS
TREATMENT
MONITORING OF BLOOD GLUCOSE
COMPLICATIONS
TRANSITION THERAPY
PROGNOSIS AND PREVENTION
CHAPTER 18:
Hyperglycemia and Acute Coronary Syndrome
INTRODUCTION
NEWLY DETECTED HYPERGLYCEMIA AND ACS
METABOLIC EFFECTS OF HYPERGLYCEMIA
Effect on Myocardial Energy Balance
Effect on Vascular Function
Inflammation and Thrombosis
MANAGEMENT OF HYPERGLYCEMIA
Oral Hypoglycemic Agents
Glucose-Insulin-Potassium Infusion in ACS
Non-GIK Insulin Therapy in ACS
Insulin Administration
Role of Hypoglycemia
Goals of Therapy
Management of Diabetes after ACS
CHAPTER 19:
Diabetes Education
INTRODUCTION
CHAPTER 20:
Imaging of the Pancreas
INTRODUCTION
METHODS OF INVESTIGATION
CONGENITAL AND DEVELOPMENTAL ANOMALIES OF PANCREAS
Annular Pancreas
Pancreatic Divisum
PANCREATITIS
Acute Pancreatitis (Figs. 20.1A to C)
Interventions in Acute Pancreatitis
Chronic Pancreatitis (Figs. 20.2A and B)
Groove Pancreatitis (Figs. 20.3A and B)
NEOPLASMS OF THE PANCREAS
Solid Neoplasms
Cystic Neoplasms
HEREDITARY CONDITIONS INVOLVING THE PANCREAS
OTHER LESIONS OF THE PANCREAS
SUMMARY
ACKNOWLEDGMENT
CHAPTER 21:
Diabetes and Hypertension
INTRODUCTION
PATHOGENESIS OF HYPERTENSION IN DIABETES
INITIAL EVALUATION OF PATIENT WITH HYPERTENSION AND DIABETES
Measurement of BP
Physical Examination
Diagnosis and Investigations
PHARMACOLOGIC METHODS
NONPHARMACOLOGIC METHODS
EVIDENCE FOR TREATING SYSTEMIC HYPERTENSION
CURRENT RECOMMENDATIONS ON GOALS OF TREATMENT
CHOICE OF ANTIHYPERTENSIVES IN DIABETES
CONCLUSION
CHAPTER 22:
Diabetes Mellitus and Lipids
INTRODUCTION
LIPID METABOLISM ABNORMALITIES IN DIABETES
TREATMENT
Diet and Healthy Lifestyle Adherence
Lipid Lowering Therapy
Lipid-Lowering Agents
Niacin
Ezetimibe
Fibrates
Evidence for Benefits of Lipid-Lowering Therapy in Diabetes
Treatment of Other Lipoprotein Fractions or Targets
Adverse Effects of Dyslipidemic Medications
Fibrates
Niacin
CONCLUSION
CHAPTER 23:
Microvascular Complications in Diabetes
PATHOGENESIS OF MICROVASCULAR COMPLICATIONS
DIABETIC NEPHROPATHY
Pathogenesis
Microalbuminuria
TREATMENT OF DIABETIC NEPHROPATHY
Glycemic Control
Blood Pressure Control
Dietary Modification
Other Aspects of Treatment
End-Stage Renal Disease
DIABETIC NEUROPATHY (DN)
Definition
Prevalence
Classification of DN
Pathogenesis
Clinical Features
Diagnosis
MANAGEMENT
Prevention
Symptomatic Treatment
Painful DN
Role of B Vitamins in DN
DIABETIC RETINOPATHY (DR)
Factors in the Pathogenesis of DR
CLASSIFICATION
Nonproliferative Diabetic Retinopathy
Macular Edema
INVESTIGATIONS
MANAGEMENT
CHAPTER 24:
Nonalcoholic Fatty Liver Disease and Diabetes
DEFINITION
CLASSIFICATION
EPIDEMIOLOGY
NAFLD AND DIABETES
PATHOPHYSIOLOGY
Increased Fat Accumulation
Hepatic Inflammation and Injury
CONSEQUENCES OF FATTY LIVER
CLINICAL PRESENTATION
DIAGNOSIS
TREATMENT
CONCLUSION
SUGGESTED READING
CHAPTER 25:
Musculoskeletal Effects of Diabetes Mellitus
INTRODUCTION
BONE EFFECTS OF DIABETES: BONE DENSITY AND FRACTURE RISK
MUSCLE EFFECTS OF DIABETES
DIABETIC MYONECROSIS
DIABETIC AMYOTROPHY
JOINT AND CONNECTIVE TISSUE EFFECTS OF DIABETES
ADHESIVE CAPSULITIS OF THE SHOULDER (FROZEN SHOULDER SYNDROME, SHOULDER PERIARTHRITIS)
LIMITED JOINT MOBILITY (DIABETIC CHEIROARTHROPATHY)
DUPUYTREN’S CONTRACTURE
STENOSING FLEXOR TENOSYNOVITIS (TRIGGER FINGER)
CALCIFIC SHOULDER PERIARTHRITIS (TENDINITIS)
Carpal Tunnel Syndrome
DIFFUSE IDIOPATHIC SKELETAL HYPEROSTOSIS, FORESTIER’S DISEASE
CRYSTAL-INDUCED ARTHRITIS
OSTEOARTHRITIS
DIABETIC FOOT
CHAPTER 26:
Oral Complications of Diabetes Mellitus
INTRODUCTION
GINGIVAL AND PERIODONTAL DISEASES
Gingival and Periodontal Diseases as a Complication of Diabetes Mellitus
PATHOPHYSIOLOGY
EFFECT OF PERIODONTAL DISEASES ON DIABETES MELLITUS
EFFECT OF PERIODONTAL TREATMENT ON GLYCEMIC CONTROL
OTHER ORAL COMPLICATIONS OF DIABETES MELLITUS
MANAGEMENT
CONCLUSION
ACKNOWLEDGMENTS
CHAPTER 27:
Diabetes and Psychology
INTRODUCTION
RELEVANCE OF PSYCHOLOGICALISSUES IN ETIOPATHOGENESIS OF DIABETES
Psychological FactorsAssociated with Diabetes
Psychological Instruments to Assess Stress and Adjustment in Diabetes
Protective Factors
Psychological Reactions Following the Diagnosis of Diabetes
Pathogenetic Pathways
Adaptation to Diabetes
RELEVANCE OF PSYCHOLOGICALISSUES IN MANAGEMENT OFDIABETES
Psychoeducation
Coping in Diabetes
Locus of Control
Behavioral Interventions
Role of Family
Motivational Interviewing
Self-Management in Diabetes
Treatment Adherence
CHAPTER 28:
Diabetes and Psychiatry
PREVALENCE OF CO-OCCURRENCE OF DIABETES AND PSYCHIATRIC DISORDERS
PATTERNS OF CO-OCCURRENCE OF DIABETES AND PSYCHIATRIC DISORDERS
Delirium
Substance Abuse: Tobacco
Substance Abuse: Alcohol
Mood Disorders (Box 28.5)
Anxiety Disorders (Box 28.6)
Schizophrenia and Other Psychotic Disorders
Psychotropic Medications and Risk of Diabetes
IMPLICATIONS OF CO-OCCURRENCE OF DIABETES AND PSYCHIATRIC DISORDERS
DIAGNOSING PSYCHIATRIC DISORDERS AMONG PATIENTS WITH DIABETES
ACKNOWLEDGMENT
CHAPTER 29:
Modern Biology and Diabetes
BACKGROUND
HUMAN GENOME PROJECT AND ENSUING GENOMIC REVOLUTION
MODERN BIOLOGY AND TYPE 2 DIABETES
Pre-Genome Wide Association Studies Era
Candidate Gene Studies
Genome-Wide Linkage Studies
Genome-Wide Association Studies
Quantitative Metabolic Trait Studies
Indian Studies on T2D
MODERN BIOLOGY AND MONOGENIC DIABETES
MODERN BIOLOGY AND TYPE 1 DIABETES
EPIGENETICS AND DIABETES
MICROBIOTA AND DIABETES
Personalized Medicine
Lessons from Modern Biology of Diabetes
FUTURE RESEARCH
CHAPTER 30:
Telemedicine in Diabetes Mellitus
INTRODUCTION
TELEMEDICINE AND DIABETES
EARLY TELEMEDICINE INTERVENTIONS
NEWER TELEMEDICINE INTERVENTIONS
Basis of the Clinic and the Research Project
SETTING UP A DIABETES TELEMEDICINE CLINIC
LIMITATIONS OF THE DIABETES TELEMEDICINE CLINIC
PROJECT ECHO AND VA SCAN
ADAPTING THE CONCEPT TO INDIAN CONTEXT
CONCLUSION
CHAPTER 31A:
Nontraditional Association of Insulin and Diabetes with Other Conditions
INTRODUCTION
THYROID AND DIABETES
INTERACTION OF BONE-RELATED OSTEOCALCIN WITH GLUCOSE AND LIPID METABOLISM
Leptin, Energy, and Bone Metabolism
Osteocalcin
Other Associations
SLEEP, OBESITY, AND DIABETES
LEPTIN AS AN ANTIDEPRESSANT
IRON METABOLISM, ANEMIA, AND DIABETES
NONTRADITIONAL BENEFITS OF EXERCISE
Physical Exercise and Cognition
Physical Activity Prevents Cancer
LIPID MODULATION BY LESSER- KNOWN PROTEINS
EXTRAGLYCEMIC EFFECTS OF INCRETINS
PLANT INSULIN
MORE INSULIN, DENSE BONES BUT MORE FRACTURES IN TYPE 2 DIABETES
INSULIN NOT FOR GLUCOSE, BUT FOR COGNITION
CONCLUSION
CHAPTER 31B:
Vitamin D and Diabetes Emerging Links
INTRODUCTION
VITAMIN D DEFICIENCY
VITAMIN D SYNTHESIS AND METABOLISM
VITAMIN D AND TYPE 1 DIABETES
VITAMIN D AND TYPE 2 DIABETES
VITAMIN D TREATMENT STRATEGIES
CONCLUSION
CHAPTER 31C:
Testosterone and Diabetes Emerging Links
INTRODUCTION
Androgen Deficiency and the Link to Type 2 Diabetes Mellitus (T2DM) and Insulin Resistance (IR)
Androgen Deprivation Therapy (ADT) and the Link to T2DM and IR
Androgen Therapy and the Link to T2DM and IR
PATHOGENESIS
CONCLUSION
CHAPTER 32:
Foot Complications in Diabetes
INTRODUCTION
EPIDEMIOLOGY OFDIABETIC FOOT ULCER
RISK FACTORS FOR ULCERATIONS
Peripheral Neuropathy
Peripheral Vascular Disease
Soft Tissue and Bone Deformity
INFECTIONS
PATHOPHYSIOLOGY
PREVENTION
FOOT HYGIENE
SHOES
PROBLEMS TO REPORT DOCTOR
ASSESSMENT
BIOTHESIOMETER THE CALIBRATED VIBRATION THRESHOLD (VPT) METER
ANKLE BRACHIAL INDEX
WOUND EVALUATION
INFECTION
MANAGEMENT
TREATMENT OF SUPERFICIAL UNCOMPLICATED ULCERS AND INFECTIONS
TREATMENT OF LIMB-THREATENING INFECTIONS
CONCLUSION
CHAPTER 33:
Metabolic Syndrome and the Gut Flora
INTRODUCTION
BACTERIAL CELLS OUTNUMBER HUMAN CELLS
MICROBIOTA, OBESITY, AND METABOLIC SYNDROME
RANGE AND VARIETY OF THE GUT MICROBIOTA
IDENTIFICATION OF MICROBIOTA
ORIGIN AND SELECTION OF MICROBIAL SPECIES
FUNCTIONS OF NORMAL GUT MICROBIOTA
CROSS-TALK BETWEEN MICROBIOTA AND HOST ORGANISM
GUT MICROBIOTA AND BODY WEIGHT
Animal Studies
Human Studies
Gut Microbiota and Type 2 Diabetes Mellitus
TRANSLATION INTO PRACTICE
Probiotics and Prebiotics
MECHANISM OF BENEFICIAL EFFECTS
FECAL TRANSPLANTATION
Studies in Humans
CHALLENGES AND LIMITATIONS
CHAPTER 34:
Sleep Circadian Rhythms and Diabetes
INTRODUCTION
THE RELATIONSHIP BETWEEN SLEEP AND ENERGY HOMEOSTASIS
CIRCADIAN DISRUPTION
CIRCADIAN MISALIGNMENT
INSUFFICIENT SLEEP
FRAGMENTED SLEEP
OBSTRUCTIVE SLEEP APNEA
SLEEP DISTURBANCES AND GESTATIONAL DIABETES
CONCLUSION
CHAPTER 35:
The HbA1c Assay: A Critical Appraisal
INTRODUCTION
NATIONAL GLYCOHEMOGLOBIN STANDARDIZATION PROGRAM (NGSP): HOW IT WORKS?
IFCC Standardization and Traceability
ANALYTICAL CONSIDERATIONS
Assay Methods
Sample Collection, Handling, and Storage
The ADAG Story: Link Between HbA1c Values versus Capillary Blood Glucose Values
CONCLUSION
CHAPTER 36:
Online Risk Engines in Diabetes
INTRODUCTION
FRAMINGHAM RISK SCORE
UK PROSPECTIVE DIABETES STUDY (UKPDS) RISK ENGINE
NONALCOHOLIC FATTY LIVER DISEASE (NAFLD) SCORE
RESULT
ESTIMATED GLOMERULAR FILTRATION RATE (EGFR ) CALCULATOR
LIMITATIONS
DIABETES RISK SCORE
DIAREM SCORE
CONCLUSIONS
ACKNOWLEDGMENT
SECTION 2: THYROID
CHAPTER 37:
Thyroid—Anatomy, Physiology, and Thyroid Function Tests
INTRODUCTION
ANATOMY
DEVELOPMENT
ANATOMICAL VARIANTS AND ECTOPIC THYROID
PHYSIOLOGY
IODINE
THYROID FUNCTION TEST
ESTIMATION OF HORMONES
Immunoassays
Mass Spectrometry
TOTAL HORMONES
FREE HORMONES
Index Methods
Free Hormone Estimation Based on TBG Measurements
Indirect Methods
Two-step immunoassays
ANALOGUE (ONE STEP) IMMUNOASSAY
LABELLED ANTIBODY APPROACH
AUTOMATED ASSAYS
TSH
REVERSE T3
PHYSIOLOGICAL STATES AND THYROID PREGNANCY
CHILDHOOD
DRUG AND THYROID FUNCTIONS
Thyroglobulin
ANTIBODIES
TSH RECEPTOR ANTIBODIES
THYROID PEROXIDASE ANTIBODY
THYROGLOBULIN ANTIBODY
THYROID SCINTIGRAPHY
IODINE SCAN
Technetium Pertechnetate Scan
SPECIALIZED TESTS
Perchlorate Discharge Test
POSITRON EMISSION TOMOGRAPHY SCAN (18FLUORO-DEOXYGLUCOSE)
ULTRASOUND OF THYROID
Elastography
Tests of Historical Interest
SUMMARY
CHAPTER 38:
Iodine Metabolism andThyroid Disorder
INTRODUCTION
IODINE METABOLISM
Absorption of Iodine
IODINE TRANSPORT IN THYROID AND SYNTHESIS OF THYROID HORMONES
ADAPTATION OF THYROID TO DIFFERENT LEVELS OF IODINE INTAKE
THYROID DISORDERS
Effect of Iodine Deficiency
Effect of Excess Iodine
CHAPTER 39:
Hypothyroidism
INTRODUCTION
EPIDEMIOLOGY
CLINICAL PRESENTATION
GENERAL APPEARANCE
MUSCULOSKELETON SYSTEM MANIFESTATION
GI SYSTEM MANIFESTATIONS
REPRODUCTIVE SYSTEM MANIFESTATIONS
HEMATOPOEITIC SYSTEM MANIFESTATIONS
NERVOUS SYSTEM MANIFESTATIONS
CARDIOVASCULAR SYSTEM MANIFESTATIONS
RESPIRATORY SYSTEM MANIFESTATIONS
PITUARY AND ADRENOCORTICAL FUNCTION
DIAGNOSIS
History and Examination
Laboratory
SCREENING FOR HYPOTHYROIDISM
SCREENIG TEST
TREATMENT
Initiation of Therapy
Monitoring of Therapy
Response to Treatment
Treatment Failure
Treatment of Central Hypothyroidism
Pregnancy
Adverse Effects of Thyroxin Therapy
Myxedema Coma
CONCLUSION
CHAPTER 40:
Thyrotoxicosis
ETIOLOGY OF THYROTOXICOSIS
PATHOGENESIS OF THYROTOXICOSIS
CLINICAL FEATURES OF THYROTOXICOSIS
LABORATORY DIAGNOSIS
OTHER LABORATORY ABNORMALITIES IN THYROTOXICOSIS
IMAGING
NUCLEAR MEDICINE SCANNING
Thyroid Ultrasonography in the Evaluation of Hyperthyroidism
TREATMENT OF THYROTOXICOSIS
BETA-ADRENERGIC BLOCKING DRUGS
OTHER MEDICATIONS USED FOR THYROTOXICOSIS
MANAGEMENT STRATEGIES FOR DISORDERS CAUSING THYROTOXICOSIS
TMNG AND SOLITARY TOXIC ADENOMA
THYROTOXICOSIS DUE TO THYROIDITIS
AMIODARONE INDUCED THYROTOXICOSIS
CHAPTER 41:
Subclinical Thyroid Disorders
SUBCLINICAL HYPOTHYROIDISM
Definition
TSH Reference Range
Etiology
Epidemiology
Evaluation
CLINICAL IMPLICATIONS
Cardiac Effects
Lipid Profile
Systemic Symptoms
Others
Pregnancy
TREATMENT
SUBCLINICAL HYPOTHYROIDISM IN CHILDHOOD6
Etiology and Course
Evaluation and Management
SUBCLINICAL HYPERTHYROIDISM
Definition
Etiology
Epidemiology
Evaluation
CLINICAL IMPLICATIONS
Cardiac Effects8,9
Skeletal Effects10
Others
TREATMENT
Exogenous Subclinical Hyperthyroidism
Endogenous Subclinical Hyperthyroidism
SCREENING
KEY POINTS
CHAPTER 42:
Euthyroid Goiter and Thyroid Nodules
INTRODUCTION
ETIOLOGY
CLINICAL EVALUATION
INVESTIGATIONS
Management: General Considerations
Nonsurgical Management of Thyroid Nodules
Follow-Up of a Benign Thyroid Nodule
Thyroid Incidentalomas
Cystic Thyroid Lesions
Newer Advances in Diagnosis and Therapy
CONCLUSION
CHAPTER 43:
Thyroiditis
OVERVIEW
PATHOGENESIS
CLASSIFICATION
PAINFUL THYROIDITIS
Subacute Thyroiditis
Infectious Thyroiditis
Radiation Thyroiditis
Trauma-Induced Thyroiditis
Hashimoto’s Thyroiditis
PAINLESS THYROIDITIS
Painless Thyroiditis
Postpartum Thyroiditis
Drug-Induced Thyroiditis
Alemtuzumab
Etanercept
Interferon-α
Interleukin-2
Denileukin Diftitox
Amiodarone
Lithium
Kinase Inhibitors
Fibrous Thyroiditis
Hashimoto’s Thyroiditis
CONCLUSION
CHAPTER 44:
Carcinoma of the Thyroid
PRIMARY EPITHELIAL TUMORS (ORIGINATING IN THE FOLLICULAR EPITHELIUM)
DIFFERENTIATED THYROID CARCINOMA (DTC)
Papillary Carcinoma of Thyroid (PTC)
Follicular Thyroid Carcinoma (FTC)
Molecular Pathogenesis
Environmental Factors
PRESENTATION
FINE-NEEDLE ASPIRATION CYTOLOGY
TREATMENT
STAGING AND PROGNOSIS OF DIFFERENTIATED THYROID CANCER
RISK ASSESSMENT
FOLLOW-UP
Scan Negative Tg-Positive Patients
LONG-TERM FOLLOW-UP
Outcome
TREATMENT OF METASTASIS
Targeted Chemotherapy or Tyrosine Kinase Inhibitors
Cytotoxic Chemotherapy
ANAPLASTIC CARCINOMA
ETIOPATHOGENESIS AND MOLECULAR PATHOLOGY
CLINICAL PRESENTATION
SURGERY
EXTERNAL BEAM RADIOTHERAPY AND OTHER MODES
CHEMOTHERAPY
MULTIMODALITY THERAPY
Medullary Carcinoma of Thyroid
CLINICAL PRESENTATION
SPORADIC MTC
HEREDITARY MTC
MOLECULAR PATHOGENESIS
DIAGNOSIS OF MTC
CLASSIFICATION
TREATMENT
HEREDITARY MTC—SURGICAL OPTIONS
CHAPTER 45:
Thyroid Disease During Pregnancy
INTRODUCTION
THYROID PHYSIOLOGY DURING PREGNANCY
THYROID FUNCTION TEST DURING PREGNANCY
TRIMESTER-SPECIFIC TSH
IMMUNE SYSTEM IN PREGNANCY
IODINE NUTRITION AND PREGNANCY
HYPOTHYROIDISM
Thyroid Antibody Positivity and Conversion to Hypothyroidism
Whom to Screen?
Consequences of Hypothyroidism on Pregnancy
Subclinical HypothyroidismMaternal and Fetal Impact
Significance of TPO Antibody
Signs and Symptoms of Hypothyroidism
INVESTIGATIONS (FLOWCHART 45.1)
TREATMENT OF HYPOTHYROIDISM
HYPERTHYROIDISM DURING PREGNANCY (FLOWCHART 45.2)
CLINICAL FEATURES
EVALUATION OF HYPERTHYROIDISM
HYPEREMESIS GRAVIDARUM
OTHER HYPERTHYROID CONDITIONS
CONSEQUENCES OF HYPERTHYROIDISM ON PREGNANCY
TREATMENT
THYROID STORM AND PREGNANCY
THYROID NODULE AND PREGNANCY
TREATMENT OF THYROID NODULES DURING PREGNANCY
THYROID CANCER DURING PREGNANCY
CONCLUSION
CHAPTER 46:
Thyroid Disorders in Children
INTRODUCTION
EPIDEMIOLOGY AND PREVALENCE OF HYPOTHYROIDISM
THYROID EMBRYOGENESIS AND PHYSIOLOGY OF THYROID HORMONES IN THE NEW-BORN
SCREENING FOR NEONATAL HYPOTHYROIDISM
Diagnostic Evaluation
CONGENITAL HYPOTHYROIDISM
Thyroid Dysgenesis
Dyshormonogenesis
Iodine Deficiency
Hypothalamic/Pituitary Dysfunction
CLINICAL MANIFESTATIONS: HYPOTHYROIDISM IN NEWBORNS AND INFANTS
DIAGNOSTIC EVALUATION AND TREATMENT OF CH
JUVENILE OR ACQUIRED HYPOTHYROIDISM
AUTOIMMUNE THYROID DISEASE (AIT/AITD)
Resistance to Thyroid Hormone Action
Endemic Iodine Deficiency
Hypothalamic/Pituitary Dysfunction
Miscellaneous
CLINICAL MANIFESTATIONS—JUVENILE HYPOTHYROIDISM
DIAGNOSTIC EVALUATION
Management and Follow-Up
PROGNOSIS AND OUTCOME
GOITER (THYROMEGALY)
PATHOPHYSIOLOGY AND ETIOLOGY
CLINICAL AND INVESTIGATIVE EVALUATION
MANAGEMENT
ACUTE AND SUBACUTE THYROIDITIS
Thyrotoxicosis
Graves’ Disease
Nodules and Cancer
CHAPTER 47A:
Special Situations in Thyroidology
INTRODUCTION AND DEFINITION
WHY ARE THYROID HORMONES SUPPRESSED IN NTIS?
Reverse T3
Low-Serum T4
THE MECHANISMS OF REDUCTION IN TOTAL SERUM T4 COULD BE
FREE THYROID HORMONES
SERUM TSH
OTHER FACTORS IMPLICATED IN NTIS
ARE PATIENTS WITH NTIS CLINICALLY HYPOTHYROID?
SHOULD ALL CRITICAL PATIENTS HAVE THEIR THYROID HORMONES ASSAYED?
SHOULD TREATMENT BE CONSIDERED IN ALL CRITICALLY PATIENTS?
THYROID STORM
Definition
Precipitating Factors
Clinical Features
Investigations
Treatment
Prognosis
MYXEDEMA COMA
Precipitating Factors
Clinical Features
Investigations
Treatment
EPIDEMIOLOGY
PATHOGENESIS
CLINICAL PRESENTATION
EVALUATION AND CLASSIFICATION
MEDICAL MANAGEMENT
Treatment of Mild TED
Moderate to Severe TED
Sight Threatening TED
CONCLUSION
CHAPTER 47B:
Drugs and Thyroid
INTRODUCTION
EPIDEMIOLOGY
MECHANISM OF ACTION
TSH SUPPRESSION
THYROID HORMONE SECRETION
TBG CONCENTRATION
BINDING TO TBG
METABOLISM OF THYROID HORMONES
AUTOIMMUNITY
EFFECT OF DRUGS ON LEVOTHYROXINE
Absorption
Thyroid
CONCLUSION
CHAPTER 47C:
Thyroid and Bone
INTRODUCTION
BONE MINERAL HOMEOSTASIS
PHYSIOLOGY OF BONE MODELING AND REMODELING
INFLUENCE OF THYROID HORMONE ON SKELETAL GROWTH AND MATURATION
EFFECT OF THYROID HORMONE ON MINERAL METABOLISM
EFFECT OF THYROID HORMONE ON SKELETAL METABOLISM
BONE MINERAL DENSITY IN THYROID DISORDERS AND FRACTURE RISK
FUTURE DIRECTIONS AND ROLE OF THYROMIMETICS
CONCLUSION
CHAPTER 47D:
Ultrasonography in Thyroid Diseases
ULTRASOUND IMAGING OF THE THYROID
PRINCIPLES OF ULTRASOUND IMAGING
TERMINOLOGIES USED IN REPORTING IMAGES
NORMAL THYROID GLAND
USES OF ULTRASOUND IMAGING
FETAL THYROID EVALUATION
EVALUATION OF CONGENITAL DISORDERS
ASSESSMENT OF THYROID VOLUME
DETERMINATION OF MORPHOLOGY
Autoimmune Thyroiditis
Subacute Thyroiditis
Nodular Changes
Nodules—Benign and Malignant Features
Cystic Nodules
Malignant Nodules
Distinguishing Benign from Malignant Nodules—Newer Modalities
Ultrasound-Guided FNAC and Injection
Follow-Up Evaluation of Growth of Nodule
Postsurgical Evaluation
Follow-Up of Thyroid Carcinoma
CHAPTER 47E:
Fine-Needle Aspiration Cytology in Thyroid Diseases
INDICATIONS
TECHNIQUE
ULTRASOUND-GUIDED FNAC (US-FNA)
REPORTING TERMINOLOGY
ADEQUACY ASSESSMENT
DIAGNOSTIC ACCURACY
MAJOR LIMITATIONS
ANCILLARY TESTS
Immunocytochemistry
Molecular Testing
CHAPTER 47F:
Resistance to Thyroid Hormones
INTRODUCTION
CLINICAL FEATURES
DIFFERENTIAL DIAGNOSIS
MOLECULAR GENETICS
MANAGEMENT
CHAPTER 47G:
Environmental Disruptors and Thyroid
INTRODUCTION
THYROID HOMEOSTASIS DISRUPTION DURING HUMAN LIFE
ENDOCRINE DISRUPTOR CHEMICALS
Polychlorinated Biphenyls
Polychlorinated Biphenyls (PCBs) in India
Tetrabromobisphenol A
The Extent of TBBPA in India
EDC AS COMPETITORS TO IODINE UPTAKE/THYROID HORMONE METABOLISM
Perchlorate
Thiocyanate as Goitrogen
NHANES Assessment of Combined Effects of Perchlorate and Thiocyanate Exposure
Thiocyanates in India
SECTION 3: PITUITARY
CHAPTER 48:
Pituitary Function Tests
PITUITARY FUNCTION TESTS
Anterior Pituitary
Thyrotropin
Corticotropin
Insulin Tolerance Test
Cushing’s Syndrome
Growth Hormone Deficiency
Serum IGF-1
Clonidine Stimulation Test
Insulin-induced Hypoglycemia
Glucagon Test
L-dopa-propranolol Test
Growth Hormone Releasing Hormone Test
Growth Hormone Suppression
Gonadotropins
Posterior Pituitary
CHAPTER 49:
Disorders of Prolactin Excess
INTRODUCTION
EPIDEMIOLOGY
CAUSES OF HYPERPROLACTINEMIA
DRUG-INDUCED HYPERPROLACTINEMIA
PROLACTINOMA
PATHOGENESIS
CLINICAL FEATURES
DIAGNOSIS
MANAGEMENT
MEDICAL TREATMENT OF PROLACTINOMA
SURGICAL TREATMENT OF PROLACTINOMAS
RADIOTHERAPY
FOLLOW-UP
SPECIAL SITUATIONS
Pregnancy and Prolactinoma
MALIGNANT PROLACTINOMA
SUGGESTED READING
CHAPTER 50:
Disorders of ACTH Excess
ESTABLISHING THE HYPERCORTISOLIC STATE
Midnight Serum Cortisol and Plasma ACTH
Nighttime Salivary Cortisol
24 Hour Urinary Free Cortisol
SUPPRESSION TESTS
Overnight 1-mg-Dexamethasone Suppression Test
LDD Suppression Test
Combined Low-Dose Dexamethasone and CRH Test (Dexa-CRH Test)
INVESTIGATING THE CAUSE OF CUSHING’S SYNDROME
Adrenocorticotropic Hormone Measurement
High-Dose Dexamethasone Suppression Test
CRH Stimulation Test
The Desmopressin Test
IMAGING
Bilateral IPSS
TREATMENT
MEDICAL MANAGEMENT
TRANSSPHENOIDAL PITUITARY SURGERY
RADIATION THERAPY
BILATERAL ADRENALECTOMY AND NELSON’S SYNDROME
CORTICOTROPH PITUITARY CARCINOMA
MORTALITY AND MORBIDITY
CHAPTER 51:
Disorders of Growth Hormone Excess
DISORDERS OF GROWTH HORMONE EXCESS
EPIDEMIOLOGY
ETIOLOGY
CLINICAL FEATURES
CLINICAL PRESENTATION IN INDIANS
DIAGNOSIS
RADIOGRAPHIC CHANGES
MANAGEMENT
RADIOTHERAPY
MEDICAL THERAPY
CHOICE OF THERAPY
PROGNOSIS
CANCER RISK IN ACROMEGALY
POST-TREATMENT FOLLOW-UP
CHAPTER 52:
Nonfunctioning Sellar-Suprasellar Masses
INTRODUCTION
ANATOMY
CLASSIFICATION (TABLE 52.1)
Clinical Presentation
Incidental Imaging Findings
Management
Nonfunctioning Pituitary Adenoma(NFPA)
Craniopharyngioma
Rathke’s Cleft Cyst
Germinomas
Metastases
Meningioma
Chordoma
Pituitary Abscess
Pituicytomas
Pituitary Hyperplasia
Lymphocytic Hypophysitis
Management
Medical Management
Surgery
Radiotherapy
CONCLUSION
CHAPTER 53:
Posterior Pituitary and Disorders of Water Homeostasis
INTRODUCTION
HISTORY
NEUROANATOMY
NEUROPHYSIOLOGY
Control of Secretion
Neurotransmitters
Osmoregulation
Baroregulation
Other Regulatory Mechanisms
Biological Action of Arginine Vasopressin (Table 53.1)
Renal Effects
Cardiovascular Effects
Effects on the Pituitary
Distribution and Clearance of AVP
Thirst and AVP
DIABETES INSIPIDUS (DI)
Definition and Classification
Hypothalamic DI (HDI)
Etiology
Nephrogenic DI (NDI)
Gestational DI(GDI)
Dipsogenic DI(DDI)
Differential Diagnosis
TREATMENT
HDI
NDI
DDI
GDI
SYNDROME OF INAPPROPRIATE ANTIDIURESIS (SIAD)
Background
Pathophysiology
Etiology
Diagnosis
Cerebral Salt Wasting (CSW)
TREATMENT
NEWER DEVELOPMENTS IN WATER HOMEOSTASIS
Vasopressin Receptor Antagonists—Vaptans (Aquaretics)
HYPODIPSIA
Definition and Clinical Characteristics
Etiopathology
Treatment
CHAPTER 54:
Hypopituitarism
INTRODUCTION
EPIDEMIOLOGY OF HYPOPITUITARISM
ETIOLOGY OF HYPOPITUITARISM
ETIOLOGICAL PROFILE IN INDIA
Clinical Features
Diagnostic Evaluation
MANAGEMENT OF HYPOPITUITARISM
REFERENCES
CHAPTER 55:
Hypothalamus and Hypothalamic Disorders
HYPOTHALAMUS AND HYPOTHALAMIC DISORDERS
ANATOMY AND DEVELOPMENT OF THE HYPOTHALAMUS
Gross Anatomy
Embryologic Anatomy
PHYSIOLOGY-ENDOCRINE ROLE OF HYPOTHALAMUS AND ITS PHYSIOLOGICAL REGULATION
THE ENDOCRINE ROLE OF HYPOTHALAMUS
Classification and Etiology of Hypothalamic Disorders
Hypothalamic Hormone Deficiency
Craniopharyngioma
Hypothalamic Hormone Hypersecretion
Neurogenic Precocious Puberty
Neurogenic Hypersecretion of Growth Hormone
Diencephalic Syndrome
Growth Hormone Hypersecretion Associated with Metabolic Disturbances
Neurogenic Disorders of Corticotropin Regulation
CHAPTER 56:
Surgery for Pituitary Adenomas
INTRODUCTION
Preoperative Visual Field and Hormonal Evaluation
Radiological Evaluation
TRANS-SPHENOIDAL SURGERY
Endoscopic Trans-sphenoidal Surgery
Expanded Endoscopic Trans-sphenoidal Surgery
Microscopic versus Endoscopic Pituitary Surgery
OUTCOME AFTER TRANS-SPHENOIDAL PITUITARY SURGERY
Visual
Hormonal Outcomes
Atypical Pituitary Adenomas
Outcomes in Functional Pituitary Adenomas
Growth Hormone Secreting Tumors
Cushing’s Disease
Complications of Trans-sphenoidal Surgery (Table 56.2)
Postoperative Tumor Bed Hematoma
Delayed Hyponatremia
Transcranial Pituitary Surgery (Table 56.3)
Hemorrhagic Pituitary Adenomas
CHAPTER 57:
Pituitary Incidentalomas
INTRODUCTION
RADIOGRAPHIC ANATOMY
IMAGING MODALITIES
CLASSIFICATION
RADIOLOGICAL ARTIFACTS
MRI Artifacts
VOLUMETRIC CHANGE
Sex Hormone Dependent
Physiologic Hypertrophy of Adolescence
Precocious Puberty
Pregnancy
Neonatal
Primary Hypothyroidism
Endogenous Depression
NONPITUITARY ANATOMICAL ANOMALIES
Primary Empty Sella Syndrome
Sellar Spine
Intrasellar Trigeminal Artery
TRUE PATHOLOGICAL ALTERATIONS
Pituitary Microadenomas
Pituitary Macroadenoma
RATHKE'S CLEFT CYST
METASTASES
TUBERCULOSIS
POSTOPERATIVE PSEUDOTUMOR
CONCLUSION
CHAPTER 58:
Imaging of Pituitary
INTRODUCTION
IMAGING MODALITIES
NORMAL RADIOGRAPHIC ANATOMY
INDICATIONS FOR IMAGING THE PITUITARY GLAND
HYPERFUNCTIONING GLAND
HYPOPITUITARISM
SELLAR, SUPRASELLAR, AND HYPOTHALAMIC TUMOURS THAT CAN CAUSE HYPOPITUITARISM
INFILTRATIVE CAUSES OF HYPOPITUITARISM
NONTUMORAL HYPOPITUITARISM
Empty Sella
Pituitary Apoplexy
CONGENITAL HYPOPITUITARISM
Pallister-Hall Syndrome
Septo-Optic Dysplasia
Kallmann Syndrome
DIABETES INSIPIDUS
SUMMARY
REFERENCES
CHAPTER 59:
Radiotherapy of the Pituitary
INTRODUCTION
MANAGEMENT
RADIATION THERAPY
External Beam
Radiotherapy Techniques
Conventional Radiotherapy3,5
High Precision Radiotherapy3,5
SRS6,7
Intensity Modulated Radiation Therapy (IMRT)
Patient Immobilization
Techniques for Immobilization
Accurate Tumour Localization
Target Volume Delineation
Organs at Risk Delineation
Computerized Planning, Dose Distribution and Calculation
Dose
Complications
Hypopituitarism
Loss of Vision
Carcinogenesis
Radiation Necrosis
Crebral Infarction
OUTCOME
CHAPTER 60:
Multiple Endocrine Neoplasia Type 1
NATURAL HISTORY
Pathogenesis
Diagnosis
Primary Hyperparathyroidism
Pancreatic Endocrine Tumors
Pituitary Tumors
Treatment
Primary Hyperparathyroidism (PHPT)
Pancreatic Neuroendocrine Tumors (PNETs)
Pituitary Tumors
Treatment of Associated Tumors
Carcinoid Tumors
Adrenal Tumors
CNS Tumors
Thyroid Tumors
Cutaneous Tumors
Screening of Relatives
Genetic Testing
SECTION 4: ADRENALS
CHAPTER 61:
Adrenal Gland: Anatomy and Physiology
INTRODUCTION
EMBRYOLOGY
BIOSYNTHESIS OF ADRENAL STEROIDS
MINERALOCORTICOIDS
GLUCOCORTICOIDS
ADRENAL ANDROGENS
ADRENAL MEDULLA
CHAPTER 62A:
Cushing Syndrome: Symptomatology and Diagnostic Strategies
INTRODUCTION
CLINICAL FEATURES
DIAGNOSIS
Testing in Special Situations
CHAPTER 62B:
Treatment and Follow-Up Strategies in Cushing’s Syndrome
INTRODUCTION
TRANSSPHENOIDAL PITUITARY RESECTION: PRIMARY THERAPY
SURGICAL APPROACH
SURGICAL OUTCOMES-REMISSION CRITERIA
EVALUATION FOR DISEASE RECURRENCE/PERSISTENCE
PITUITARY SURGERY FOR PERSISTENT OR RECURRENT DISEASE
PITUITARY RADIOTHERAPY (RT) FOR PERSISTENT OR RECURRENT DISEASE
MEDICAL MANAGEMENT
BILATERAL ADRENALECTOMY
ECTOPIC ACTH SYNDROME
ACTH-INDEPENDENT CUSHING’S SYNDROME
CONCLUSION
CHAPTER 63:
Primary Adrenal Insufficiency
INTRODUCTION
HISTORY
ETIOLOGY
CLINICAL FEATURES
DIAGNOSIS
ROUTINE LABORATORY INVESTIGATIONS
BASAL CORTISOL AND ACTH SAMPLE
ACTH STIMULATION TEST OR SHORT SYNACTHEN TEST (SST)
PROLONGED ACTH STIMULATION TEST
IMMUNOLOGY
MINERALOCORTICOID STATUS
ADRENAL IMAGING
TREATMENT
Acute Adrenal Crisis
LONG TERM THERAPY OF PRIMARY ADRENAL INSUFFICIENCY
Patient Education
GLUCOCORTICOID REPLACEMENT
MINERALOCORTICOID REPLACEMENT
DHEA REPLACEMENT
CHAPTER 64:
Management of Adults with Congenital Adrenal Hyperplasia
INTRODUCTION
AIMS OF TREATMENT IN ADULT CAH
PATHOPHYSIOLOGY
NEWER CLASSIFICATIONS OF ADULT CAH
Clinical Classification
Genotype Classification Based on Residual 21-Hydroxylase Activity
STEROID REPLACEMENT AND MONITORING
Glucocorticoids Replacement
Type and Dose of Steroids
Reverse Circadian Rhythm
GC Infusions
Mineralocorticoid Replacement
Biochemical Monitoring
TREATMENT OF ANDROGEN EXCESS
INFERTILITY
ANTENATAL MANAGEMENT
ADRENAL TUMORS
TARTS
METABOLIC PROFILE
BONE HEALTH
QUALITY OF LIFE
MANAGEMENT OF NONCLASSIC CAH
CONCLUSION AND AREAS OF UNCERTAINTY
CHAPTER 65:
Pheochromocytoma—Molecular Genetics, Diagnosis, and Treatment Strategies
INTRODUCTION
BIOCHEMICAL DIAGNOSIS
ANATOMICAL LOCALIZATION
MOLECULAR GENETICS
RET
von Hippel-Lindau
Succinate Dehydrogenase
SCREENING FOR MUTATIONS IN PATIENTS WITH PHEO/PGL
TREATMENT
PHEOCHROMOCYTOMA CRISIS
SURGERY
MALIGNANT TUMORS
CHAPTER 66:
Primary Aldosteronism
INTRODUCTION
PREVALENCE
SUBTYPES
Surgically Curable
Surgically Not Curable
WHO SHOULD BE SCREENED?
ARR Measurement
Important Check-lists for Interpreting ARR
Confirmatory Tests (Table 66.3)
Subtype Evaluation
Uncommon Causes
Imaging of Primary Aldosteronism
AVS—Pros and Cons
AVS—How to Avoid Errors?
When to Avoid AVS?
Unsuccessful Adrenal Venous Sampling
Functional Imaging
MANAGEMENT
CONCLUSION
CHAPTER 67:
Adrenocortical Carcinoma Current Concept and Treatment Strategies
INTRODUCTION
CLINICAL PRESENTATION
DIAGNOSTIC EVALUATION
STAGING
HORMONAL INVESTIGATIONS
FINE-NEEDLE ASPIRATION BIOPSY (FNA)
HISTOPATHOLOGY
TREATMENT
ADJUVANT THERAPY
CHEMOTHERAPY
RADIOTHERAPY
FOLLOW-UP
SECTION 5: BONE AND MINERAL DISORDERS
CHAPTER 68:
Basics of Bone Physiology
BONE CELLS
ORGANIC MATRIX
INORGANIC MINERAL
BONE DEVELOPMENT
CELLULAR AND MOLECULAR CONTROL OF SKELETAL DEVELOPMENT
OSTEOBLAST FUNCTION
OSTEOCLAST DIFFERENTIATION AND FUNCTION
STRUCTURE AND FUNCTION OF OSTEOCLAST
BONE REMODELING
Systemic Factors Influencing Bone Turnover and Pathogenesis of Osteoporosis
KEY MESSAGE
CHAPTER 69:
Basics of Mineral Physiology
INTRODUCTION
CALCIUM
Role of Calcium in Normal Physiology
Distribution of Calcium and Normal Blood Levels
Absorption of Calcium
Excretion of Calcium
PHOSPHORUS (PO4)
Role of Phosphorus
Distribution of Phosphorus and Normal Ranges
Absorption of Phosphorus
Renal Excretion of Phosphate
MAGNESIUM
PARATHYROID HORMONE
VITAMIN D
FGF-23
CHAPTER 70:
Primary Hyperparathyroidism: An Indian Perspective
INTRODUCTION
DEMOGRAPHIC CHARACTERISTICS
ETIOLOGY OF PHPT
PATHOGENESIS OF PHPT
PRESENTING MANIFESTATIONS
SKELETAL MANIFESTATIONS
RENAL MANIFESTATIONS
NEUROMUSCULAR MANIFESTATIONS
GASTROINTESTINAL MANIFESTATIONS
HEMATOLOGICAL MANIFESTATIONS
MISCELLANEOUS MANIFESTATIONS
PRESENTATION IN CHILDHOOD
EFFECT OF GENDER ON PRESENTATION OF PHPT
EVALUATION OF PRIMARY HYPERPARATHYROIDISM
TREATMENT OF PHPT
Management of Hypercalcemic Crisis
Preoperative Localization of Hyperfunctioning Parathyroid Tissue
TREATMENT OF SYMPTOMATIC PRIMARY HYPERPARATHYROIDISM
Surgical Treatment
Postoperative Management
MANAGEMENT OF ASYMPTOMATIC PRIMARY HYPERPARATHYROIDISM
Mortality in PHPT
SUGGESTED READING
CHAPTER 71:
Hypoparathyroidism-Hypocalcemia
INTRODUCTION
EPIDEMIOLOGY
ETIOPATHOGENESIS
Idiopathic Hypoparathyroidism
Postsurgical Hypoparathyroidism
Autoimmune Hypoparathyroidism
Genetic Disorders Associated with Hypoparathyroidism
Isolated Hypoparathyroidism
Syndromes Associated with Hypoparathyroidism
Radiation and Infiltrative Disorders
Hypo- and Hypermagnesemia
CLINICAL FEATURES
Neurological Manifestations
Skeletal Manifestations
Cardiac Manifestations
Ophthalmic Manifestations
EVALUATION
Biochemical Investigations
Genetic Testing
MANAGEMENT
TREATMENT IN SPECIAL SITUATIONS
Acute Symptomatic Hypocalcemia
Familial Hypocalcemia with Hypercalciuria
Hypomagnesemia
ROLE OF PTH THERAPY
CHAPTER 72A:
Vitamin D Status of Indian Population
INTRODUCTION
VITAMIN D STATUS IN ADULTS
VITAMIN D DEFICIENCY AND BONE MINERAL DENSITY
VITAMIN D STATUS IN PREGNANCY AND LACTATION
VITAMIN D STATUS IN NEONATES AND INFANTS
VITAMIN D STATUS IN INDIAN CHILDREN
STRATEGIES TO OVERCOME VITAMIN D DEFICIENCY IN INDIA
CHAPTER 72B:
Vitamin D Toxicity
INTRODUCTION
CASE PRESENTATIONS
DISCUSSION
Etiology
Mechanism
Clinical Manifestations
Diagnosis
Treatment
SUMMARY AND CONCLUSION
CHAPTER 73A:
Epidemiology and Risk Factors of Osteoporosis
INTRODUCTION
BONE MINERAL DENSITY IN INDIANS
HIP FRACTURE
VERTEBRAL AND OTHER FRACTURES
RISK FACTORS FOR OSTEOPOROSIS (TABLE 73a.1)
LOW BODY WEIGHT OR WEIGHT LOSS
PREVIOUS FRAGILITY FRACTURE
FALLS
DISEASES AND MEDICATIONS ASSOCIATED WITH RISK OF OSTEOPOROSIS
CONCLUSION
CHAPTER 73B:
Diagnosis of Osteoporosis and Assessment of Fracture Risk
DUAL X-RAY ABSORPTIOMETRY (FIGS. 73B.1 AND 73B.2)
WHICH SITES TO MEASURE
WHEN TO ORDER DXA SCAN
ADDITIONAL BONE DENSITOMETRY TECHNOLOGIES
BIOMARKERS OF BONE TURNOVER
THE RELATIONSHIP BETWEEN BMD AND FRACTURES
ASSESSMENT OF FRACTURE RISK
FRAX
CHAPTER 73C:
Treatment of Osteoporosis
INTRODUCTION
NON-PHARMACOLOGICAL MANAGEMENT OF OSTEOPOROSIS (TABLE 73C.1)
PHARMACOLOGICAL INTERVENTION
BISPHOSPHONATES
Side Effects of Bisphosphonates
ESTROGEN
SERMS (SELECTIVE ESTROGEN RECEPTOR MODULATORS)
CALCITONIN
TERIPARATIDE RHPTH (1–34)
STRONTIUM RANELATE
DENOSUMAB
FUTURE THERAPIES
WHICH TREATMENT FOR WHICH PATIENT
CHAPTER 74:
Metabolic Bone Disease in Children
INTRODUCTION
RICKETS
EPIDEMIOLOGY
ETIOLOGY
CLINICAL FEATURES
Clinical Differences of Phosphopenic Rickets from Calcipenic Rickets
DIFFERENTIAL DIAGNOSIS
LABORATORY FINDINGS
RADIOLOGICAL FINDINGS
TREATMENT
Preparations of Vitamin D Available in India
Treatment Schedule
Calcium Supplementation During Treatment
Duration of Therapy
Monitoring of Treatment
HYPERVITAMINOSIS D
PREVENTION
Sunlight Exposure
Supplements
WHEN TO REFER?
RICKETS DUE TO CALCIUM DEFICIENCY
VITAMIN D-DEPENDENT RICKETS TYPE I
VITAMIN D-DEPENDENT RICKETS TYPE II
X-LINKED HYPOPHOSPHATEMIC RICKETS (XLHR)
Pathophysiology
Clinical Presentation
Laboratory Features
Radiological Features
Treatment
METABOLIC BONE DISEASE OF PREMATURITY
RICKETS SECONDARY TO RENAL TUBULAR ACIDOSIS
OSTEOPOROSIS IN CHILDREN
ETIOLOGY (TABLE 74.6)
Clinical Features
Investigations
Prevention and Treatment
Osteogenesis Imperfecta
SUMMARY
CHAPTER 75:
Medical Evaluation of Nephrolithiasis
WHY WE REQUIRE STONE EVALUATION?
PATHOPHYSIOLOGY
ETIOLOGY OF RENAL STONES
IDIOPATHIC HYPERCALCIURIA (IH)
HYPERURICOSURIA AND URIC ACID NEPHROLITHIASIS
HYPOCITRATURIA
HYPEROXALURIA
DISTAL RENAL TUBULAR ACIDOSIS
INFECTION STONES
CYSTINURIA
KIDNEY STONE METABOLIC EVALUATION AND INTERVENTION
Assessment of Risk Factors
EVALUATION PROTOCOL
CLINICAL HISTORY AND FAMILY HISTORY
STONE ANALYSIS
DETAILED METABOLIC EVALUATION
CALCIUM TOLERANCE TEST
AMMONIUM CHLORIDELOADING TEST
INDIAN SCENARIO
Prevalence
CHEMICAL COMPOSITION
METABOLIC EVALUATION
MANAGEMENT
Nonpharmacologic Management
Pharmacologic Management (Table 75.6)
CHAPTER 76:
Fluorosis
DEFINITION AND EPIDEMIOLOGY
ETIOPATHOGENESIS
Effect of Fluoride Ingestion on Bone Mineral Metabolism
Recent Understanding of Etiopathogenesis of Fluorotoxic Metabolic Bone Disease (FMBD)
CLINICAL FEATURES
RADIOLOGY
BONE SCANING AND BONE DENSITOMETRY
BONE HISTOPATHOLOGY AND HISTOMORPHOMETRY
TREATMENT
SECTION 6: REPRODUCTIVE ENDOCRINOLOGY
CHAPTER 77:
Evaluation of Amenorrhea
INTRODUCTION
PATHOPHYSIOLOGY
EVALUATION OF AMENORRHEA (FLOWCHART 77.1)
INVESTIGATION
Primary Amenorrhea
Uterus Absent
Uterus Present
Secondary Amenorrhea
TREATMENT
Müllerian Dysgenesis
Imperforate Hymen/Transverse Vaginal Septum
Müllerian Agenesis (Mayer–Rokitansky–Kuster–Hauser Syndrome)
Androgen Insensitivity Syndrome
Gonadal Dysgenesis
Turner’s Syndrome
Hypothalamic–Pituitary Disorders
SECONDARY AMENORRHEA
PCOS
Post-Pill Amenorrhea
Intrauterine Adhesions
CAH
CONCLUSION
MCQs
CHAPTER 78:
Management of Hypogonadism in Females
INTRODUCTION
ETIOLOGY
Hypogonadotropic Hypogonadism
Functional Defects
Permanent Structural and Functional Lesions
HYPERGONADOTROPIC HYPOGONADISM
Turner’s Syndrome
Primary Ovarian Insufficiency
EPIDEMIOLOGY
CLINICAL FEATURES
Hypogonadotropic Hypogonadism
Hypergonadotropic Hypogonadism
Turner’s Syndrome
Primary Ovarian Insufficiency
EVALUATION OF FEMALEHYPOGONADISM
History
Physical Examination
Laboratory Evaluation (Flowchart 78.1)
TREATMENT
Treatment of Potentially Reversible Causes
Constitutional Delay in Growth and Puberty
Functional Hypothalamic Amenorrhea
Hyperprolactinemia and Other Endocrine Disorders
Treatment of Established Hypogonadism
Hormone Substitution (Estrogen and Progesterone) Therapy
Specific Treatments According to Etiology
Hypogonadotropic Hypogonadism
Hypergonadotropic Hypogonadism
COMPLICATIONS
PREVENTION
SUMMARY
CHAPTER 79:
Polycystic Ovary Syndrome
INTRODUCTION
PATHOGENESIS OF PCOS
Insulin Resistance/Hyperinsulinemia
Obesity and Adipose Tissue Dysfunction in PCOS
Hyperandrogenism
Oligoanovulation and Ovarian Morphology
Gonadotropin Abnormalities
Impact of Prenatal Factors
Contribution from Genetic Alterations
Lifestyle
COMORBIDITIES AND CONSEQUENCES OF PCOS
Subfertility and Obstetric Problems
Glucose Tolerance Abnormalities
Cardiovascular Risk in PCOS
Psychiatric Comorbidities
Cancer Risk
DIAGNOSTIC EVALUATION
MANAGEMENT
Lifestyle Modification
PHARMACOTHERAPY
Clomiphene Citrate
SURGICAL TREATMENT
SYMPTOMATIC APPROACH
KEY MESSAGE
CHAPTER 80:
Hyperandrogenism Other than PCOS
CAUSES OF HYPERANDROGENISM (TABLE 80.1)
Late Onset Congenital Adrenal Hyperplasia and Classical Congenital Adrenal Hyperplasia
HAIR-AN (Hyperandrogenemia, Acanthosis Nigricans and Insulin Resistance Syndrome)
Idiopathic Hirsutism and Idiopathic Hyperandrogenemia
Other Hormonal Conditions Which May Have a Component of Hyperandrogenemia
Cushing’s Syndrome
Prolactinoma
Acromegaly
Hypothyroidism
Glucocorticoid Resistance Syndromes
Drug-Induced Hyperandrogenemia
Ovarian and Adrenal Tumors
Ovarian Hyperthecosis
Pregnancy Conditions Associated with Hyperandrogenemia
Ovarian Luteomas
Hyper-Reacto Lutealis
Placental Aromatase Deficiency
CLINICAL MARKERS OF ANDROGEN EXCESS
Hirsutism
Acanthosis Nigricans
Acne
Virilization
NORMAL HORMONAL LEVELS AND WHAT IS ABNORMAL?
INVESTIGATIONS
TREATMENT
Oral Contraceptive Pills
Antiandrogens
Insulin Sensitizers
Other Drugs
Treatment of Specific Diseases
Cosmetic Measures
Risk Reduction for Metabolic Diseases
CONCLUSION
CHAPTER 81:
Primary Ovarian Failure and Menopause
INTRODUCTION
PRIMARY OVARIAN FAILURE
Epidemiology
Etiopathogenesis
Clinical Features
Laboratory Evaluation (Flowchart 81.1)
Long-Term Sequelae
Treatment
MENOPAUSE
Treat Right Women for Right Reasons with Right Drug
CHAPTER 82:
Female Hormonal Contraception
INTRODUCTION
PHARMACOLOGY OF STEROID HORMONES
Estrogens
Progestins
TYPES OF HORMONAL CONTRACEPTION
Combination Oral Contraception
Efficacy
Dosage
Drug Interactions
Side Effects
COMBINED ORAL CONTRACEPTION AND MEDICAL PROBLEMS
Hypertension
Diabetes Mellitus
Elective Surgery
Hyperlipidemia
NONORAL COMBINATION CONTRACEPTIVES
PROGESTATIONAL CONTRACEPTIVES
Oral Progestin Only Pill
Dosage
Side Effects
Irregular Menstrual Bleeding
Acne
Benefits
Long-Acting Methods of Contraception (Nonoral Progestin Contraception)
Depot-Medroxyprogesterone Acetate
Contraceptive Implants (Systems with the Sustained Release of a Progestin)
Levonorgestrel Releasing Intrauterine Device
Emergency Contraception
Combined Estrogen Progestin Method
Progestins Only
CHAPTER 83:
Gynecomastia
DEFINITION
PATHOGENESIS
COURSE OF THE DISEASE
CLINICAL POINTS
Pathogenesis of Gynecomastia (Table 83.1)
Reproductive Endocrinology
Gynecomastia
Clinical Evaluation
Examination
LABORATORY EVALUATION (Table 83.3)
MANAGEMENT
CHAPTER 84:
Male Reproductive System: Clinical Examination and Investigations
INTRODUCTION
BASIC CONCEPTS OF MALE REPRODUCTIVE ENDOCRINOLOGY
CAUSES OF HYPOGONADISM IN MALE
Primary Hypogonadism
Secondary Hypogonadism
HISTORY AND EXAMINATION
Aim of History and Examination
History
Examination
Axillary Hair
Pubic hair
Genitals
Analysis of Available Information
MALE INFERTILITY
Clinical Approach in Other Male Endocrine Problems
Infertility
Gynecomastia
Clinical Evaluation in Gynecomastia
Erectile Dysfunction
Investigations for Male Reproductive Endocrine Disorders
Hormonal Tests
Important to Remember About Semen Analysis
CHAPTER 85:
Treatment of Hypogonadism in Males
INTRODUCTION
Monitoring of Testosterone Replacement
Treatment
Results
Side Effects and Problems
SUMMARY
CHAPTER 86:
Andropause and Adult Onset Male Hypogonadism
INTRODUCTION AND PHYSIOLOGY OF MALE REPRODUCTIVE SYSTEM
DEFINITION
CLINICAL DIAGNOSIS OF ANDROGEN DEFICIENCY/MALE HYPOGONADISM
Andropause and Adult Onset Male Hypogonadism
THE AGING MALE
Prevalence of Androgen Deficiency in Male
General
DIAGNOSING ANDROGEN DEFICIENCY IN AGING MEN
Reproductive Endocrinology
Andropause and Adult onset Male Hypogonadism
CHAPTER 87:
Erectile Dysfunction
INTRODUCTION
EPIDEMIOLOGY
ERECTILE PHYSIOLOGY
PATHOPHYSIOLOGY OF ERECTILE DYSFUNCTION
Psychogenic Factors
Cardiovascular Disease
Diabetes
DIAGNOSIS OF ERECTILE DYSFUNCTION
PHYSICAL EXAMINATION
LABORATORY TESTING
Nocturnal Penile Tumescence (NPT)
MANAGEMENT OF ERECTILE DYSFUNCTION
PDE5 Inhibitors
Second-Line Therapies
Vacuum Devices for Inducing Erection
Intracavernous Injection Therapy
Intraurethral Alprostadil
SURGICAL TREATMENT OF ERECTILE DYSFUNCTION
Penile Prosthesis
Penile Revascularisation
Androgen Replacement Therapy
Melanocortin Receptor Agonists
Gene Therapy
CONCLUSION
CHAPTER 88:
Male Contraception
INTRODUCTION
REGULATION OF SPERMATOGENESIS
CLASSIFICATION OF MC
Barrier Method: Condom
Surgical Methods: Vasectomy and Vasal Occlusion
Vasectomy
Vasal Occlusion: Intravas Device and RISUG
Reversible Inhibition of Sperm Under Guidance
Male Hormonal Contraception
MHC Regimens
Drawback and Concerns of MHC
Nonhormonal Male Contraception (NHMC)
Lonidamide Derivatives: Adjudin and Gamendazole
Retinoic Acid Inhibition
Sperm-Specific Ion Channels
Others
CONCLUSION
SECTION 7: PEDIATRIC ENDOCRINOLOGY
CHAPTER 89A:
Growth Hormone Disorder: Approach to Short Stature
INTRODUCTION
ETIOLOGY (TABLE 89a.1)
History
Antenatal History
Birth History
Medical History
Family History
Dietary History
Medication History
Development
Growth Data
Growth Velocity
Body Proportions
Target Height
Formulae
Bone Age
Physical Examination
General Examination
Systemic Examination
Laboratory Evaluation
Diagnostic Algorithm
SUMMARY
CHAPTER 89B:
Use of Growth Hormone in Non–GHD Conditions
INTRODUCTION
GENERAL CONSIDERATIONS
TURNER’S SYNDROME (TS)
SMALL FOR GESTATIONAL AGE (SGA)
CHRONIC RENAL FAILURE
PRADER–WILLI SYNDROME (PWS)
IDIOPATHIC SHORT STATURE (ISS)
SHOX DEFICIENCY
NOONAN SYNDROME
SIDE EFFECTS OF GH
CONCLUSION
CHAPTER 89C:
Growth Hormone Deficiency in Children
INTRODUCTION
GROWTH HORMONE PHYSIOLOGY
ETIOLOGY OF GROWTH HORMONE DEFICIENCY (TABLE 89C.1)
CLINICAL PRESENTATION
DIAGNOSIS OF GHD
Auxological Criteria (Any One)
Other Indications to Initiate Evaluation of GHD
Screening Tests for GH Deficiency
Biochemical Diagnosis
Provocative Tests (Table 89c.2)
Priming with Sex Steroids
Neuroimaging
Genetic Studies
Diagnosis of GHD
TREATMENT
Adverse Effects of GH Therapy
Contraindications
Follow-Up
IGF-1 Monitoring
Stopping GH Therapy
KEY POINTS
CHAPTER 90A:
Delayed Puberty
INTRODUCTION
Definition of Delayed Puberty
Etiology and Epidemiology
CONSTITUTIONAL DELAY OF PUBERTY
HYPOGONADOTROPIC HYPOGONADISM (SECONDARY HYPOGONADISM)
Functional Hypogonadism
Congenital Hypogonadotropic Hypogonadism
Kallmann’s Syndrome
Idiopathic Hypopituitarism
Hypogonadotropic Hypogonadism due to Organic Causes: (Acquired Hypogonadism)
HYPERGONADOTROPIC HYPOGONADISM
BOYS
GIRLS
Evaluation
History
INVESTIGATIONS
Hormonal Evaluation
LOW GONADOTROPINS
Protocol
ELEVATED GONADOTROPINS
Females
Males
MANAGEMENT OF DELAYED PUBERTY
Management of Delayed Puberty in Boys
Summary: Delayed Puberty
CHAPTER 90B:
Precocious Puberty
INTRODUCTION
CLASSIFICATION
Gonadotropin-Dependent Precocious Puberty (CPP)
Gonadotropin—Independent Precocious Puberty (Peripheral or Pseudo PP)
INITIAL EVALUATION
FURTHER EVALUATION
Treatment of GDPP
Treatment for GIPP
Medical Treatment
SUMMARY
CASE VIGNETTE
CHAPTER 90C:
Turner Syndrome
INTRODUCTION
EPIDEMIOLOGY
CLINICAL FEATURES
Antenatal
Infancy
Childhood and Adolescence
Adulthood
DIAGNOSIS
Criteria
Prenatal Diagnosis
Karyotype–Phenotype Correlation
Detection of Y Line
ASSOCIATIONS
Growth Failure
Ovarian Dysfunction
Cardiovascular Association
Urologocial Abnormalities
Ophthalmological
Hearing Loss
Dental
Skeletal
Dermatological
Autoimmune Associations
Scholastic Performance and Psychological Impact
MANAGEMENT
GROWTH
Growth Hormone
Indication
Dose
Follow-Up
Growth Benefit
Factors Influencing Outcome
Nonauxological Benefits
Duration
Adverse Effects
Androgen
ESTROGEN REPLACEMENT THERAPY
Timing
Preparation
Route
Protocol
REPRODUCTIVE ISSUES
Prepregnancy Assessment
Artificial Reproductive Techniques
Pregnancy Care
CARDIOVASCULAR SYSTEM
HEARING
INDIAN PERSPECTIVES
CHAPTER 91A:
46,XX Disorders of Sexual Development
INTRODUCTION
PATHOPHYSIOLOGY OF 46,XX DSD
EPIDEMIOLOGY
International
India
CLINICAL FEATURES AND PRESENTATION
Disorders of Ovarian Development
Ovotesticular DSD
XX Testicular DSD (XX Males or XX Sex Reversal)
Gonadal Dysgenesis
Disorders of Androgen Synthesis
Fetal: Congenital Adrenal Hyperplasia
Fetoplacental Disorders of Androgen Excess
Maternal Disorders of Androgen Excess
DIAGNOSIS
Congenital Adrenal Hyperplasia
PRINCIPLES OF MANAGEMENT OF 46,XX DSD
Congenital Adrenal Hyperplasia
Gender Assignment in Newborn Infants
CONCLUSION
CHAPTER 91B:
46,XY Disorders of Sexual Development
INTRODUCTION
EPIDEMIOLOGY
International
India
Disorder of Testis Development
Gonadal Agenesis
Gonadal Dysgenesis
Disorders of Androgen Synthesis or Androgen Action
Disorders of Androgen Synthesis
46,XY DSD Due to Enzymatic Defects in Testosterone Synthesis
Congenital Lipoid Hyperplasia
P450 Side-chain Cleavage (P450scc, CYP11A1) Deficiency
3β-Hydroxysteroid Dehydrogenase Type 2 (HSD3B2) Deficiency
17α-Hydroxylase/17,20-lyase (CYP17) Deficiency
P450c17 (17,20-lyase Activity) Deficiency
17β-HSD Type 3 Deficiency
5α-reductase Type 2 (5RD2) Deficiency
Disorders of Androgen Action
OTHER CAUSES OF 46,XY DSD
Persistent Müllerian Duct Syndrome
Congenital Nongenetic 46,XY DSD
Maternal Intake of Endocrine Disruptors
DIAGNOSIS OF 46,XY DSD
PRINCIPLES OF MANAGEMENT OF 46,XY DSDS
Hormonal Treatment
Female Social Sex
Male Social Sex
Surgical Therapy
Dysgenetic or Undescended Gonads and Tumor Development
CONCLUSION
CHAPTER 92:
Type 1 Diabetes (Pediatric Endocrinology)
INTRODUCTION
EPIDEMIOLOGY
PATHOPHYSIOLOGY
CLINICAL FEATURES
MANAGEMENT
Initial Management
Medical Nutrition Therapy
Activity
Insulin Therapy
Other Autoimmune Diseases
Self-Monitoring of Blood Glucose
Immediate Patient Education
Ongoing Patient and Parent Education, Transition to Adult Care
Age-Based Care
Infants
Toddlers
Preschool and Early School-Aged Children
School-Aged Children
Adolescents
Impact on the Family
Hypoglycemia
Sick Day Rules
Immune Intervention Trials in New-Onset T1DM
CHAPTER 93:
Metabolic Syndrome in Children and Adolescents
INTRODUCTION
EPIDEMIOLOGY
ETIOLOGY
Fetal and Neonatal Onset of Adult Diseases
Obesogenic Environment
Role of Motivational Triad
PATHOPHYSIOLOGY
Role of Organokines
Hepatokines
CLINICAL FEATURES
DIAGNOSIS OF METABOLIC SYNDROME IN CHILDREN AND ADOLESCENTS
PRINCIPLES OF PREVENTION, EVALUATION, AND MANAGEMENT
THERAPEUTIC LIFESTYLE CHANGES
Behavior Modification
Dietary Modifications
Physical Activity
Pharmacologic Therapy
CHAPTER 94:
Rickets
INTRODUCTION
PATHOPHYSIOLOGY
VITAMIN D DEFICIENCY RICKETS
CALCIUM DEFICIENCY RICKETS
HYPOPHOSPHATEMIC RICKETS
TUMOR INDUCED HYPOPHOSPHATEMIC RICKETS
RENAL TUBULAR ACIDOSIS
RADIOLOGICAL FEATURES
BIOCHEMICAL FEATURES
TREATMENT
CHAPTER 95A:
Neonatal Screening for Endocrine Disorders
CONGENITAL HYPOTHYROIDISM
INCIDENCE
SCREENING PROTOCOLS AND TECHNOLOGY
FALSE-POSITIVE RESULTS
IMPROVING CH SCREENING
CONGENITAL ADRENAL HYPERPLASIA
INCIDENCE
SCREENING PROTOCOLS AND TECHNOLOGY
FALSE-POSITIVE RESULTS
IMPROVING CAH SCREENING
CHAPTER 95B:
Neonatal Endocrine Emergencies
INTRODUCTION
HYPOGLYCEMIA
DEFINITION OF HYPOGLYCEMIA
CLINICAL FEATURES AND DIAGNOSIS OF HYPOGLYCEMIA
MANAGEMENT OF HYPOGLYCEMIA
RECURRENT OR RESISTANT HYPOGLYCEMIA
Hyperinsulinism
Surgery
Congenital Hypopituitarism
Neonatal Diabetes
Treatment
Hypocalcemia
Definition
Causes of Hypocalcemia
Clinical Features
Management of Hypocalcemia
Neonatal Thyrotoxicosis
Clinical Features
Management
Disorders of Sex Differentiation
Approach to a Neonate with Suspected DSD
Clinical Presentation and Assessment
Management Issues
General Principles of Sex Assignment in Patient with DSD
Timing of Surgery
DSD and Adrenal Insufficiency
Adrenal Disorders with Neonatal Presentation
Adrenal Insufficiency
Management
Aldosterone Pathway Defects
CONCLUSION
SECTION 8: OBESITY
CHAPTER 96:
Obesity Global and Indian Overview
OBESITY GLOBAL OVERVIEW
OBESITY IN INDIA
WHAT CAUSES OBESITY AND OVERWEIGHT?
HEALTH CONSEQUENCES OF OVERWEIGHT AND OBESITY
WHAT ARE THE WAYS AND MEANS TO REDUCE OVERWEIGHT AND OBESITY?
CHAPTER 97:
Adipose Cell Biology
INTRODUCTION
FUNCTIONS OF THE ADIPOSE TISSUE
ARE ADIPOCYTES ALL THE SAME?
WHAT ARE THE PHYSIOLOGICAL ACTIVATORS OF THERMOGENESISIN BROWN/BEIGE CELLS?
DIFFERENCE BETWEEN WHITE FAT DEPOTS AT DIFFERENT LOCATIONS
DEVELOPMENTAL PATTERNS OF ADIPOSE TISSUE
PLASTICITY OF THE ADIPOSE TISSUE
BEHAVIOR OF THE ADIPOSE TISSUE IN OBESITY
CHANGES IN FAT TISSUE REMODELING IN OBESITY
INTERACTION OF THE ADIPOSE TISSUE WITH IMMUNE CELLS: LINKBETWEEN OBESITY AND INFLAMMATION
INTERACTION OF ADIPOSE TISSUE WITH OTHER CELLS
LINKAGE OF OBESITY TO CANCER
COMMUNICATION OF ADIPOSE TISSUE WITH OTHER CELLS
Anti-Inflammatory Adipokines
LIPID TRAFFIC INSIDE THE ADIPOSE TISSUE
CONCLUSION
CHAPTER 98:
Changing Human Architecture and Energy Equations in Obesity
INTRODUCTION
OBESITY—EXTENT OF THE PROBLEM
CONSEQUENCES OF OBESITY
CENTRAL OBESITY AND METABOLIC SYNDROME
CAUSES OF PANDEMIC OF OBESITY
Eating Habits
Sedentary Lifestyle
Psychological Stress
Secondary Obesity
ARE OUR GENES CHANGING?
Energy Equation and Balance
Levine Hypothesis of NEAT in Modern Obesity
CAN WE HALT OBESITY?
PHYSICAL ACTIVITY GUIDELINES FOR ADULT INDIANS
PHYSICAL ACTIVITY PRESCRIPTION
CHAPTER 99:
Etiopathogenesis of Obesity Including Secondary Causes: Both Endocrine and Genetic Syndromes
INTRODUCTION
CENTRAL INTEGRATION OF PERIPHERAL SIGNALS1
GASTROINTESTINAL HORMONES
Ghrelin2
Cholecystokinin (CCK)3
Peptide YY (PYY)4
Pancreatic Polypeptide (PP)5
ADIPOKINES
Leptin7
DEVELOPMENTAL PATHWAYS
Adaptive Pathway
Fetal Overnutrition
ENDOCANNABINOID SYSTEM (ECS)12
GUT MICROBIOME13
INFECTION14
FOOD INTAKE15
ODOR DETECTION THRESHOLD16
PSYCHOLOGICAL FACTORS17
OTHER FACTORS18
ENERGY EXPENDITURE
GENETICS
Polygenic Contribution to Obesity
Monogenic Human Obesity22
Genetic Obesity Syndromes23
Monogenic Obesity Syndromes
Obesity Syndromes with Chromosomal and Imprinting Anomalies
ENDOCRINE DISEASES
CHAPTER 100:
Approach to an Obese Patient—Protocols and Plans
INTRODUCTION
DEFINITION
APPROACH TO A PATIENT
MANAGEMENT
LIFESTYLE MODIFICATIONS
BARIATRIC SURGERY
PHARMACOTHERAPY
Orlistat
Lorcaserin
Phentermine/Topiramate
NALTREXONE SUSTAINED-RELEASE AND BUPROPION SUSTAINED-RELEASE
CONCLUSIONS
CHAPTER 101:
Management of Obese Patient—Behavior, Diet, Activity and Treatments
INTRODUCTION
ADVANTAGES OF WEIGHT LOSS—LIVE LONGER
GOALS OF WEIGHT LOSS AND MANAGEMENT
STRATEGIES FOR WEIGHT LOSS AND WEIGHT MAINTENANCE
Diet and Exercise
Functional Foods in Obesity
Behavioral Therapy
Drug Therapy
Available Drug Options
LIPASE BLOCKERS: ORLISTAT, THE EVIDENCE-BASED APPROVED (OVER THE COUNTER) WEIGHT LOSS PILL
ORLISTAT—THE PLEIOTROPIC PILL
US Medications for Obesity (Not Available in India)
MEDICATIONS WHICH ARE WITHDRAWN
NOVEL AGENTS FOR DIABESITY: LIRAGLUTIDE
FUTURE ANTIOBESITY DRUGS IN DEVELOPMENT
SATIETY INDEX AND MEDICATIONS MODULATING THEM
CHAPTER 102:
Bioactives in Obesity
INTRODUCTION
FACTORS AFFECTING OBESITY
PHARMACOTHERAPY AND ITS EFFECT ON WEIGHT LOSS
OBESITY AND INFLAMMATION
FOODS FOR WEIGHT LOSS
ROLE OF GUT MICROBIOTA IN WEIGHT MANAGEMENT
WHAT ARE BIOACTIVES
ROLE OF BIOACTIVES
ANTI-INFLAMMATORY EFFECT OF BIOACTIVES
SOME DIETARY BIOACTIVES
Polyphenols
Curcumin
Resveratrol
Tea
(N-3) POLYUNSATURATED FATTY ACIDS
OTHER KNOWN BIOACTIVES
CONCLUSION
CHAPTER 103:
Preventive Strategies in Obesity
FAMILIES
EARLY CHILD CARE
SCHOOLS
HEALTH CARE
WORKPLACE
HEALTHY FOOD ENVIRONMENT
HEALTHY ACTIVITY ENVIRONMENT
INDEX
TOC
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