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Dermatologic Surgery Made Easy
Virendra N Sehgal, Govind Srivastava
CHAPTER 1:
Cryosurgery
INTRODUCTION
HISTORY
TERMINOLOGY
CRYOGENS
Effects of Cooling
Factors Affecting Destruction
CRYOSURGICAL EQUIPMENTS
Cooling Devices
Cryogen Storage Devices
Transferring Equipment (IBP)
Accessories-optional
Indications
Benign
Premalignant
Malignant
CRYOTHERAPY: STEP BY STEP (USING LIQUID NITROGEN)
Preparation
Cooling (Freezing)
Thawing
After Care
CRYOSURGERY METHODS
INTRALESIONAL CRYOSURGERY
Equipments
Technique
Complications of Cryosurgery
Contraindications
Advantages of Cryosurgery over Other Ablative Procedures
SPECIAL ISSUES
Cryosurgery for Infectious Diseases
Skin Tags
Seborrheic Keratosis
Acne
Keloid and Hypertrophic Scars
Basal Cell Carcinoma and Other Non-melanoma Skin Cancers
CHAPTER 2:
Skin Peels
INTRODUCTION
CLASSIFICATION OF PEELING AGENTS
FACTORS AFFECTING THE DEPTH OF THE PEEL
COMMONLY USED PEELING AGENTS FOR THE ASIAN SKIN
Alpha Hydroxy Acids
Mechanism of Action
Disadvantages
Trichloroacetic Acid (TCA)
Preparation
Mechanism of Action
Uses
Disadvantages
Salicylic Acid Peels
Preparations
Mechanism of Action
Uses
Tretinoin Peels
Preparation
Mechanism of Action
Indications for Chemical Peels
Contraindications for Chemical Peels1,2,6,11
STEP BY STEP DETAILS OF SUPERFICIAL SKIN PEEL
Prepeel Evaluation
Prepeel Preparation/Priming with Topical Agents
Advantages of Prepeel or Adjunct Topical Agents
Check the Trolley before Starting the Chemical Peel
The Peel Procedure
Important Precautions
Skin Preparation
Application of the Chemical Peel
Post-peel Period
Complications of Chemical Peels1,2,3,6,11
Maintenance of Peel Benefits
CONCLUSION
CHAPTER 3:
Vitiligo Surgery: An Overview
INTRODUCTION
SURGICAL MODALITIES FOR VITILIGO
Patient Selection
Indications for Various Procedures
Contraindications
TATTOOING1–5
Definition
Equipments
Instruments
Tattoo Pigments
Procedure
Matching and Mixing of Pigment
Tattoo Operations
Complications
Advantages
Disadvantages
THIN THIERSCH'S SPLIT THICKNESS SKIN GRAFTING6, 7
Introduction
Equipments
Procedure
Donor Site: Thigh or Buttocks
Recipient Site
Follow-up
Complications
Donor Site
Recipient Site
Advantages
PUNCH GRAFTING8,9
Definition
Instruments
Procedure
Advantages
Disadvantages
Postoperative Care
Complications
THERAPEUTIC WOUNDING10,11
Introduction
Indications
Contraindications (in addition to others as listed above)
Equipments
Preoperative Work-up
Therapeutic Wounding Modalities
Superficial Dermabrasion
Chemosurgery with 50 Percent TCA or 88 percent Phenol
Procedure
Side Effects and Complications
Advantages
Disadvantages
ULTRATHIN SKIN GRAFTING (UTSG)12,13 (Melanocyte Transplant/transfer)
Definition
Equipments
Procedure
Donor Site: Thigh or Buttocks
Recipient Site
Follow-up
Complications
Donor Site
Recipient Site
Advantages
SURGICAL THERAPIES: WHEN AND HOW?
SAFETY
CHAPTER 4:
Punch Grafting
INTRODUCTION
History
Principle of Punch Grafting
Instruments/medication
Indications
Common
Other
CONTRAINDICATION
Patient Selection
Test Grafting
INITIAL ASSESSMENT
HOW TO DO IT? STEP-BY-STEP DETAILS
For Recipient Site
For Donor Site
Methods for Difficult Sites
Postoperative Care
Outcome/Course of Graft
Outcome of Wound at Donor Site
Complications
Measures to Avoid Complications
Intraoperative Measures
Postoperative Measures
Measures to Minimize Side Effects
For Vitiligo
For Mole Removal
CONCLUSIONS
CHAPTER 5:
Punch Grafting in Vitiligo
INTRODUCTION
Instruments (Fig. 5.1)
Indications
Contraindication
Patient Selection8
Procedure
Modifications
Course of the Grafts
Complications
Advantages
Disadvantages
CHAPTER 6:
Suction Blister Grafting
INTRODUCTION
EQUIPMENTS
INDICATIONS
PROCEDURE
Modification
Recipient Area
Modifications
TRANSFER OF THE GRAFT
Modifications
Postoperative Medications
Removal of Dressing
Advantages
Disadvantages
Complications10,11
Donor Area
Recipient Area
CHAPTER 7:
Tattoo Removal with Punch Graft Exchange Technique
INTRODUCTION
INDICATIONS
Procedure
SUMMARY
CHAPTER 8:
Microcannular Tumescent Liposuction
INTRODUCTION
STRUCTURE OF FAT3–6
HISTORY OF LIPOSUCTION7
Indications for Liposuction1,2
Methods of Liposuction1,2
Other Methods of Liposuction
Procedure of Tumescent Liposuction
SUMMARY: THE “ART OF LIPOSUCTION”
CHAPTER 9:
Dermal Fillers
INTRODUCTION
INFRA-STRUCTURAL FACILITIES
Available Filler Materials
Others
Indications
Contraindications
Preparation
Procedure
Techniques of Injection
Linear Threading Technique
Serial Puncture Technique
Fan Technique
Cross-Hatching Technique
Step-by-step Detail of the Procedure
Successful Treatment
Post-Treatment Care
Combination Approach
RESULTS/CONCLUSION
CHAPTER 10:
Botulinum
INTRODUCTION
History
Mode of Action
Indications
Wrinkles
Cosmetic Indications
Basic Indications
Second Level
Third Level
Fourth Level
DILUTION AND STORAGE
BOTOX FOR WRINKLES
Techniques
Brows
Brow Characteristics
The Arched Brow
Flare Brow
Horizontal Brow
Brow Furrow
Pitfalls of Forehead Injections
Suborbital Region
Hypertrophic Orbicularis-Pretarsal
Crow's Feet
Suborbital Complications
Forehead Lines
Nasal Scrunch or “Bunny Lines”
Nasolabial Folds
Perioral Lip Lines
“Marionette” and “Lipstick” Lines
Mental Crease
Popply (Dimpled) Chin
Platysmal Bands8,9
Hypertrophic Mandibular Angles
HYPERHIDROSIS
Palms10
Soles
Axilla11
CHAPTER 11:
Dermabrasion
INTRODUCTION
DEFINITION
HISTORY1,5
BASIC PRINCIPLES1,5
Indications1,2,5,6
Contraindications
Patient Counseling
PRE-OPERATIVE PREPARATION
Patient Evaluation
Preoperative Procedures
Equipment (Fig. 11.2)
Procedure
Sequential Levels of Dermabrasion
Dressings and Post-operative Care
Sequelae
Complications
Immediate
Late
CONCLUSION
CHAPTER 12:
Scar Revision
INTRODUCTION
AIM OF SCAR REVISION
COUNSELING
TECHNIQUES OF SCAR REVISION
Invasive
Minimally Invasive
EXCISIONAL TECHNIQUES2–4
Shave Excision or Surgical Planning
Indications
Method
Fusiform or Elliptical Excision (Figs 12.1 to 12.4)
Indications
Method
Serial partial Excision (Figs 12.6 to 12.8)
Indications
Method
SCAR IR-REGULARIZATION
Z-Plasty (Fig. 12.9)
Indications
Method
W-Plasty (Fig. 12.10A)
Indications
Method
Geometric Broken Line Closure (GBLC) (Figs 12.10B and 12.11A and B)
Indications
Method
Dermabrasion5–6
Indications
Contraindications
Method
Complications
Immediate
CONCLUSION
LASER REVISION OF SCARS7
CONCLUSION
CHEMICAL PEELING10
Chemical Agents Commonly used for Peeling
Indications
Contraindications
Priming
Method
Complications
CONCLUSION
ACNE AND PITTED SCAR REVISION11–14
Introduction
Type of Acne Scars
Counseling
Methods of Treatment
Priming
Method (Figs 12.16 to 12.22)
Newer Treatments
CONCLUSION
CRYOTHERAPY15
Equipment
Methods
Sequelae and Complications
CONCLUSION
HYPERTROPHIC SCARS AND KELOIDS17,18
Techniques
SILICONE GEL SHEET (FIG. 12.26)
IONIZING RADIATION
SURGERY
Contractures
Skin Graft or Skin Flap
Z-plasty
Tissue Expansion
Newer Treatment Modalities
Indications
Contraindications
Limitations
Method (For Collagen and Synthetic implants) (Figs 12.27 and 12.28)
Complications
AUTOLOGOUS FAT IMPLANTATION (FIG. 12.29)
Indications
Contraindications
Limitations
Method
Complications
Autologous Collagen Implant
CONCLUSION
HOW TO PREVENT UNSATISFACTORY SCARRING?25
A. Planning
B. Surgical Techniques
C. Wound Care
D. Early Management of Complications
CONCLUSION
CHAPTER 13:
Basics of Laser-Assisted Hair Removal
INTRODUCTION
PRINCIPLES OF LASER-ASSISTED HAIR REMOVAL
PERMANENT HAIR REDUCTION
LASER EQUIPMENT FOR HAIR REMOVAL
Procedure of Laser Assisted Hair Removal
CHAPTER 14:
Laser Hair Removal
INTRODUCTION
SELECTIVE PHOTOTHERMOLYSIS
Equipment Specification
Pretreatment Instructions
Procedure (Figs 14.5 to 14.11)
Diode Hair Removal and Isotretinoin Therapy
Complications7
Limitations
CONCLUSIONS
CHAPTER 15:
Q-Switched Nd: YAG Laser for Nevus of Ota, Tattoo Removal
INTRODUCTION
THE MEDLITE C3 Q-SWITCHED ND: YAG LASER
Equipment
Equipment Specification
Laser Parameters
Physical Parameters
Indications
Absolute
Relative
Contraindication
Procedure
IMMEDIATE RESPONSE
IMMEDIATE FROSTING AFTER LASER
Nevus of Ota
PATIENT 1
PATIENT 2
PATIENT 3
PATIENT 4
TATTOO REMOVAL
PATIENT 1
PATIENT 2
PATIENT 3
POST LASER INSTRUCTIONS
COMPLICATION AND ADVERSE EFFECTS7
CONCLUSION
CHAPTER 16:
Follicular Unit Hair Transplant
INTRODUCTION
INFRASTRUCTURAL FACILITIES
Indications
Criteria for Assessing Right Candidates
Procedure
Preoperative Work-up
Procedure
GRAFT DISSECTION
RECIPIENT SITE
GRAFT INSERTION
POSTOPERATIVE CARE
COMPLICATIONS
CONCLUSION
CHAPTER 17:
Management of Ingrowing Toenail
EPIDEMIOLOGY
ETIOLOGY
STAGING
CONSERVATIVE MANAGEMENT OF INGROWN TOENAIL
NAIL SPLINTING WITH A FLEXIBLE TUBE
Procedure
NAILPLATE AVULSION WITH OR WITHOUT PHENOLIZATION
PARTIAL NAIL AVULSION WITH NAIL MATRIX PHENOLIZATION
Procedure
Advantages
PARTIAL NAIL AVULSION AND MATRIXECTOMY (LASER)
Procedure
PARTIAL NAIL MATRIXECTOMY USING CO2 LASER (MODIFIED)
CONCLUSION
CHAPTER 18:
Partial Nail Avulsion with Nail Matrix Phenolization
PARTIAL NAIL AVULSION AND MATRIXECTOMY (LASER)
Procedure
Procedure
PARTIAL NAIL MATRIXECTOMY USING CO2 LASER (MODIFIED)8
Disadvantage
Procedure
CHAPTER 19:
Lateral Matrix Phenolization for Ingrowing Toenail
INTRODUCTION
EQUIPMENTS (FIG. 19.2)
Indications
Procedure
Phenolization
Modification
Complications
Advantages
Disadvantages
Contraindication
CHAPTER 20:
CO2 Laser in Dermatology and Aesthetic Surgery
INTRODUCTION
BASICS IN LASER THERAPY
Properties of Laser Light
The Components of Laser System
Modes of Action of Laser Light
Laser Tissue Interaction
Carbon Dioxide Laser
Laser Design
Modes of Operation
Modes of Delivery of the Laser Energy
INDICATIONS
Indications for Excision with Carbon Dioxide Laser
Indications for Vaporization
Cosmetic Conditions
Pre-malignant Conditions
Inflammatory Conditions
Infectious Lesions
Vascular Lesions
Miscellaneous Conditions
OPERATING PROCEDURE
1. Presurgical Preparation
2. Anesthesia
3. Preprocedure Precautions and Preparation
LASER PROCEDURE
POSTOPERATIVE PRECAUTIONS
COMPLICATIONS
THE CURRENT SCENARIO OF THE CO2 LASER IN DERMATOLOGY
CHAPTER 21:
Intralesional Therapy in Dermatology
INTRODUCTION
INTRALESIONAL CORTICOSTEROIDS
Indications
Preparation and Dosage
Mode of Administration
By Injection
By Dermojet
Complications of Intralesional Corticosteroids
Local
Systemic
INTRALESIONAL 5-FLUOROURACIL
Indications
Mode of Administration
Side Effects
INTRALESIONAL BLEOMYCIN
Indications
Mode of Administration
Side Effects
Intramatrix Injection
Agents Commonly Used
Mode of Administration
Side Effects
INTRALESIONAL SODIUM STIBOGLUCONATE
Mode of Administration
Side Effects
INTRALESIONAL IMMUNOTHERAPY
Intralesional Interferons9
Indications
Mumps, Candida, Trichophyton Skin Test Antigens10
Mode of Administration
Intralesional Bacillus of Calmette-Guerin (BCG)11
INTRALESIONAL 5-AMINILEVULINIC ACID (5-ALA)12
CHAPTER 22:
Non-healing Wound: A Dermatologist's Perspective
INTRODUCTION
ETIOPATHOGENESIS OF NON-HEALING WOUND
STEP-WISE APPROACH TO NON-SPECIFIC NON-HEALING WOUND
Microbiological and Histopathological Evaluation
Assessment of Depth of Wound
Removal of Non-viable, Dead and Necrotic Tissues
Excising Hyperkeratotic Edge of Wound
Regulating Granulation Tissue Formation
Promotion of Epithelialization
Miscellaneous Contributing Factors
Maintenance of Wound Healing
CHAPTER 23:
The Art of Roller Bandaging
DRESSING
Protects
Promotes
Provides
Types of Dressing
The Material
The Application
Various Types of Turns
Circular Turn
Spiral Turn
Reverse Spiral Turn
Figure of Eight Turn
Recurrent Turn
SOME PECULIAR SITES
Tip of the Finger
Scrotum, Perineum
Thumb
Hand, Wrist
Ankle, Heel
Head (Capeline bandage)
Nose, Chin (Four Tail Bandage)
Eye, Ear
SOME BASIC RULES ABOUT BANDAGING
CHAPTER 24:
Follicular Unit Hair Transplantation
HISTORY AND EVOLUTION OF HAIR TRANSPLANTATION
Era of Punch Grafts
Concept of Minigrafts and Micrografts
Concept of Follicular Unit
Logic of Follicular Unit Transplantation10,11
Mathematics of FUT11,12
Calculation of Grafts12,13
Calculation for Number of Hairs Required for the Recipient Area13
Mega Sessions
Limitations of Follicular Unit Transplantation10
Micro/minigrafts vs Follicular Unit Transplants7,10,11
Role of Laser15
Factors Determining Outcome in Hair Transplantation10–12
Procedure of Follicular Unit Hair Transplantation
Step 1: Patient Selection
Step 2: Preoperative Instructions
Step 3: Preparation of Patient
Step 3: Anesthesia (Fig. 24.5)
Step 4: Donor Dissection (Figs 24.5 and 24.6)
Step 5: Dissection of Hairs (Figs 24.7 and 24.8)
Step 6: Recipient Area Anesthesia
Step 7: Recipient Insertion (Fig. 24.9)
Step 8: Postoperative Instructions
POSTOPERATIVE COMPLICATIONS
SUMMARY
CHAPTER 25:
Photo (Chemo) Therapy: Principles and Indications
HISTORICAL ASPECTS
PHOTO-CHEMOTHERAPY (PUVA)
Principles of PUVA Therapy
Mechanisms of Photo-chemotherapy
Psoralens
PUVA THERAPY (SYSTEMIC): TREATMENT PROTOCOL AND GUIDELINES FOR PSORIASIS
Skin Types
Contraindications
Factors for Consideration in Psoriasis
Before Starting PUVA
Initiation of Treatment
Starting Dose of Psoralen (8–M0P: 0.6–0.8 mg/kg)
Starting Dose of UVA (According to Skin Type or Photo Testing)
Frequency of Therapy: Thrice Per Week (not on Consecutive Days) Increment of Dosage at Each Subsequent Visit
Defaulter
Reaction
Maintenance Therapy
Treatment Failure
Sites for Special Consideration
Complications
Precautions While Operating PUVA Chamber
Before Treatment
During Treatment
After Treatment
Maintenance of the PUVA Machine
Patient Monitoring
PUVA THERAPY (SYSTEMIC): TREATMENT PROTOCOL AND GUIDELINES FOR VITILIGO
PUVA THERAPY (TOPICAL): TREATMENT PROTOCOL AND GUIDELINES FOR VITILIGO
Hand and Foot UVA Unit
Procedures
Defaulter
After Treatment
Maintenance of the Machine
Complications of Topical PUVA
Disadvantages
PUVA THERAPY (TOPICAL): TREATMENT PROTOCOL AND GUIDELINES FOR PSORIASIS
OTHER INDICATIONS FOR TOPICAL (HAND AND FOOT)
Pretreatment Assessment
BATH-PUVA
Procedure
Maintenance Treatment
Other Indication of Bath-PUVA
NARROW BAND UVB (NBUVB) THERAPY
Phototherapy Unit
Dosimetry
Maintenance
Phototesting
Defaulter
Precautions during Treatment
VITILIGO
PSORIASIS
ATOPIC DERMATITIS
PHOTO-DERMATOSES
COMBINATION THERAPY
EVIDENCE-BASED CURRENT USE
LONG-TERM USE AND ADVERSE EFFECTS
CONCLUSIONS
CHAPTER 26:
Skin and Nail Biopsy
SHAVE BIOPSY
Step 1: Preoperative Considerations and Preparation
Step 2: Procedure
PUNCH BIOPSY
Step I: Preoperative Considerations and Preparation
Step II: The Procedure
INCISIONAL AND EXCISIONAL BIOPSIES (ELLIPTICAL BIOPSIES)
Step 1: Preparative Considerations and Preparation
Step 2: Procedure
OTHER TYPES OF SKIN BIOPSY
COMPLICATIONS OF SKIN BIOPSY
MUCOSAL BIOPSY
Indications
NAIL BIOPSY
Indications
Contraindications
NAILBED BIOPSY
Step 1: Preoperative Preparation of the Patient
Step 2
Step 3: Punch Biopsy of the Nailbed
NAIL MATRIX BIOPSY
Step 1 and step 2
Step 3
ENBLOC NAIL UNIT BIOPSY (BIOPSY OF THE ENTIRE NAIL UNIT)
Steps 1 and 2
Step 3
Step 4
Complications
CHAPTER 27:
The Integumentary System
SKIN
Functions of Skin
THE NAILS
THE HAIRS
SEBACEOUS GLANDS
Arrector Pili Muscle
Apocrine Sweat Glands
Sweat Glands
BLOOD VESSELS
NERVES
Regional Differences in Skin
Microanatomy of Skin
Stratum Germinativum
Stratum Spinosum
Stratum Granulosum
Stratum Lucidum
Stratum Cornium
Pigmentation of Skin
Dermis
Hair
Hair Follicles
Hair Structure
EMBRYOLOGY
CHAPTER 28:
Laser Hair Removal
PRINCIPLE
HAIR CYCLE
TYPES OF LASERS
DIODE
694 NM RUBY LASERS
755 NM ALEXANDRITE LASERS
EXOGENOUS CHROMOPHORE
ND: YAG
PATIENT SELECTION
Preparation Before Treatment
Side Effects
Patient Expectation and Outcome
CHAPTER 29:
Electrosurgery with Radio-Frequency Current)
HISTORY
ELECTROSURGERY
RADIOFREQUENCY
Mode of Action
Collateral Thermal Damage
Cold-Ablation
Indications for RF Surgery
RF Surgery
Important Things to Remember While Operating RF-Unit
Advantages of RF Surgery Over Cautery and Scalpel
CHAPTER 30:
Iontophoresis
INTRODUCTION
PRINCIPLE
IONTOPHORESIS MECHANISM AND DEVICES Fig. 30.1)
Advantages
Disadvantages
Factors Affecting Iontophoresis
Current
Physicochemical Variables
Formulation Factors
Drug Concentration
Ionic Strength
pH
Viscosity
Biological Factors
Reverse Iontophoresis
Dermatologic Applications of Iontophoresis
Hyperhidrosis
Anesthesia (Fig. 30.2)
Vitiligo
Scleroderma
Lymphedema
Hyperkeratosis with Fissuring of Palms and Soles
Psoriasis
Patch Testing
Sweat Test
Drugs Delivery
CONCLUSIONS
CHAPTER 31:
Laser Treatment for Pigmented Lesions
ND: YAG LASER
Lentigines
Café-au-lait Macules
Becker's Nevus
Postinflammatory Hyperpigmentation
Melasma
The 510 nm Pulsed Dye Laser
Alexandrite Laser
Tattoos
CONCLUSION
CHAPTER 32:
Laser Treatment for Vascular Lesions
BASICS OF LASER
DOSIMETRY AND LASER CHARACTERISTICS
LASER TISSUE INTERACTION
PULSED VERSUS CONTINUOUS WAVE LASERS
COMMON VASCULAR LESIONS AMENABLE TO LASER TREATMENT (TABLE 32.2)
Port-wine Stains
HEMANGIOMAS
TELANGIECTASES
PYOGENIC GRANULOMA
ANGIOFIBROMAS
Clinical Technique
Complications
INDEX
TOC
Index
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