Index

Dermoscopy: Text and Atlas Subrata Malakar, Purva Mehta, Priya Diwaker, Samipa S Mukherjee, Sushrut Save, Anjali Pal, Surit Malakar

CHAPTER 1:Dermoscopy: A Window into Epidermis and Dermis
- INTRODUCTION
CHAPTER 2:Dermoscopy: A Missing Link between Clinical Dermatology and Histopathology
- INTRODUCTION
- IMPORTANCE OF DERMATOSCOPY
CHAPTER 3:The Dermoscope
- INTRODUCTION
- WORKING PRINCIPLE OF THE DERMOSCOPE
- COMPONENTS OF A DERMOSCOPE
- TYPES OF DEVICES
- DERMATOSCOPY IMAGE CHARACTERISTICS AND DIFFERENCES AMONG COMMONLY USED STANDARD DERMATOSCOPES
- DIGITAL IMAGING AND DERMOSCOPY
- CHOICE OF THE INSTRUMENT
- POINTS TO BE BORNE IN MIND WHILE PRACTICING DERMOSCOPY IN VIVO6
- TAKING A GOOD QUALITY IMAGE
- STORAGE OF DIGITAL IMAGES
CHAPTER 4:Recognition of Patterns
- INTRODUCTION
- DERMOSCOPIC STRUCTURES
- INTRODUCTION
- PRELIMINARY GROUNDWORK
- WHITE STARBURST PATTERN1,2
  - Dermoscopy: Histopathology Correlation
- PALISADE PIGMENTATION PATTERN
- BOUQUET OF WHITE ROSES PATTERN
- ROAD TO BOUQUET OF WHITE ROSES
- RED STARBURST PATTERN
- CLOUDY SKY PATTERN7
CHAPTER 5:Dermoscopic Dialogues
- ARBORIZING VESSELS: SCHEMATIC
- BLOTCHES
- BLUE-GRAY BLOTCHES (BLUE-GRAY OVOID NESTS)
- BLUE-WHITE VEIL
- CEREBRIFORM PATTERN (BRAIN-LIKE APPEARANCE)1,2
- CHRYSALIS STRUCTURES (CRYSTALLINE STRUCTURES)
- COBBLESTONE PATTERN1
- COMEDO-LIKE OPENINGS1,2
- COMMA VESSELS1–3
- CROWN VESSELS1
- DOTS
- DOTTED VESSELS1
- FAT FINGERS
- FINGERPRINT-LIKE STRUCTURES1,2
- GLOBULES1
- GLOMERULAR VESSELS
- HAIRPIN VESSELS
- LACUNAE1,2
- LEAF-LIKE AREAS1
- MELANOCYTIC NETWORK
- MILIA-LIKE CYSTS
- MOTH-EATEN BORDER1
- MULTICOMPONENT PATTERN1
- NEGATIVE PIGMENT NETWORK1,2
- PEPPERING1
- PSEUDONETWORK1
- POLYMORPHOUS VESSELS
- REGRESSION STRUCTURES1,2
- RETICULOGLOBULAR PATTERN
- SPOKE-WHEEL STRUCTURES
- STARBURST PATTERN
  - Dermoscopic Description
- STREAKS1
  - Pseudopods
  - Radial Streaming
- STRING OF PEARL VESSELS1
- STRUCTURELESS AREAS
- TWISTED RED LOOPS1
- WICKHAM STRIAE
- WOBBLE SIGN1
CHAPTER 6:Color Concept through Dermoscopy
- INTRODUCTION
- THE MELANIN MODULE
- CONCLUSION
- INTRODUCTION
- INTRODUCTION
- INTRODUCTION
- DISCUSSION
- KEYNOTES
- INTRODUCTION
- DISCUSSION
- INTRODUCTION
CHAPTER 7:Papulosquamous Disorders
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1,2
- DISCUSSION
- CASE 1 (FIGS. 3A AND B)
- CASE 2 (FIGS. 4A TO C)7,9
- CASE 3 (FIG. 5)
- CASE 4 (FIG. 6)
- CASE 5 (FIG. 7)
- CASE 6 (FIG. 8)
- CASE 7 (FIG. 9)
- CASE 8 (FIG. 10)
- CASE 9 (FIGS. 11A AND B)
- CASE 10 (FIGS. 12A TO F)2
- CASE 11 (FIGS. 13A AND B)
- CASE 12 (FIG. 14)
- CASE 13 (FIGS. 15A TO C)
- CASE 14 (FIGS. 16A TO C)
- CASE 15 (FIGS. 17A TO C)10
- CASE 16 (FIGS. 18A TO C)
- CASE 17 (FIGS. 19A AND B)
- CASE 18 (FIGS. 20A TO G)
- CASE 19 (FIGS. 21 AND 22)12–18
- CASE 20 (FIGS. 23A AND B)
- CASE 21 (FIGS. 24A AND B)
- CASE 22 (FIGS. 25A TO D)2,19,20
- CASE 23 (FIGS. 26A AND B)
- CASE 24 (FIGS. 27A TO G)
- CASE 25 (FIGS. 28A TO G)21
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 29 TO 34)4,5
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 35 TO 62)1–3
- DISCUSSION
- CASE 1 (FIGS. 35 AND 36)
- CASE 2 (FIGS. 37 AND 38)
- CASE 3 (FIGS. 39 TO 42)
- CASE 4 (FIGS. 43 AND 44)
- CASE 5 (FIGS. 45 AND 46)
- CASE 6 (FIG. 47)
- CASE 7 (FIGS. 48 AND 49)
- CASE 8 (FIGS. 50 AND 51)
- CASE 9 (FIGS. 52 AND 53)
- CASE 10 (FIGS. 54 AND 55)
- CASE 11 (FIGS. 56 AND 57)
- CASE 12 (FIGS. 58 TO 62)
- KEYNOTE
CHAPTER 8:Infectious Dermatoses
- INTRODUCTION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 1 TO 3)1–3
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 4A AND B)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 5 AND 6)
- DISCUSSION
- KEYNOTE
- KEY DERMOSCOPIC FEATURES1
- DISCUSSION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION (FIGS. 8 TO 12)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION (FIGS. 13 TO 16)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 17 TO 19)
- KEYNOTES
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 20 TO 22)
  - Morse Code Hairs7,8 (Figs. 23 and 24)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 25 TO 28)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 29 TO 31)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 32 TO 36)1
- KEYNOTE
CHAPTER 9:Skin Tumors
- INTRODUCTION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 4 TO 33)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1,2
- DISCUSSION
- KEYNOTE
- CASE STUDY (FIG. 34) TO 37)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 38 TO 69)1
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES4,5
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 70 TO 72)1–3
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 73 TO 81)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 82 TO 86)1
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1,2
- DISCUSSION
- CASE 1 (FIGS. 1 TO 4)
- CASE 2 (FIGS. 5 TO 8)
- CASE 3 (FIGS. 9 TO 11)
- CASE 4 (FIGS. 12 TO 16)
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- CASE 1 (FIGS. 17 TO 23)
- CASE 2 (FIGS. 24 TO 26)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 28 TO 31) 1
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES 1 (FIGS. 33 TO 35)
- DISCUSSION
- KEYNOTE
CHAPTER 10:Autoimmune Dermatoses
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 1 TO 7) (PERSONAL OBSERVATION)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1 (FIGS. 8 TO 11)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 13 TO 29)
  - Early Lesions
  - Long-standing Lesions
  - Unclassified
- PERSONAL OBSERVATIONS (FIGS. 17 TO 22)
  - Unclassified
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 31 TO 42)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 45 TO 54)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1
- CASE 1 (FIGS. 57 AND 58)
- CASE 2 (FIGS. 59 TO 64)
- CASE 3 (FIGS. 65 TO 68)
CHAPTER 11:Granulomatous Dermatoses
- INTRODUCTION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES4
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 3 TO 7)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 12 TO 16)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 17 TO 21)
- DISCUSSION
- KEYNOTE
- CASE 1 (FIGS. 17 TO 21)
- CASE 2 (FIGS. 22 TO 25)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 27 TO 29)4,5
- DISCUSSION
- KEYNOTE
CHAPTER 12:Pigmentary Disorders
- INTRODUCTION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES2,3
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES3
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIG. 26)1,2
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (PERSONAL OBSERVATION)
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIG. 33)1
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (BORDERLINE TUBERCULOID LEPROSY) (FIG. 35)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- BASIC PRINCIPLES IN PIGMENTATION
- PATTERN ANALYSIS
- CRITERIA FOR MELANOCYTIC LESIONS
  - Pigment Network and Pseudonetwork
  - Dots and Globules
- DERMOSCOPY OF NORMAL FACIAL SKIN IN DARKER SKINS
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- INTRODUCTION
- KEY DERMOSCOPIC FEATURE
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES
- DISCUSSION
- KEYNOTE
CHAPTER 13:Disorders of Keratinization
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1,2 (FIGS. 5 TO 12)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1,2
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES2 (FIGS. 16 TO 24)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 25 TO 34) 1–8
- DISCUSSION
- CASE 1 (FIGS. 25 TO 27)
- CASE 2 (FIGS. 28 AND 29)
- CASE 3 (FIGS. 30 AND 31)
- CASE 4 (FIGS. 32 TO 34)
CHAPTER 14:Vascular Lesions
- INTRODUCTION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 1B, 1C, 2B AND 3B)3
- DISCUSSION
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 5, 7, 9, 11 AND 12) 3,4
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 14, 15, 17 AND 19)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIG. 21)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 23, 24, 26, 28 AND 29)2,3
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIG. 31)1,2
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 34 TO 37)2
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES1
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 40 TO 45)5
- DISCUSSION
CHAPTER 15:Dermoscopic Surprises
- INTRODUCTION
- CASE 1
- DISCUSSION
- CASE 2
- DISCUSSION
- CASE 3
- DISCUSSION
CHAPTER 16:Miscellaneous Dermatoses
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 1A TO D)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 2 TO 6)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 7 AND 8)1
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURE
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 12A TO D)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 13A TO C)4,5
- DISCUSSION
- KEYNOTES
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 14A TO C)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 15 TO 17)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 18 AND 19)
- DISCUSSION
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 20 AND 21)
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 22A AND B)
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 23A TO C)1
- DISCUSSION2
- KEYNOTE
- INTRODUCTION
- KEY DERMOSCOPIC FEATURES (FIGS. 24A TO C)
- DISCUSSION
- KEYNOTE
CHAPTER 17:Dysplastic Nevi
- INTRODUCTION
- DERMOSCOPIC FEATURES1–7
- TWO COMPONENTS
CHAPTER 18:Dermoscopy in Diagnostic Dilemmas
- INTRODUCTION
- CASE 1
  - Clinical Differentials
  - Final Diagnosis
- CASE 2
  - Clinical Differentials
  - Final Diagnosis
- CASE 3
  - Clinical Differentials
  - Final Diagnosis
- CASE 4
  - Clinical Differentials
  - Final Diagnosis
- CASE 5
  - Clinical Differentials
  - Final Diagnosis
- CASE 6
  - Clinical Differentials
  - Final Diagnosis
- CASE 7
  - Clinical Differentials
  - Final Diagnosis
- CASE 8
  - Clinical Differentials
  - Final Diagnosis
- CASE 9
  - Clinical Differentials
  - Final Diagnosis
- KEYNOTE
CHAPTER 19:Dermoscopy in Therapeutic Monitoring and Follow-up
- INTRODUCTION
- KEYNOTES
CHAPTER 20:Algorithms

INDEX

ABCDEFGHIJKLMNOPRSTUVWYZ

Page numbers followed by b refer to box, f refer to figure and t refer to table

Acetowhite test 153

Achromic/hypochromic lesion 165

ACLE See Acute cutaneous lupus erythematosus

Acquired immunodeficiency syndrome 405

Acute cutaneous lupus erythematosus 260

Adnexal openings, nonpigmented 61f

Allergic contact dermatitis 135f

Alopecia

over scalp, diffuse nonscarring 299f

patches of 168f

Anetoderma 419

Angiokeratoma 399

diagnostic of 417, 418

solitary 27f

Angioma serpiginosum 27, 401, 401f

Annular brown pigmentation, peripheral 131f

Apple-Jelly sign 313

Arthroconidia 168

Ash leaf macule 342

Atrophic scars 406

white 407f

Atrophy, epidermal 285f

Auspitz sign 2, 132, 455

dermoscopic 132, 138f–140f, 461, 462f

Autoimmune disorder 287

Basal cell carcinoma 38f, 43, 56f, 63, 64f, 80f, 239, 242f, 244f, 415, 416f, 435, 435f, 460

arborizing vessels, non-pigmented 38f

diagnostic of 415

nodular 25f

noduloulcerative pigmented 244f

nonpigmented 248

pigmented 239, 242f

Basaloid cells 40

nests of 416f

Becker melanosis 358

Becker's nevus 358, 358f

dermoscopic features of 358f

Becker pigmentary hamartoma 358

Black lamella 447

Blisters 260

Blood spots 257, 258f

central 415

Blue nevus 15f

Blue-gray

blotches 40, 40f

dots/globules 239, 241f

ovoid nests 40, 239, 240f, 246f

Blue-white veil 16, 41

Borderline tuberculoid leprosy 344, 344f

Bowen's disease 53f, 182, 183f

Bowenoid papulosis 153

Brain-like

appearance 42

structures 208b

Brown amorphous area 445

Brown black follicular plugging 443

Brown dots and globules 423f

Bullous pemphigoid 125f

Burning sensation over face 172f

Butterfly rash 296f

Calcineurin inhibitors 172f

Callus 85

dermoscopy of 159f

Capillary loss 264, 265f

Capillary malformations 380, 389

Central homogeneous pigmentation 459f

Central keratin 257, 258f

vessels 413f

Central keratotic plug 366

Central white

network 189f, 191f

scar-like

area 79f

patch 188f, 189f

structure 196f

Cerebriform pattern 42, 207

Cheilitis ulcers 260

Chromophore hemoglobin 75

Classic white scar-like patch 190f

Clavus 85

Clear cell acanthoma 22f, 53

CLOs See Comedo-like openings

Cloudy sky pattern 230, 231f

CMN See Congenital melanocytic nevi

Cobblestone pattern 44, 223f

Collarette scaling, typical 129f, 131f

Colloid milium, pigmented 350

Comedo-like

openings 45, 207, 208b, 209f, 210f, 211f, 212f, 279f, 281f

structures 195f

Comma hairs, multiple 169f, 185f

Comma vessels 46, 46f, 318f, 319f

Complete delicate pigment network 187f, 188f

Complete pink-brown homogeneous dermatofibroma 198f

Complete white

network pattern 190f

scar-like patch 191

Condylomata lata 153

Congenital melanocytic nevi 80f, 358

Contact dermatitis, pigmented 353

Corn revealed central core, superficial paring of 160f

Cosmetic dermatitis, pigmented 353, 354f

Cribriform, progressive 421

Crown vessels 47

Crystalline structures 43

Cuboidal epithelial cells 36f, 232f

Cutaneous sclerosis, plaques of 287

Cystic

dilatations 226

lesions, vessels-free 227

Cysts

dermal 227

keratinous 235

milia-like 195f, 207, 208b, 211f, 235, 236f, 461f

Darier's disease 359

Darier-White disease 359

De novo melanoma, developing 447

Deep perivascular lymphocytic infiltrate 312f

Demodex

brevis 172

folliculorum 172, 254, 255f, 256f, 316f

mites, high density of 172

tails of 172, 467f

white spicules of 175f, 467f

Demodicosis 172

Dermal fibrocytes, number of 185

Dermal fibrosis, diffuse 34f

Dermal-epidermal junction 347

Dermatitis 95

stasis 53

Dermatofibroma 43f, 79f, 185, 186t, 190f, 192f, 195f

central seborrheic keratosis like 194f

dermoscopic patterns of 186t

multicomponent pattern of 192f

Dermatomyositis 264, 264f

Dermatoscope 4

application of 182

Dermatoscopy 2, 5

Dermatoses 419

annular 114f

autoimmune 260

granulomatous 302

infectious 148

papulosa nigra 148

Dermis, superficial 382f

Dermoepidermal junction 14, 15, 48, 65

Dermoscope 4, 58f

components of 4

achromatic lens 4

inbuilt illuminating system 4

power supply 4

working principle of 4

Dermoscopic dialogues

blotches 39

blue-gray blotches 40

blue-white veil 41

cerebriform pattern 42

chrysalis structures 43

cobblestone pattern 44

comedo-like openings 45

comma vessels 46

crown vessels 47

dots 48

dotted vessels 49

fingerprint-like structures 52

fingers 51

globules 52

glomerular vessels 53

lacunae 55

leaf-like areas 56

melanocytic network 56

milia-like cysts 58

moth-eaten border 59

multicomponent pattern 59

negative pigment network 60

peppering 60

polymorphous vessels 62

pseudonetwork 61

regression structures 62

reticuloglobular pattern 63

spoke-wheel structures 63

starburst pattern 64

streaks 65

structureless areas 66

twisted red loops 67

Wickham striae 68

Wobble sign 69

Dermoscopic structures

cobblestone pattern 15

dots and pigmented globules 14

homogeneous pigmentation 15

multicomponent pattern 16

parallel pigment pattern 13

pigment network 11

streaks 15

Dermoscopy 1, 2, 6, 44f, 83f, 132, 167f, 212f, 216f, 252f, 265f, 270f, 296f, 297f, 326, 333, 346, 362f, 378f, 391f, 406, 445, 465f

cloudy sky pattern 35

demonstrates

diffuse pigmentation 120f

ivory-white homogeneous 234f

highlights color of tattoo 430f

jet black color 90t

melanocytic patterns 11

nails 299f

non-polarized 93

notable patterns 29

orange hue 90t

palisade pigmentation pattern 30

polarized 93

preliminary groundwork 18

rainbow pattern 92

red starburst pattern 34

red/pink hue 90t

vascular patterns 18

wet and dry 6

white shiny structures 79

white starburst pattern 29

yellow and orange color 85

Diabetes mellitus 318, 319f

Dirty dermatoses, group of 444

Discoid eczema 461

Discoid lupus erythematosus 30f, 34f, 64, 267, 268f, 270f, 295

advanced lesion of 269f

Dotted vessels 22f, 49, 96f

Drug hypersensitivity reactions 441

Dyskeratosis 368f

Dyspareunia 379f

Dysplastic nevi 64, 447, 448

multicomponent 448

Eccrine

hidrocystoma 227

poroma 53

sweat duct 227

Ectothrix parasitization 169f

Ectothrix tinea capitis 168

Eczema

discoid 456

nummular 85

Endothrix fungus infection 168f

Epidermal hyperplasia, mild 216f

Epidermal keratinization, disorder of 374

Epidermis 185

protrusions of 51

Epithelioid cells 307f

Erosions 260

Erythema 102f, 311f

generalized 302

mild 446f

multiforme 425

lesion, classical 425f

peripheral 399

Erythematous

annular

lesions 308f

plaque 462f

brownish macules over trunk 446f

excoriated papules, multiple 178f

hue 77f

macules 260f

papular rash on arms 260

papule 260f, 366, 382f

plaque

and scaling 135f

slow growing 183f

Erythrocyte 404f

extravasation 401

perifollicular extravasation of 268

Erythroplasia of Queyrat 153

Exophytic papillary pattern 221f

Facial

erythema 264f

hairs

infundibulum of 467f

trichoscopy of 173f

lesions 61f

pigmentary demarcation line, dermoscopy of 353f

Fascia 292f

Fat fingers 51f, 213f

like structures 213f, 214f

Favre-Racouchot syndrome, part of 443

Fibrotic beams 287, 290f

dermoscopy reveals 288f

Fine short linear vessel 255f

Finger-like

pattern 153

projections 152

Fingerprint-like structures 208b, 214f, 215f, 423f

Fissures 138f

multiple 42f

Flat topped skin-colored papules, multiple 236f

Follicular plugging 270f, 273f, 285f, 297f

dermoscopy reveals 270f

prominent 275f

Follicular red dots 268

Follicular sparing 354f

Fordyce's spots 427

Fungal

hyphae 168

infection 168

Genital

lesions 154f

dermoscopy of 329f

lichen sclerosus et atrophicus 327f

pyogenic granuloma 154f

warts, dermoscopy of 154f

Genitalia, male 115f

Giant cells 307f

Glans penis 104f

Globules, peripheral 447

Glomerular vessels 26f, 53f, 182, 408f, 409f

patchy distribution of 183f

Glucose transporter-1 380

Granuloma annulare 308, 310f

Granulomatous diseases 85

Greasy brown papules over seborrheic areas 360f

Grover's disease 366

Guttate hypomelanosis, idiopathic 321, 322, 450

Guttate psoriasis 142f, 143f

Gyri of brain 42f

Hailey-Hailey disease 362, 468f

dermoscopy of 372f

Hairpin vessels 23, 24f, 54f, 152, 207, 208b, 221f, 385f

peripheral 413f

Hairs

block 168

broken 168

casts 168

comma 168, 169f

corkscrew 168, 169f, 171f

density, loss of 471f

follicles 185, 447

targetoid 257, 433

loss, diffuse 470f

Hairy epidermal nevus, pigmented 358

Hairy melanocytic nevus 458

Hemangioma 1, 27

lobular capillary 383

Hemorrhage 464f

cuticle 264, 265f

focal 208b

Hemorrhagic crust 399, 401

central 403f

Hemosiderotic hemangioma, targetoid 406

Herniated saclike skin 419

Hidrocystoma, apocrine 226

Highly polymorphous vascular structures 257

Histiocytes 307f

Homogeneous

blue pigmentation 15f

brown-gray pigmentation 185f

opacity 159f

Honeycomb pattern 57f

Human hair follicle 172

Hygroma, cystic 394, 395f

Hyperchromatic nuclei 416f

Hyperglobulinemic purpura 441

Hypergranulosis 464f

Hyperkeratosis 110f, 274f, 302, 464f

orthokeratotic lamellated 217f

Hyperkeratotic annular plaque 376f

Hyperkeratotic itchy plaque 122f

Hyperpigmentary disorders 6

Hyperpigmentation 346

grayish homogeneous 424

Hyperpigmented lesion, slow growing 460

Hyperpigmented plaque 103f

asymptomatic 288f

Hyperplasia, epidermal 34f, 216f, 220f

Hypertrophic lesions, dermoscopy of 113f

Hypopigmentary disorders 6

dermoscopy of 321

Hypopigmented patch 427f, 440f

Hypopyon-like structures 397f

Iceberg pattern 369f

I-hairs 168, 170f

Infantile hemangioma 380, 381f

precursors 381

Infectious skin diseases, diagnosis of 148

Interstitial lymphocytic infiltrate 292f

Itchy lesions over left foot, moderately 109f

Itchy plaque 122f

Ivory white areas 407

Juvenile xanthogranuloma 35, 85, 89f, 431

Kaposi's sarcoma 92, 405

Keratin

crusts 415

cysts 237f

dermoscopically 257

Keratinization, disorders of 359

Keratinocytes, degeneration of 437

Keratoacanthoma 23, 53, 203, 205f, 257

diagnosis of 412

Keratosis 153

follicularis 359

pits and punctate 361f

Keratotic halos 149f

Keratotic papules and plaques, hyperpigmented 452f

Knoblike patterns 153

Lacunae 21t, 27, 403f

blood filled 55f

dark 399

dermoscopy reveals 401

groups of 403f

red 397f, 398f, 399

yellow-white 397f, 407, 410f

Langhans giant cells 318f

Large white keratotic halos 464f

Late discoid lupus erythematosus 270f

Leishmaniasis, cutaneous 302

Leprosy 344

Lesions

after Grattage test 167f

caviar-like 350

cover surface of 218f

depigmented 333

dermoscopy of 376f, 436f

early 267

granulomatous 85

hyperkeratotic nature of 110f

hypertrophic 113f

hypopigmented 337, 344

long-standing 267

multiple annular 378f

non-melanocytic 54

papular 113f, 205f

reveals hyperpigmented border 457f

vascular morphology of 1

vitiliginous 333

Leukocytoclastic vasculitis 441

Lichen plano pilaris 470f

Lichen planus 68f, 97, 99f, 104f–106f, 111f, 112f, 122f, 153

annular 115f, 466f

background color 98b

blisters develop atop lesions of 125f

classical 101f

dermoscopic features 97

dermoscopy of 465f

hyperkeratotic 111f

hypertrophic 32f, 112f, 452

lesions of 122f, 467f

like keratosis 218f

linear 118f, 119f

mucosal 102f

oral 103f

pemphigoides 125f

pigment patterns of 98b

pigmentosus 121f, 355, 355f

inversus 355

plaque of 102f

special patterns 98b

vascular patterns of 98b

Lichen sclerosus 278

et atrophicus 326

extragenital 85, 284f

Lichen simplex 109f, 122f

chronicus 452

Lichenoid interface vacuolar dermatitis 285f

Lichenoid lymphocytic infiltrate 285f

Lichenoid papules 121f

typical 121f

Lichenoid reaction, tattoo ink-induced 430

Light emitting diodes 4

Limbs, flexural surfaces of 99f

Linear

branching vessels 278, 287, 325f

pigmentation 106f

Wickham's striae 106f

Lips, vermillion border of 427

Livedoid vasculopathy 406, 407f

advanced stage of 410f

dermoscopy of 408f

Lobules, yellow-white 228f

Lower epidermis/dermoepidermal junction 71f

Lupus

erythematosus, cutaneous 260

miliaris disseminatus faciei 433

sarcoidosis 344

vulgaris 313, 344, 434f

Lustre, mica-like 218f

Lymphangioma 395f

cavernous 394, 395f

circumscriptum 394, 395f

cutaneous 85, 394

dermoscopy of 89f

Lymphatic malformations 380

Lymphatic system, anomalies of 395f

Lymphocytes

deep perivascular infiltrate of 263f

granuloma consists of 307f

lumps of 254

Macular lesions, depigmented 451f

Malar eruption 260

Maple leaf-like structures 239, 240f, 246f

Mastocytosis, cutaneous 85, 445

Melanin

dermoscopic color detection of 70

laden melanocytes 41

module 70, 71f, 73f

concept of 71

Melanocytes 12f, 185

number of 321

Melanocytic

hamartoma, dermal 356

lesion 14f, 54, 346

neoplasm 393, 394f

network, normal 12f, 57f

nevi, congenital 80f

nevus 44f, 73f, 74f, 212f, 333, 406, 458

compound 46f

patterns 11

proliferations, benign acquired 447

Melanoma 25, 43, 448, 449b

Melanophages 41

Melanosis, frictional 444

Melasma 348, 350t

area severity index 5

dermal 350

epidermal 348, 350

mixed 350

ochronosis 350

treatment, complication of 348

types of 350

Mica-like structures 208b, 218f

Microcystic lymphatic malformation 396f, 397f

dermoscopy of 395f

Microsporum 168

canis 168

Milia 39f, 85, 435

diagnosis of 435

multiple large and small 58f

Milky white macules, multiple 327f

Mimics dermatofibroma 406

Molluscum contagiosum 24f, 161, 161f, 162f, 163f, 164f, 411

lesions 81f

Morphea 287

superficial 287, 289f

Morse code hairs 168, 170, 170f

Moth-eaten border 59f, 207, 208b, 209f

Mycobacterium tuberculosis 313

Mycosis fungoides 254

early 441

Myxoid stroma 383

Nasal ala 434f

Necrobiosis lipoidica 318

Neonatal prematurity 419

Neoplasms, benign 218f

Nevus depigmentosus 330, 331f

white patch of 331f

Nevus of Ota 356, 357f

Nevus

compound 411

conventional junctional 39

epidermal 378f

Nits on hair shafts, multitude of 176f

Nodular tuberculoid granulomatous inflammation 307f

Nodule

hyperpigmented 242f

solitary 112f

Normal facial skin, dermoscopy of 347, 347f

Notalgia paresthetica 82f, 437, 438f

Oceanic corals, tentacles of 27

Ochre-colored pigment 350

Ochronosis, exogenous 350

Opaque brown pigmentation 208b

Oral retinoids 371f, 469f

Pale yellow globules, clouds of 431f

Palisade pigmentation 30f, 273f, 275f

pattern 30

Palm enhances pits and punctate keratosis, dermoscopy of 465f

Panniculitic morphea 392f

Papillary dermis 14, 40, 51, 156, 256f

melanin in 71f

Papillomatosis 464f

Papules 304

purpuric 406

Papulonodule 435f

Papulosquamous disorders 95, 474

Parallel pigment pattern 13f

Patchy alopecia 169f

Patchy nodular tuberculoid granulomatous 318f

Pearls, string of 49

Pediculosis capitis 176

infestation of 176

Pediculus humanus var capitis 176

Pemphigus, familial benign 367

Penicillamine 419

Periappendageal lymphohistiocytic infiltrate 294f

Perifollicular pigmentation 324f, 335f

Perilesional pigment

network 336f

prominent 325f

Peripheral delicate pigment 201f

network 189f, 191f

Peripheral homogeneous pigmentation 198f

Peripheral reticular

melanocytic network 459f

with central

globules 447

hypopigmentation 447

Photosensitivity 260

Pigmentary

demarcation line 352, 353f

dermatosis, acquired 356

disorders 321, 346

incontinence 83f

Pigmented lesions, dermoscopy of 346

Pigmented patches over bilateral lower limbs 441f

Pilomatrixoma 62

Pityriasis alba 340

Pityriasis lichenoides 142f

Pityriasis rosea 85, 128, 128f

secondary lesions of 129f

typical patch of 130f

Pityriasis versicolor 165, 166f, 167f, 337, 340, 444

demonstrates 337

Pityriasis, fine scale of 338f

Plaque 304

psoriasis 133f

dermoscopy of 132, 133f

Plasma cells 292f, 294f

Polylobular amorphous structure, white-yellowish 162f

Polymorphous interfollicular vessels 266f

enlarged 264

Polymorphous vascular structures 258f

Porokeratosis 374, 379f, 456

diagnosis of 456

histopathology confirmed diagnosis of 458f

Port-wine stain 380, 389, 389f, 391f, 392f, 401f

Postinflammatory process, part of 27

Prurigo nodularis 29, 29f, 64, 122f

Pruritic lesion 374f

Pseudocomedones 362f

Pseudohorn cysts 217f

Pseudonetwork 346

appearance of 61f

pattern 354f

Pseudopods 15, 65

Psoriasis 53, 132, 135f, 137f, 139f, 142f, 144f, 455, 456, 461

area severity index 5

dermoscopic hallmark of 50f

diagnosis of 132, 140f, 147

palmar 137f

palmoplantar 13, 137f, 138f

pustular 144f

treatment modified 452

Purpuric clothing dermatitis 441

Purpuric dermatoses, pigmented 85, 90f, 441

Pustulosis, palmoplantar 140f

Pyogenic granuloma 1, 380, 383, 384f–388f, 463

seven dermoscopic patterns of 383t

shiny red nodule of 387f

Radial projection, gray-blue 64f

Radial streaming 15, 65f, 65, 448f

Rash

malar 295, 295f

mild erythematous 172f

photosensitive 295f

Red blood cell 263f, 406

Red globules and dots 490f

Red homogeneous area 384f, 387f, 388f

Red starburst pattern 34, 261f, 271f

Red vessels, arborizing 250f

Reticular

dermis, interstitium of 312f

pigment, normal 333

Reticuloglobular pattern 63f

Riehl's melanosis 353

Rosettes 235, 246f

Sarcoid

papular 82f

papule of 307f

Sarcoidosis 304, 434f

cutaneous 304

Scabetic nodule 180f

Scabies 178

dermoscopy of 178

Scales

over homogeneous brown background, reticular pattern of 200f

removal of 137f

Scalp 163f, 364f

psoriasis 22f, 141f

Scattered melanophages 83f

Sclerosis, dermal 408f

Sclerotic stroma 36f, 231f

Scurvy 441

Sebaceous gland 47f, 48f

hyperplastic 228f

multiple 48f

periphery of 47f

Sebaceous hyperplasia 24f, 85, 87f, 228, 229f, 435f

dermoscopy of 228

Seborrheic capitis, diagnosis of 176

Seborrheic dermatitis 53, 67f, 85, 88f

Seborrheic keratosis 51, 58f, 148, 203, 207, 208b, 209f, 210f, 212f–221f, 411, 458, 460

combination of 216f

early 215f

exophytic papillary pattern of 221f

fat fingers 51f

lesion 58f

like dermatofibroma 194f, 195f, 201f

peripheral 197f, 201f

Senile comedones 443, 460

Short hairs, bending of 169f

Silvery white scales 133f, 136f

Single hair-bearing follicles 300f

SK See Seborrheic keratosis

Skin

asymptomatic hyperchromia of 351f

benign tumors of 182

colored flat topped lesions 235

diseases, granulomatous 302

lesions

asymptomatic 304f

dermoscopic diagnosis of 473

malignant tumors of 239

scrapings 174f

tumors 182

Small blood vessels 394

Small brown globules 184f

Soft tissue foreign bodies 429

Solar

elastosis 85, 86f

lentigines, fingerprint-like structures of 52f

lentigo 214f, 218f

Solitary dermatofibroma over forearm 192f

Solitary enlarging erythematous infiltrated plaque 314f

Spider angioma 76f

Spitz nevus 43

Squamous cell carcinoma 25, 62, 203, 250f, 257f

invasive 53, 257

Stasis pigmentation 441

Stratum

corneum 71f

spinosum 48

Streptococcal infection 142f

Subpapillary plexus 389, 390f

Sugar granules 428f

Superficial lymphatic malformation 394

Suprabasal acantholysis 368f

Sweat duct tumors 230

Syringoma 35f, 230, 230f–232f

dermoscopy of 35f

over chin demonstrates 233f

Systemic lupus erythematosus 260, 295, 295f, 296f, 299f, 470f, 471f

Systemic retinoids 387f

Tadpole shaped ducts 36f, 232f

Tattoo 85, 430f

cutaneous reactions to 430

yellow 85

Tears, yellow 302

Telangiectasia 34f, 270f, 445

combination of 34f

eruptiva macularis perstans 445

fine-focused 313, 315f, 316f, 317f

Telangiectatic vessels 193f, 250f, 267

arborizing 416f

Terra firma-forme dermatosis 444

Thick white scales 273f

Tinea capitis 168, 168f, 170f, 171f

Tinea corporis 171

Tinea manuum 171

Tongue

dermoscopy of 93f

dorsum of 123f

Topical steroid 107f, 172f

Transient acantholytic dermatosis 366

Transverse white bands hairs 168

Trichoepithelioma 235, 238f

Trichophyton schoenleinii 168

Trichoscopy, polarized 170

Tuberous sclerosus 342

Tumors

adnexal 416, 435, 463

common cutaneous 185

Ulceration, central 302

Ulcers, mouth 260

Ultraviolet dermoscopy 170

Vascular dermoscopic patterns 21

Verruca plana 156

dermoscopic sign of 156

fleshy skin-colored macules of 156f

Verruca vulgaris 148, 149f, 412, 463

Vessels

arborizing 21, 25, 37, 37f, 38f, 227, 235, 248

arrangement of 21t

comma 21, 23

coral 21, 27

corkscrew 21, 26

crown 21, 24

description of 21t

dotted 21

glomerular 21, 26

grape-like 208

hairpin 21, 23

linear irregular 21, 26

pattern of 21, 21t

polymorphous 21, 28, 383

spermatozoa-like 254

Violaceous homogeneous pigmentation 196f

Vitiligo 333, 427f

dermoscopy of 334f

patch 335f

Warts 463

anogenital 93f

common 148

conglomeration of 158f

filiform 54f, 152, 152f

genital 153, 153f, 155

mosaic 158f

papillomatous 153

periungual 151f

plane 156

plantar 157, 157f

Warty papules 361f

over lower limb 378f

Weeping lesions over body folds 367f

White collarette 384f, 385f, 387f

White fibrotic beam 287

White patch

central star-like 193f

over neck 451f

White rail line 384f, 387f

White reticular streaks 317f

White roses pattern, bouquet of 31, 113f

White scales 261f

White shiny structures 79, 80f, 261f, 269, 273f, 275f, 280f, 285f, 287, 314f

White starburst pattern 29f, 275f, 302

White streaks and globules 199f

White structureless area 257, 258f, 280f, 282f, 283f, 285f

White track appearance 457f

Whitish veil 399

Wickham's striae 97, 102f, 105f, 110f, 122f, 455, 466f

demonstration of 3

determines 450

globular 108f

morphological patterns of 97b

patchy reticular pattern of 103f

patterns of 97, 466f

combined 97

globular 97

invisible 97

linear 97

perpendicular 97

radial streaming 97

reticular 97

veil like 97

remnant of 467f

reticular 68f

veil-like 103f, 109f, 122f

Wobble sign, dermoscopic demonstration of 69f

Yellow clod sign 95

Yellow polylobular amorphous structure 161

Zosteriform hyperpigmentation 421

Zosteriform lichen planus 119f, 120f

TOC
Index

Chapter Notes