Index A with patchy, partial regrowth , 207 Acne keloidalis nuchae , 332 pigtail regrowing hairs in , 218 Acquired hair shaft dystrophy Pohl-Pinkus constriction , 212 cicatricial alopecia , 41 regularly coiled hairs , 206 lichen planopilaris , 288 short damaged hair , 211 Acquired trichorrhexis nodosa , 163, 164 tapered hairs , 212, 215 Actinic keratosis (AK) trichorrhexis nodosa , 211, 216 nonpigmented , 422 trichoscopic features , 205, 206, 219 pigmented , 423 tulip hairs in , 216 Addison’s disease , 484, 492 upright regrowing hairs in , 217 AGA . See Androgenetic alopecia (AGA) vellus hairs in , 218 Air bubbles in vivo re fl ectance confocal microscopy (RCM) , 219 heavy vs. light pressure on dermoscope , 130 yellow dots , 57–60, 208, 209 in immersion fl uid , 129 zigzag hairs in , 216, 217 AK . See Actinic keratosis (AK) Alopecia areata incognita , 231, 246, 251 Algorithms dark lines in , 254 androgenetic alopecia , 453, 454 regrowing hairs , 252, 253 3-A system , 453–455 S-shaped hairs , 252, 253 cicatricial alopecia , 455 tadpole-like hairs , 253 clinical trials , 453 yellow dots , 62, 252, 254 differential diagnosis of , 453–455 Alopecia groenlandica . See Traction alopecia erythema , 456 Alopecia mucinosa monitoring , 454 general medicine , 488 noncicatricial alopecia systemic lymphoproliferative diseases , 476 diffuse , 454 Alopecia totalis , 207 focal , 455 Amicrobial pustulosis scaling , 456 in discoid lupus erythematosus , 92, 314 scalp psoriasis , 454, 456 general medicine , 485, 486 two-step method , 453 Amorphous hair residues, in trichotillomania , 268 VSCAPSI , 454, 456 Amorphous yellow areas in dissecting cellulitis , 88 Alopecia areata , 200 Anagen ef fl uvium alopecia totalis , 207 acute hair miniaturization , 246 in Asian patients , 433–437 alopecia areata incognita , 246, 251–254 black dots , 47, 50–52, 210 chemotherapy-induced alopecia , 246–249 broken hairs , 206, 211, 212 drug-induced hair loss , 245, 246 in children , 403, 406 loose anagen syndrome , 245, 248, 249 chronic , 205 short anagen syndrome , 245–246, 250 dark skin phototypes , 441, 444, 445 Androgenetic alopecia (AGA) dry trichoscopy vs. immersion fl uid , 128 algorithms , 453, 454 hair shafts Asian patients , 433, 437 broken hairs in , 20 clinical trials , 221, 224, 227 exclamation mark hairs in , 25 dark skin phototypes , 441, 443 monilethrix-like hairs in , 23 differential diagnosis , 222 pigtail hairs in , 28 female , 223, 233 tapered hairs in , 24 frontal and occipital areas , 227, 233 trichoclasis , 19 hair shaft thickness heterogeneity , 17, 221, 224 trichoptilosis in , 18 hair transplantation , 347–350 of variable thickness , 215 honeycomb pigmentation , 81, 222, 231 micro–exclamation mark hairs in , 213, 214 lichen planopilaris mimicking , 281 monilethrix-like hairs , 212, 213 male pattern hair loss , 223 monilethrix-like phenomenon , 149, 150 monitoring , 221, 224, 227 monitoring treatment ef fi cacy , 459, 464 monitoring treatment ef fi cacy , 459 L. Rudnicka et al. (eds.), Atlas of Trichoscopy, 495 DOI 10.1007/978-1-4471-4486-1, © Springer-Verlag London 2012 496 Index Androgenetic alopecia (AGA) ( cont.) nodular nonpigmented , 425 one-hair follicular units , 43, 222, 226, 227 super fi cial , 425 peripilar sign in , 82, 229, 230 Benign melanocytic tumors pinpoint white dots , 69 basal cell carcinoma , 411 senescent alopecia , 234 blue nevi , 411, 414 thin wavy hair in , 231 eclipse nevi , 413 trichoscopic features , 222, 232, 238 scalp nevi , 411–413 vellus hairs , 36, 221, 225, 226 Bentley-Phillips, B. , 22 yellow dots , 48, 49, 60, 61, 222, 228, 229 Björnstad, RT , 167 Angiosarcoma , 427, 428 Björnstad syndrome , 167 Anthralin therapy, dark skin phototypes , 444 Black dots , 47, 48 Aplasia cutis congenita , 198, 199 in alopecia areata , 50–52, 210 in children , 403 artifacts , 133, 135, 139 Apple-jelly sign, sarcoidosis , 490 in Asian patients , 433–435 Arborizing vessels chemotherapy-induced alopecia , 247 in hair transplantation , 347, 349 in congenital hypotrichosis , 55 longstanding systemic sclerosis , 484 in dissecting cellulitis , 55, 334 seborrheic dermatitis , 375 in monilethrix and monilethrix-like congenital hypotrichosis , 56 thick, discoid lupus erythematosus , 304–308 on re fl ectance confocal microscopy , 56 thin , 101, 114, 375 tinea capitis , 363 Artifact, hair shaft , 129, 132 in trichomalacia , 54 Asian patients in trichoscopy , 71 alopecia areata , 433–437 in trichotillomania , 53–54, 270 androgenetic alopecia , 433, 437 Blister, autoimmune bullous diseases , 396 Asian skin , 433 Bloch-Sulzberger syndrome , 197, 198 black dots , 433–435 Block hairs , 38 broken hairs , 434, 435 Blood extravasations contact immunotherapy , 433, 437 monitoring treatment ef fi cacy , 462 normal vertex scalp , 434 scalp psoriasis , 386 pigmented contact dermatitis , 437 Blood vessels , 121 short vellus hairs , 433, 436 arborizing vessels tapering hairs , 435 thick , 101 trichoscopic images , 433 thin , 101 vitiligo , 436 arrangement of , 95, 96 yellow dots , 434–436 blood extravasations from capillaries (splinter hemorrhages) , 102 Autoimmune bullous diseases comma vessels , 98 blister , 396 concentric perifollicular vessels , 102 Brunsting-Perry type pemphigoid , 391, crown-like arrangement , 105 392, 395 dotted vessels , 98, 99 cicatricial alopecia , 395, 397 dry trichoscopy vs. immersion fl uid , 127 dermatitis herpetiformis , 392, 397 folliculitis decalvans , 324–326, 328 dotted vessels , 394 glomerular (coiled) vessels , 104 elongated blood vessels , 394 hairpin (linear looped) vessels , 99, 100 epidermal detachment , 398 in healthy individual , 114 fried-egg sign , 392, 396 healthy scalp , 98, 107 pemphigoid , 391 heavy vs. light pressure on dermoscope , 131 pemphigus foliaceus , 391, 393 helical vessels , 103 pemphigus vulgaris , 391, 392 hemangioma , 107 polygonal white lamellar structures , 395 lace-like vessels , 104 scalp lesions , 391, 392 lichen planopilaris , 290–292 trichoscopy of , 392 milky red globules , 103 white lamellar structures , 394 red areas , 91 yellow dots , 394, 396 in scalp tumors , 107 serpentine vessels , 105 straight linear vessels , 100 B thick root-like vessels , 106 Bacterial folliculitis, yellow pustule , 89 trichoscopy , 97 Bamboo hair , 155 . See also Trichorrhexis invaginata vascular structures, visualization of , 95 in Netherton’s syndrome , 27 vessel net , 106 Bands Blue gray dots, dark skin phototypes , 442, 448 hair shafts , 15 Blue nevus, benign melanocytic tumors , 411, 414 pili annulati , 173–175 Blume-Peytavi, U. , 237 Baroni, A. , 320 Borkowska, B. , 4, 5 Basal cell carcinoma (BCC) Bowen’s disease, scalp psoriasis , 388 benign melanocytic tumors , 411 Brittle hair, in trichothiodystrophy , 183 blood vessels , 101, 107 Broken hairs , 181 Index 497 in alopecia areata , 211, 212 Comma hairs , 403, 404 shafts in trichorrhexis nodosa , 162 tinea capitis , 30, 362–364 in trichotillomania , 20, 260–262 Comma vessels , 98 Broom hairs , 40, 263 Common scalp nevi , 411, 412 in cicatricial alopecia , 39 Concentric perifollicular vessels , 102, 291 in noncicatricial alopecia , 39 Congenital hypotrichosis Brown areas , 83 black dots , 55 Brown-gray pigmentation , 243 monilethrix-like , 23, 148, 149 Brown perifollicular discoloration , 222, 229, 230 Congenital syndromes . See Ectodermal dysplasia and brown-violet, in frontal fi brosing alopecia , 298 Congenital trichorrhexis nodosa , 161, 162 follicular units , 111, 113 Contact dermatitis , 377 Brown pigmentation , 243 Contact dermoscope , 3, 4, 121 in discoid lupus erythematosus , 83 Contact immunotherapy, Asian patients , 433, 437 Brown skin discoloration Corkscrew hairs, tinea capitis , 30, 362, 364, 365 in discoid lupus erythematosus , 312 Cosmetic hair fi bers , 138, 139 in lichen planopilaris , 289 Crab lice, parasitic scalp infections , 358 Brunsting-Perry type pemphigoid , 391, 392, 395 Crisóstomo, M.R. , 348 Crohn’s disease , 491 Curled hair shafts , 14 C Cutaneous clefts, dissecting cellulitis , 335 Cadaverized hairs . See Black dots Cutaneous sarcoidosis , 490 Camacho, F , 237 Cutaneous T-cell lymphoma , 394 Carvajal syndrome , 179 general medicine , 487, 488 Central centrifugal cicatricial alopecia , 441, 446 Chemotherapy-induced alopecia , 246–249 agents , 246 D black dots , 247 Dark lines hair shaft , 247 in alopecia areata incognita , 254 monilethrix-like hairs , 150 hair shafts , 37 partial hair regrowth in , 248 Dark skin phototypes Pohl-Pinkus constriction , 247 African American patients , 441, 442 yellow dots , 247, 249 alopecia areata , 441, 444, 445 Chew, A.L. , 295 androgenetic alopecia , 441, 443 Chiang, Y.Z. , 347 anthralin therapy , 444 Children blue gray dots , 442, 448 alopecia areata , 403, 406 central centrifugal cicatricial alopecia , 441, 446 aplasia cutis congenita , 403 characteristics , 441 congenital triangular alopecia , 407 discoid lupus erythematosus , 448, 449 dirty dots , 403, 404 eyebrows , 448 hair casts , 403 Fitzpatrick phototype VI , 442 idiopathic hair casts , 405, 406 folliculitis decalvans , 442, 449 pediculosis , 405 frontal fi brosing alopecia , 442, 448 pediculosis capitis , 403 lichen planopilaris scarring alopecia , 403 acute phase , 447 tinea capitis , 403, 404 classic , 441, 446 trichotillomania , 403, 408 clinical variant of , 442 Cicatricial alopecia , 8, 105, 273, 288 perifollicular distribution , 447 autoimmune bullous diseases , 395, 397 perifollicular pigmented network , 441 in discoid lupus erythematosus , 303, 305, 313, 314 pinpoint white dots , 441–443 fi brotic white dots , 65–67 starry