User:Rich Farmbrough/temp79

zzzzzzzzzzzzz marks the spot abuse acanthosis nigricans acetaminophen acitretin acne acne vulgaris drug-induced acne early-onset acne infantile acne keloidalis nuchae neonatal acne prepubertal acne acne medications keratolytics retinoids sulfur products topical antibiotics acneiform disorders hidradenitis suppurativa hyperhidrosis miliaria perioral dermatitis rosacea acquired lesions acrodermatitis enteropathica acropustulosis of infancy actinic porokeratosis, disseminated superficial (DSAP) actinic prurigo acute febrile neutropenic dermatosis acyclovir Adams–Oliver syndrome adapalene Addison disease hyperpigmentation contact dermatitis aerosols AIDS and HIV infection albinism Albright hereditary osteodystrophy Alezzandrini syndrome skin patch tests allergic contact dermatitis alopecia acquired non-scarring alopecia alopecia areata alopecia areata, nail disorders alopecia mucinosa anagen effluvium androgenetic alopecia syndromes with late-onset hypotrichosis telogen effluvium traction alopecia traumatic alopecia triangular alopecia trichotillomania acquired scarring alopecia congenital, diffuse alopecia early-onset alopecia ectodermal dysplasia (hidrotic) ectodermal dysplasia (hypohidrotic/anhidrotic) congenital, localized alopecia occipital alopecia patchy alopecia drug-induced alopecia Amblyomma americanum anagen effluvium analgesics anaphylaxis Ancylostoma braziliensis Ancylostoma caninum androgenetic alopecia anesthetics, local anetoderma angiokeratoma anhidrotic ectodermal dysplasia animal bites annular erythema anogenital warts anonychia anorexia nervosa-associated skin disorders ant bites anthralin antibiotics endocarditis prophylaxis topical endocarditis prophylaxis topical endocarditis prophylaxis for acne antiepileptics drug reactions to antiepileptics antifungals antihistamines drug reactions to antimalarials antimetabolites (chemotherapy) antiparasitic agents antiperspirants antipruritics antiviral agents aplasia cutis congenita arciform artefactual dermatitis ashy dermatosis aspirin asteatotic (winter) eczema ataxia–telangiectasia athlete’s foot fungus atopic dermatitis atrophy Auspitz sign avobenzone bacterial culture bacterial diseases bamboo hair Bartonella henselae basal cell carcinoma basal cell nevus syndrome Bazex syndrome Bazin disease beaded hair monilethrix Beau’s lines bee stings wasp stings hornet stings benzoyl peroxide BIDS biopsy bites Blaschko lines Conradi–Hunermann syndrome disorders following Blaschko lines epidermal nevus hypomelanosis of Ito nevus comedonicus nevus sebaceus blastomycosis blepharitis blistering distal dactylitis Block–Sulzberger syndrome Bloom syndrome blue nails blue rubber bleb syndrome blueberry muffin baby body lice borreliosis Bourneville disease brachyonychia branchial cleft cyst branchial cleft sinus drug reactions to bromides bulimia nervosa-associated skin disorders bulla bullous congenital ichthyosiform erythroderma bullous disorders bullous impetigo bullous pemphigoid chronic bullous disease of childhood drug-induced erythema multiforme epidermolysis bullosa immunobullous disorders Burow’s solution café au lait macules calcifying epithelioma of Malherbe calcinosis cutis metastatic calcinosis cutis calcipotriene calluses candidal diaper dermatitis candidiasis neonatal infections primary capillaritis capillary malformations Caspary–Joseph spaces cat hookworm cat scratch disease caterpillar dermatitis lepidopterism cellulitis cephalic pustulosis drug reactions to cephalosporins cercarial dermatitis swimmer’s itch cetirizine Chediak–Higashi syndrome drug reactions to chemotherapy chickenpox chiggers chilblains child abuse CHILD syndrome chloral hydrate X-linked chondrodysplasia punctata Christian–Siemens–Touraine syndrome cimetidine Civatte bodies clavus/i cleansers clemastine clinical diagnosis configuration of lesions common dermatoses diagnostic tests primary lesions reaction patterns regional patterns secondary lesions Clouston syndrome Cockayne syndrome Cockayne–Touraine epidermolysis bullosa codeine cold injuries collagen type-7 collagen vascular diseases collodion baby coloration comedonal nevi comedones condylomata acuminata configuration of lesions confluent and reticulated papillomatosis congenital dermal sinus congenital ichthyosiform erythroderma]] - [[CIE congenital lymphedema congenital nevocellular nevi connective tissue nevus Conradi–Hunermann–Happle syndrome contact dermatitis allergic contact dermatitis irritant contact dermatitis corns drug reactions to corticosteroids mid-strength and high-potency corticosteroids systemic corticosteroids oral corticosteroids topical corticosteroids types and strengths of corticosteroids Corynebacterium minutissimum, Wood’s lamp examination cosmetics, contact dermatitis coumadin, drug reactions coup de sabre Cowden disease coxsackieviruses crab lice creams creeping eruption Crowe sign deined crust cutaneous larva migrans cutaneous T-cell lymphoma cutis hyperelastica cutis laxa cutis marmorata telangiectatica congenita cyclosporine cyproheptadine Cyrano nose cystic fibrosis cystic hygroma cysts benign cysts cyst dermoid cyst epidermal cyst eruptive vellus hair cysts macrocystic malformations preauricular sinus preauricular cyst steatocystoma multiplex cyst blistering distal dactylitis Dakin’s solution Dandy–Walker syndrome Darier disease Darier sign definitions delayed-type hypersensitivity reactions Dennie’s lines Dermacentor variabilis dermal erythropoiesis congenital dermal sinus dermatitis allergic contact dermatitis artefactual dermatitis caterpillar dermatitis cercarial dermatitis dermatitis diaper dermatitis dermatitis with eczematous immunodeficiencies and dermatitis factitial dermatitis frictional lichenoid dermatitis irritant contact dermatitis juvenile plantar dermatitis marine dermatitis perianal streptococcal dermatitis perioral dermatitis photoallergic dermatitis photodermatoses dermatitis phytophotodermatitis dermatitis seborrheic dermatitis dermatitis herpetiformis dermatofibroma dermatographism dermatomyositis dermatoses acute febrile neutropenic dermatoses common dermatoses eczematous dermatoses genodermatoses dermatoses IgA neutropenic dermatoses photodermatoses dermoid cyst DeSanctis–Cacchione syndrome desloratadine desmoglein desmoplakin necrobiosis lipoidica diabetes diagnostic tests diaper candidiasis diaper dermatitis diaper psoriasis diascopy diazepam diffuse cutaneous mastocytosis diphenhydramine discoid lupus erythematosus dispensing topical therapy disseminated superficial actinic porokeratosis dog bites dog hookworm Dowling–Meara epidermolysis bullosa Down syndrome doxepin phototoxicity of doxycycline drug eruptions acneiform eruptions alopecia common causative drugs diagnosis of drug eruptions drugs with low incidence of drug eruptions environmental factors and drug eruptions erythema multiforme erythema nodosum fixed drug eruptions hypersensitivity immunologic reactions (types 1–4) lichenoid drug eruptions lupus-like reactions maculopapular drug eruptions morbilliform drug eruptions pathogenesis of drug eruptions photosensitivity eruptions pigmentary changes due to drug eruptions reaction types serum sickness serum sickness-like reactions toxic epidermal necrolysis treatment of drug eruptions urticaria vasculitis drug eruptions due to antiepileptics drug eruptions due to antimalarials drug eruptions due to antimetabolites (chemotherapy) drug eruptions due to bromides drug eruptions due to cephalosporins drug eruptions due to corticosteroids drug eruptions due to coumadin drug eruptions due to gold drug eruptions due to iodides drug eruptions due to lithium drug eruptions due to nonsteroidal anti-inflammatory agents drug eruptions due to penicillin drug eruptions due to sulfonamides drug eruptions due to tetracyclines drug eruptions due to thiazides drug-induced hypersensitivity echovirus ecthyma ecthyma contagiosum ectodermal dysplasia hidrotic ectodermal dysplasia hypohidrotic ectodermal dysplasia anhidrotic ectodermal dysplasia eczema dermatitis with eczema infantile eczema Ehlers–Danlos syndrome Ehrlichia elastosis perforans serpiginosa Elejalde syndrome elicitation reactions EMLA emollients en coup de sabre enanthems encephalocele prophylaxis of endocarditis envoplakin ephelides epidermal cyst epidermal growths steatocystoma multiplex syringomas trichoepithelioma epidermal nevus epidermolysis bullosa epidermolysis bullosa acquisita Cockayne–Touraine type epidermolysis bullosa Dowling–Meara type epidermolysis bullosa dystrophica Herlitz type epidermolysis bullosa junctional epidermolysis bullosa epidermolysis bullosa of Pasini epidermolysis bullosa simplex Weber–Cockayne type epidermolysis bullosa epidermolytic hyperkeratosis Epidermophyton floccosum epinephrine epithelioma of Malherbe Epstein–Barr virus disease erosion eruptive vellus hair cysts eruptive xanthoma erysipelas erythema annulare erythema chronicum migrans erythema craquele erythema dyschromicum perstans erythema induratum erythema infectiosum erythema multiforme drug-induced erythema multiforme major erythema multiforme minor erythema multiforme erythema nodosum drug-induced erythema nodosum etiologies of erythema nodosum erythema toxicum neonatorum erythematous psoriasis congenital erythroderma congenital ichthyosiform erythroderma]] [[CIE eschar exanthems asymmetric periflexural exanthems subitum exanthems]] [[roseola unilateral laterothoracic exanthems excoriation exostoses exudate Fabry disease famciclovir fat associated disorders subcutaneous necrosis favus fetus papyraceus fexofenadine fibromatoses dermatofibroma fibrous histiocytoma fifth disease finger clubbing fish tank granuloma fissure fluconazole foams fogo selvagem folic acid folic acid deficiency folliculitis keratotic folliculitis Pityrosporum pseudomonal folliculitis Fordyce angiokeratoma Forschheimer spots freckles (ephelides) frictional lichenoid dermatitis frostbite fungal cultures fungal infections deep fungal infections blastomycosis mucormycosis sporotrichosis superficial fungal infections candida onychomycosis potassium hydroxide examination tinea capitis tinea corporis tinea pedis tinea versicolor furunculosis Gardner syndrome gels generalized hyperpigmentation genital warts topical treatment of genital warts genodermatoses sun sensitivity Gianotti–Crosti syndrome Gilchrist disease gliadin glioma glomuvenous malformations glycopyrrolate Goltz syndrome Gorlin syndrome Gottron papules Gougerot and Carteaud syndrome Gower sign granulomas annulare granuloma juvenile xanthogranuloma Majocchi granuloma pyogenic granuloma sarcoidosis umbilical granuloma Wegener granulomatosis Griscelli syndrome griseofulvin gyrate Haemophilus influenzae hair disorders abnormalities of hair color abnormalities of increased hair acquired non-scarring alopecia acquired scarring alopecia diffuse congenital alopecia localized congenital alopecia normal cycle hair growth hair shaft abnormalities loose anagen syndrome monilethrix pili torti trichorrhexis invaginata trichorrhexis nodosa trichothiodystrophy uncombable hair syndrome continua Hallopeau hamartoma connective tissue nevi fibrous of infancy multiple hamartoma syndrome smooth muscle hamartoma hand, foot and mouth disease Hansen disease harlequin ichthyosis harvest mites head lice heliotrope rash hemangioma of infancy hematopoiesis, extramedullary Henoch–Schönlein purpura hepatitis Herlitz type junctional epidermolysis bullosa Hermansky–Pudlak syndrome herpes simplex erythema multiforme infantile herpes simplex neonatal herpes simplex Tzanck smear whitlow herpes zoster infantile herpes zoster herpetiform hidradenitis suppurativa hidrotic ectodermal dysplasia hirsutism histiocytoma histiocytosis HIV infection hookworm hot tub (pseudomonal) folliculitis human immunodeficiency virus Hutchinson sign Hutchinson summer prurigo Hutchinson triad hydroa aestivale hydroa vacciniforme hydroquinone hydroxychloroquine hydroxyzine hymenoptera stings subcutaneous fat hypercalcaemia necrosis hyperhidrosis hyperimmunoglobulin E syndrome epidermolytic hyperkeratosis hyperpigmentation disorders hypersensitivity disorders annular erythemas drug-induced hypersensitivity disorders erythema nodosum granuloma annulare Kawasaki disease necrobiosis lipoidica diabeticorum pyoderma gangrenosum rheumatoid nodules sarcoidosis Stevens–Johnson syndrome SJS Sweet syndrome toxic epidermal necrolysis TEN urticaria hypersensitivity reactions acute hypersensitivity reactions delayed-type hypersensitivity reactions hypertrichosis causes of hypertrichosis hypertrophic scars hypohidrotic ectodermal dysplasia hypomelanosis of Ito hypopigmented disorders hypotrichosis late-onset hypotrichosis IBIDS ibuprofen congenital ichthyosiform erythroderma (CIE) zzzzzzzzzzz ichthyosis collodion baby Conradi–Hunermann–Happle syndrome epidermolytic hyperkeratosis harlequin ichthyosis vulgaris lamellar steroid sulfatase deficiency X-linked id reaction IgA dermatosis imiquimod immunobullous disorders bullous pemphigoid dermatitis herpetiformis pemphigus immunodeficiencies with eczematous dermatitis HIV infection severe combined syndrome immunologic reactions (types 1–4) 225–6 impetigo incontinentia pigmenti infantile eczema infantile fibromatoses infectious mononucleosis infestations infiltrations calcinosis cutis juvenile xanthogranuloma mastocytosis osteoma cutis inflammatory linear verrucous epidermal nevus (ILVEN) insect bites, urticarial reactions insect stings intertrigo iodides, drug reactions isotretinoin Ito hypomelanosis nevus itroconazole ivermectin Ixodes spp. Jackson–Lawler syndrome Jacquet ulcers Jadassohn–Lewandowsky syndrome Job syndrome juvenile plantar dermatitis juvenile rheumatoid arthritis juvenile spring eruption juvenile xanthogranuloma Kasabach–Merrittt syndrome Kawasaki disease keloids keratodermas, palmoplantar keratolysis, pitted 416 keratolysis exfoliativa keratolytics with moisturizers keratosis follicularis keratosis pilaris kerion ketoconazole KID syndrome kinky hair syndrome Klein–Waardenburg syndrome Klippel–Trenaunay syndrome knuckle pads Koebner epidermolysis bullosa Koebner phenomenon koilonychia Koplik spots kwashiorkor Lactrodectus mactans Langerhans cell histiocytosis laser therapy lentiginous nevus lentigo simplex Leopard syndrome lepidopterism leprosy Letterer–Siwe disease leukemia cutis leukoderma acquisitum centrifugum leukonychia lichen aureus lichen nitidus lichen planus lichen purpuricus lichen sclerosus lichen scrofulosorum lichen simplex chronicus lichen striatus lichenification lichenoid dermatitis drug-induced lidocaine Lindsay nails linear IgA dermatosis lipoma lithium, drug reactions livedo reticularis local anesthetics loose anagen syndrome loratadine lotions Louis–Bar syndrome louse infestations Loxosceles reclusa lues lupus erythematosus discoid neonatal systemic lupus erythematosus 258–60 lupus vulgaris lupus-like drug-induced reactions Lyme disease lymphangioma circumscriptum lymphatic malformations lymphedema lymphoma McCune–Albright syndrome macrocystic (lymphatic) malformations macronychia macular atrophy macule Mafucci syndrome Majocchi granuloma malar rash malignancies/tumors basal cell carcinoma defined glomus tumor histiocytosis leukemia cutis lymphoma mast cell disease melanoma neuroblastoma neurofibroma neurofibromatosis rhabdomyosarcoma marasmus marine dermatitis mast cells degranulators malignant disease mastocytoma, solitary mastocytosis syndrome systemic measles (rubeola) Mee’s lines, nail disorders melanocytic nevi congenital/acquired melanoma benign juvenile melanosis, transient neonatal pustular 12–13 melanosis of Ito/Ota melasma meningococcemia Menkes kinky hair syndrome methotrexate Mibelli angiokeratoma porokeratosis micronychia Microsporum spp. Wood’s lamp examination midazolam milia miliaria minoxidil moisturizers, with/without keratolytics 396–7 molluscum contagiosum Mongolian spot monilethrix morbilliform eruptions drug-induced viral morphea morphine Mucha–Habermann disease mucocutaneous candidiasis mucormycosis Muehrcke’s nails multiple hamartoma syndrome Munchausen syndrome by proxy mycobacterial disease atypical classification leprosy tuberculosis mycophenolate mofetil Mycoplasma pneumoniae mycosis fungoides nail disorders alopecia areata anonychia Beau’s lines blue nails brachyonychia clubbing dystrophy ectodermal dysplasia (hidrotic) half-and-half (Lindsay) nails hangnail Hutchinson sign ingrown toenails Index koilonychia leukonychia macronychia malalignment of great toenails 361–2 median nail dystrophy Mee’s lines micronychia Muehrcke’s nails nail–patella syndrome nevi onychogryphosis onychoheteropia onycholysis onychomadesis onychomycosis onychophagia onychorrhexis onychoschizia pachyonychia congenita paronychia pincer nail polyonychia Pseudomonas nail psoriasis pterygium racquet nail red lunulae splinter hemorrhages Terry’s nails trachyonychia traumatic nail injury twenty-nail dystrophy whitlow yellow nails nail–patella syndrome naproxen nasal glioma necrobiosis lipoidica diabeticorum 186–7 Neisseria meningitidis neonatal defects accessory tragus aplasia cutis congenita branchial cleft cyst/sinus cephalic pustulosis congenital dermal sinus dermal erythropoiesis encephalocele lupus erythematosis nasal glioma neonatal scars nevus sebaceus (of Jadassohn) 19–20 preauricular cyst/sinus sclerema neonatorum see also ichthyosis neonatal infections candidiasis congenital syphilis congenital varicella herpes neonatorum infantile herpes neonates neuroblastoma neurofibroma neurofibromatosis neutropenic dermatosis, acute febrile 191–3 nevoid basal cell carcinoma syndrome nevus/i acquired melanocytic nevi araneus basal cell nevus syndrome Becker nevus blue nevus comedonicus congenital melanocytic nevi connective tissue epidermal nevus epithelioid nevus flammeus halo nevus inflammatory linear verrucous epidermal (ILVEN) lentiginous lipomatosus nail matrix nevocellular congenital nevus achromicus nevus anemicus nevus depigmentosus nevus fuscoceruleus ophthalmomaxillaris nevus of Ito nevus of Ota nevus sebaceus (of Jadassohn) 19–20, nevus simplex (salmon patch) nevus spilus organoid speckled lentiginous Spitz/spindle nevus Sutton (halo) nevus niacin deficiency nickel contact dermatitis detection kit Nikolsky sign nits (pediculosis), potassium hydroxide examination nodules benign defined non-opioid analgesics nonsteroidal anti-inflammatories, drug reactions nutritional disorders acrodermatitis enteropathica 197–8 anorexia and bulimia nervosaassociated skin disorders 194–5 kwashiorkor marasmus vitamin deficiencies 209–10 nystatin oculocutaneous albinism oculodermal melanocytosis oils and oil-free products ointments onychogryphosis onychoheteropia onycholysis onychomadesis onychomycosis onychophagia onychorrhexis onychoschizia opioid analgesics oral contraceptive pills orf Osler–Weber–Rendu syndrome osteoma cutis Ota, nevus oxycodone PABA/PABA esters pachyonychia congenita Pasini epidermolysis bullosa palmoplantar keratodermas basal cell nevus syndrome neurofibromatosis tuberous sclerosis complex palms, hyperlinearity panniculitis papillomatosis confluent and reticulated defined 418 papillomaviruses papular acrodermatitis papular polymorphous light eruption 202–4 papular urticaria papular/papulosquamatous disorders 33–48 papules benign defined Gottron piezogenic pedal papulovesical acrolated syndrome paraneoplastic pemphigus parasites, antiparasitic agents paronychia candidal Parry–Romberg syndrome pastes Pasteurella multocida Pastia’s lines patch defined shagreen patch tests (TRUE) pedal papules pediculosis potassium hydroxide examination pellagra, vitamin B3 deficiency 209–10 pemphigoid gestationis pemphigus pemphigus erythematosus pemphigus foliaceus penicillin drug reactions see also antibiotics perforating elastosis perianal streptococcal dermatitis 102–3 perioral dermatitis periplakin permethrin cream pernio petechiae PHACES syndrome phenylketonuria photodermatoses causative drugs drug-induced eruptions photoallergic dermatitis phototoxicity phytophotodermatitis polymorphous light eruption 202–4 solar urticaria sunburn photosensitizers Phthirus pubis physical abuse PIBIDS piebaldism piezogenic pedal papules pigmentary disorders Blaschko lines 297–301 confluent and reticulated papillomatosis drug-induced hyperpigmented disorders postinflammatory hypopigmented disorders whorling pigmented purpura lichen aureus Schamberg disease pili torti pili triangulari et canaliculi pilomatrixoma pimecrolimus pitted keratolysis pityriasis alba pityriasis lichenoides chronica (PLC) 39–40 pityriasis lichenoides et varioliformis acuta (PLEVA) pityriasis rosea pityriasis rubra pilaris pityriasis versicolor Pityrosporum folliculitis plantar warts plaque plasters podophyllin poison ivy Toxicodendron polyarteritis nodosa polyonychia porokeratosis porphyrias port wine stains postinflammatory hypopigmentation potassium hydroxide examination potassium iodide drug reactions powders preauricular cyst/sinus primary lesions, definitions Propionibacterium acnes protein C or S deficiency protein deficiency prurigo, actinic pseudomonal infections folliculitis nails pseudopseudohypoparathyroidism pseudoxanthoma elasticum psoriasis nail disorders variant forms psoriatic arthritis pterygium purpura anaphylactoid defined eczematoid fulminans Henoch–Schonlein purpura 268–70 lichen aureus pigmented purpura Schamberg disease purpura fulminans pustular melanosis, transient neonatal 12–13 pustular psoriasis pustule pustulosis, neonatal cephalic pyoderma gangrenosum pyogenic granuloma Ramsay Hunt syndrome Raynaud phenomenon reaction patterns reaction types, drug-induced regional patterns, and diagnosis renal disease, half-and-half (Lindsay) nails reticulated rhabdomyosarcoma rheumatoid nodules rickettsial diseases Lyme disease Rocky Mountain spotted fever 144–5, ringworm Ritter disease rosacea roseola (exanthem subitum Rothmund–Thomson syndrome Index rubber/adhesives, contact dermatitis rubella rubeola Rubinstein–Taybi syndrome salicylates, UVB screen salicylic acid salmon patch sarcoidosis Sarcoptes scabiei scabies potassium hydroxide examination scale scalp preparations scalp ringworm scarlet fever scars hypertrophic scars neonatal scars Schamberg disease Schistosoma cercariae sclerema neonatorum scleroderma localized scrofuloderma seabather’s eruption sebaceous gland hyperplasia seborrheic dermatitis secondary lesions, definitions segmental serpiginous serum sickness, drug-induced severe combined immunodeficiency syndrome sexual abuse shagreen patch shake lotions shampoos shawl sign shoe contact dermatitis signs Auspitz Crowe Darier Gower Hutchinson Nikolsky shawl sixth disease skin area, rule of nines skin biopsy skin lesions, configuration skin patch tests (TRUE) skin phototypes smooth muscle hamartoma snake bites soapless cleansers soaps solar urticaria see also photodermatoses solitary mastocytoma solutions (treatment) speckled lentiginous nevus spider angioma spider bites Spiegler–Brooke syndrome spirochetal disease Spitz nevus Sporothrix schenkii sporotrichosis sprays staphylococcal disease and HIV infection scalded skin syndrome secondary infection Staphylococcus aureus steatocystoma multiplex steroids see corticosteroids Stevens–Johnson syndrome (SJS) 180–2 stings, insect strawberry hemangioma streptococcal disease erythema nodosum perianal dermatitis purpura striae, corticosteroid drug reactions striae distensae Sturge–Weber syndrome subcutaneous fat necrosis sulfonamides, drug reactions sun sensitivity genodermatoses photodermatoses sunburn sunscreens ‘sweaty sock syndrome’ Sweet syndrome swimmer’s eruption swimmer’s itch swimming-pool diseases syphilis neonatal syringomas systemic corticosteroids 395–6 systemic lupus erythematosus systemic mastocytosis systemic sclerosis T-cell lymphoma tacrolimus Takayasu arteritis tape/plasters tar target lesions defined telangietasias eruptiva macularis perstans generalized essential hereditary hemorrhagic spider angioma telogen effluvium terbinafine terminology of lesions Terry’s nails tetracyclines, drug reactions thalidomide therapies thiazides, drug reactions thrush tick bites tick-borne (rickettsial) diseases tinea capitis tinea corporis tinea pedis tinea unguium tinea versicolor tissue transglutaminase titanium oxide topical therapy anesthetics corticosteroids keratolytics toxic epidermal necrolysis drug-induced toxic erythema of newborn Toxicodendron (poison ivy) trachyonychia tragus, accessory transient neonatal pustular melanosis 12–13 treatments Treponema pallidum trichoepithelioma Trichophyton mentagrophytes Trichophyton rubrum trichorhinophalangeal syndrome trichorrhexis invaginata trichorrhexis nodosa 420 trichothiodystrophy trichotillomania TRUE skin patch tests tuberculids tuberculosis tuberous sclerosis complex tumors see malignancies/tumors twenty-nail dystrophy Tzanck smear ulcer umbilical granuloma umbilicated uncombable hair syndrome urticaria drug-induced insect bite reactions pigmentosa solar valacyclovir varicella neonatal vascular disorders angiokeratoma blue rubber bleb syndrome capillary malformations cutis marmorata telangiectatica congenita drug-induced vasculitis glomuvenous malformations 285–6 hemangioma of infancy Klippel–Trenaunay syndrome 283–4 leukocytoclastic vasculitis nevus anemicus nevus simplex (salmon patch) Sturge–Weber syndrome vascular malformations vasculitis vehicles vellus hair cysts venereal warts venous malformations vernix caseosa verrucae vesicle viral culture viral diseases echovirus erythema infectiosum (fifth disease) 123–4 Gianotti–Crosti syndrome hand foot and mouth disease 136–7 hepatitis herpes simplex herpes zoster human immunodeficiency virus (HIV) infectious mononucleosis measles (rubeola) molluscum contagiosum orf roseola (exanthem subitum, sixth disease) rubella unilateral laterothoracic exanthem 125–6 varicella verrucae vitamin deficiencies vitiligo Vogt–Koyanagi–Harada syndrome Waardenburg syndrome Weber–Cockayne epidermolysis bullosa Wegener granulomatosis wet dressings wheal whitlow Wickham striae winter eczema Wiskott-Aldrich syndrome Wood’s lamp examination X-linked ichthyosis xanthogranuloma, juvenile xanthoma eruptive pseudoxanthoma elasticum xeroderma pigmentosum xerosis zinc zinc deficiency zosteriform,