Term
| Possible melanocytotic presursor |
|
Definition
|
|
Term
| histology: 'shouldering', 'melanocyte bridging' |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: nests and single migrating cells, 'Buckshot pattern' |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: string sign, acanthosis |
|
Definition
|
|
Term
| histology: horn pseudocyst |
|
Definition
|
|
Term
|
Definition
|
|
Term
| velvety hyperpigmented plaque |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| multiple flesh colored papules around nose and mouth |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: 'basaloid islands in puzzle pieces', pink cylinders |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: 'lobules of sebocytes' |
|
Definition
|
|
Term
| scaly erythematous patch on sun-damaged skin |
|
Definition
|
|
Term
| precursor of squamous cell carcinoma |
|
Definition
|
|
Term
| histology: basal layer atypia with overlying parakeratosis, epithelial dysplasia |
|
Definition
|
|
Term
| histology: 'flag sign' - alternating parakeratosis and orthokeratosis |
|
Definition
|
|
Term
| risk factor = arsenic exposure |
|
Definition
|
|
Term
| carcinoma with ulcerated center |
|
Definition
|
|
Term
| histology: keratin pearls |
|
Definition
|
|
Term
| histology: neoplasm originating in stratum spinosum and forms 'islands' |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| histologically cup-shaped neoplasm, variant of SqCC, may resolve spontaneously but are still treated |
|
Definition
|
|
Term
| poorly differentiated SqCC variant, worse prognosis |
|
Definition
|
|
Term
| aggressive variant of SqCC similar histologically to a verruca |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Pearly, pink papule with overlying telangiectasia |
|
Definition
|
|
Term
| histology: peripheral palisading nuclei and cleft formation |
|
Definition
|
|
Term
| multiple BCC before age 20 |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: tabled rete ridges, collagen trapping, boomerang fibrohistiocytes |
|
Definition
|
|
Term
| large, multinodular lesion common on trunk of young to middle-aged adults |
|
Definition
| dermatofibrosarcoma protuberans |
|
|
Term
| histology: 'storiform' (whorled fibroblasts) |
|
Definition
| dermatofibrosarcoma protuberans |
|
|
Term
| cutaneous T cell lymphoma |
|
Definition
|
|
Term
| histology: atypical CD4+ lymphocyte 'soldiers' along DEJ |
|
Definition
|
|
Term
| histology: pautrier's microabscesses |
|
Definition
|
|
Term
| histology: atypical CD4+ lymphocytes with kidney bean shaped nuclei called cerebriform nuclei |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: defective desquamitization |
|
Definition
|
|
Term
| salmon plaque, well-demarcated, silver scale, extensor surfaces |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: wafer-like parakeratosis |
|
Definition
|
|
Term
| erythema nodosum associated with trauma sites/scars |
|
Definition
|
|
Term
| histology: non-caseating granulomas |
|
Definition
|
|
Term
| ill-defined red nodules often on the anterior shins |
|
Definition
|
|
Term
| histology: subQ fat inflammation |
|
Definition
|
|
Term
| fine whitish lines, having a network arrangement, on the surface of lichen planus papules |
|
Definition
|
|
Term
| Pruritic, purple, polygonal, papules / plaques |
|
Definition
|
|
Term
| dermatosis associated with HCV |
|
Definition
|
|
Term
| histology: saw-tooth infiltrate, 'band-like' lymphocyte infiltrate below DEJ |
|
Definition
|
|
Term
| target lesions assoc with infectious cause |
|
Definition
|
|
Term
| painful epidermolytic blisters w/ mucous membrane involvement, >10% body SA |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Gottron's papules, heliotrope rash, shawl sign |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: subepidermal blister with eosinophils |
|
Definition
|
|
Term
| IF: IgG antibodies to hemidesmosomes, linear IF |
|
Definition
|
|
Term
| 'Nicholsky sign' - rubbing skin forms blister w/in minutes |
|
Definition
| almost always found in TEN and is assoc. with pemphigus vulgaris. It is useful in differentiating PV vs bullous pemphigoid. |
|
|
Term
| histology: suprabasalar clefting = 'tombstoning' |
|
Definition
|
|
Term
| IF: IgG antibodies against desmoglein 3, 'net-like' intraepidermal IF |
|
Definition
|
|
Term
| pruritic papules and vesicles assoc with Celiac dz |
|
Definition
|
|
Term
| IF: granular IgA deposits |
|
Definition
|
|
Term
| HPV driven, 'condyloma acuminatum' |
|
Definition
|
|
Term
| histology: hyperkeratosis, hypergranulosis, papillomatosis, koilocytes (vacuolated keratinocytes with raisin like nuclei) |
|
Definition
|
|
Term
| viral infection of the skin caused by poxvirus |
|
Definition
|
|
Term
| histology: Henderson-Patterson bodies (eosinophilic intracytoplasmic inclusion that push the nucleus aside) |
|
Definition
|
|
Term
|
Definition
|
|
Term
| histology: subcorneal blister with neutrophils and bacteria (gram pos cocci in clusters) |
|
Definition
|
|
Term
|
Definition
|
|
Term
| KOH prep, PAS tissue stain |
|
Definition
|
|
Term
| 'spaghetti and meatballs' appearance in stratum corneum |
|
Definition
|
|
Term
| macules and patches of hypo/hyperpigmentation on trunk. |
|
Definition
|
|
Term
| poor hygiene, overcrowding, common between the digits |
|
Definition
|
|
Term
|
Definition
| A skin lesion on the tip of the nose precedes the development of ophthalmic herpes zoster (HZV) |
|
|
Term
| 3M's - Multinucleated keratinocytes, Molding of nuclei, Marginated chromatin -- seen on Tzanck smear |
|
Definition
|
|
Term
|
Definition
| polyarteritis nodosum (vasculitis) |
|
|
Term
|
Definition
|
|
Term
| bilateral palpable purpura on ant legs |
|
Definition
|
|
Term
| histology: inflammation of arteries in the subcutis with fibrin deposition |
|
Definition
|
|
Term
| non-antibody mediated vesiculo-bullous dermatitis |
|
Definition
|
|
Term
Type III Hypersensitivity (immune complexes), small purpuric papules,
predominantly lower legs |
|
Definition
| LCV - leukocytoclastic vasculitis |
|
|
Term
| subtype of LCV characterized by predominant IgA-mediated vessel injury |
|
Definition
|
|
Term
| malar rash that spares nasolabial folds, non-scarring, associated with SLE |
|
Definition
|
|
Term
| violaceous plaques with central scarring esp on head, neck and ears (conchal bowls), low assoc with SLE |
|
Definition
|
|
Term
|
Definition
Signs of limited cutaneous scleroderma.
Calcinosis, Raynaud's phenomenon, Esophageal dysfunction, Sclerodactyly, Telangiectasias |
|
|
Term
| term for localized scleroderma |
|
Definition
|
|
Term
| white atrophic plaques associated with localized scleroderma at sites of trauma |
|
Definition
|
|
Term
| epidermal atrophy (more than SLE) |
|
Definition
|
|
Term
| pretibial yellow-pink plaques with violaceous border that may ulcerate when injured. associated with diabetes |
|
Definition
|
|
Term
| target lesions that look like pineapple slices; pathergy |
|
Definition
|
|
Term
| Acute Febrile Neutrophilic Dermatosis |
|
Definition
|
|
Term
| histology: PMN infiltrate without vasculitis |
|
Definition
|
|
Term
| Inflammatory ulcer with rolled violaceous border; pathergy; associated with inflammatory bowel disease, connective tissue disease, and hematologic disorders |
|
Definition
|
|
Term
| lesion with koebnerization - central keratinaceous plugs with central sparing on back |
|
Definition
acquired perforating dermatosis
-assoc with ESRD |
|
|
Term
|
Definition
acquired perforating dermatosis
-assoc with ESRD |
|
|
Term
| retiform purpura on fatty areas, central black eschar |
|
Definition
calciphylaxis
-assoc with ESRD |
|
|
Term
| histology: calcium in vessels |
|
Definition
calciphylaxis
-assoc with ESRD |
|
|
Term
| calf pump muscle insufficiency |
|
Definition
|
|
Term
|
Definition
|
|
Term
| erythema infectiosum -- slapped cheek appearance |
|
Definition
|
|
Term
| viral infection during pregnancy that may cause anemia, fetal hydrops or death |
|
Definition
|
|
Term
| widespread rash usually occurring in children as a result of a 'bug or drug' |
|
Definition
|
|
Term
| Rapidly growing red friable papule or polyp composed of a fibromyxoid matrix |
|
Definition
|
|
Term
| hand-foot-mouth-butt disease |
|
Definition
|
|
Term
| maculopapular rash occurring 7-10 days after initiation of a drug, okay to continue treatment |
|
Definition
| morbilliform/exanthematous drug eruption |
|
|
Term
| morbilliform rash occurring 2-6 weeks after initiation of a drug, with fever, hematologic abnormalities and visceral involvement. Must discontinue drug. |
|
Definition
DRESS Syndrome
Drug-Reaction (Rash) Eosinophilia Systemic Symptoms |
|
|
Term
| dusky cutaneous eruption that recurs at the same site with each exposure to a particular medication. |
|
Definition
|
|
Term
| dusky macules on the trunk or face +/- epidermal detachment |
|
Definition
|
|
