Lupus erythematosus acute-cutaneous: symmetrical red spots, patches and plaques in the face, neck and upper trunk areas that have been present for several weeks.
Tinea corporis:Acute, solitary, ring-shaped, approx. 2.5 cm large, sharply defined, itchy plaque, which has existed on the right wrist for several weeks, is increased in consistency at the edge and has fine lamellar scales, and has healed centrally in a 12-year-old girl (pathogen: Mikrosporum canis).
erythema multiforme: post-herpetic erythema multiforme. here a healing phase with coarse lamellar scaling plaques. therapeutically only local nursing measures are necessary
Lichen simplex chronicus. 9 x 5 cm measuring, scaly, slightly raised, red plaque with excoriated papulovesicles on the flank of a 61-year-old patient, persisting for several years. Chronically persistent itching for years, partly also burning.
Necrobiosis lipoidica: Discrete finding with slightly hardened plaque and atrophic surface (parchment-like puckering of the skin surface in the centre).
Dermatitis chronic actinic. detail enlargement: Disseminated, scratched papules and nodules as well as blurred, large-area, red, sharply itching fine-lamellar scaling spots and plaques in the face of a 51-year-old female patient with atopic eczema existing since birth.
Tinea corporis with marginal, centrally healed, scaly, less symptomatic plaques with a characteristic coarse lamellar scaling on the edges; no therapy has been performed so far.
Wegener's granulomatosis, localized stage: Laved localized early form, initial clinically unexplained flat ulcerations with crusty deposits at the tip of the nose.
Psoriasis palmaris et plantaris (plaque-type): Patient with palmar plaque psoriasis, infestation of the backs of the hands and fioniasis with striped keratotic plaques.
Drug reaction, fixed. 3-day-old, roundish, sharply defined, reddish-brown plaque on the lower leg of a 20-year-old female patient with a diameter of about 4.0 cm.
Balanoposthitis plasmacellularis: for several months, variable, multicentric, blurred, shiny redness and erosions on the glans penis and the preputial leaf; the changes on the preputial leaf are to be interpreted as "impression lesions".
Lichen planus verrucosus: multiple, chronically stationary, moderately sharply defined, itchy, whitish, rough papules and plaques on the backs of the hands. no scratch excoriations. reticular, white pattern of the oral mucosa.
Lichen simplex chronicus, detail enlargement: Strongly itchy, hemp grain-sized, solid, sharply defined, flat, skin-coloured to reddish papules and scratch excoriations on the buttocks of a 31-year-old man.
scleroderma circumscripts. large, circumcircularly bounded, red-violet, smooth plaque with centrally embedded yellow-white indurations. the surface here is parchment-like shiny. there is a feeling of tension. no pain.
Erythema induratum. 52-year-old secretary has been suffering for 3 years from this moderately painful lesion running in relapses. Findings: Clinical examination o.B. Local findings: 10 cm in longitudinal diameter large, firm plaque, interspersed with cutaneous and subcutaneous nodules. In the centre scarring, on the edge deep, poorly healing ulcerations (here crusty evidence).
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