dermatitis, adult seborrhoeic: partly small spots, partly blurred erythema with small lamellar scaly deposits. slight feeling of tension. no significant itching. skin changes have existed for years to varying degrees. in summer, clearly improved or completely disappeared.
Lentigo maligna with transition to a lentigo maligna melanoma: bizarrely configured brown spot with palpable induration in the distal part (darker colored).
Lupus erythematosus, subacute-cutaneous, detail enlargement: Solitary or confluent, small to large stained, sharply defined, anular and gyrated, partly scaly PLaques in a 68-year-old woman.
Lichen planus exanthematicus: detailed picture; small papular lichen planus with aggregation of efflorescences to larger plaques; danger of erythroderma.
Melanoma, malignant, acrolentiginous. 2 x 3 cm diameter, red, flat, slightly putrid ulceration on the right big toe of a 73-year-old woman. At the lateral border of the ulcer there are shadowy pigment remains (circled and marked with arrows) in intact skin. In addition, palpation of the peripheral venous leg stations on the right inguinal side shows several enlarged venous leg ulcers (DD: reactive enlargement?).
Toxic epidermal necrolysis. 2 weeks after taking Allopurinol in recurrent attacks of gout, itching and redness on the back for the first time, within a few days dramatic worsening of the general condition with several acute, flat, generalized, randomly distributed, sharply defined, red, weeping and painful erosions. Additional findings were multiple, acute, asymmetrically arranged, disseminated, skin-coloured blisters on a flat erythema on the remaining integument.
Psoriasis vulgaris. psoriatic erythroderma. spread of psoriasis vulgaris as a maximum variant over the entire integument in the form of a generalised redness with scaling. rapidly spreading clinical picture; strong feeling of illness; high loss of fluid and temperature.
Pemphigus chronicus benignus familiaris: variable clinical picture with multiple, chronic, symptomless, scaly and crusty papules and plaques; section of a generalized clinical picture with typical infestation pattern.
psoriasis vulgaris. localized psoriasis. no further foci! chronic dynamic, red, rough plaque covering the entire left orbital region. in addition, in the 60-year-old woman, discrete, red, slightly scaly plaques have existed for several years on the elbows, knees, sacral region, rima ani, scalp and ears (retroauricular accentuation).
Balanitis parakeratotica circinata. chronic dynamic, 0.1 cm large, partly confluent pustules with formation of larger, sharply defined, polycyclic, garland-shaped, borderline plaques in the area of the glans penis. local itching and slight burning. combination with Reiter's syndrome. z.n. circumcision
Tinea cruris: chronic plaque, slightly faded at the centre, accentuated at the edges, large, moderately itchy plaque with interspersed pustules and inflamed papules.
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