Acanthosis nigricans maligna: generalized infestation with acquired (since 1-2 years existing), hyperkeratotic, beet-like aggregated, warty, papules and plaques on symmetrical hyperpigmentations; known and advanced anal carcinoma.
Haemangioma of the infant; general view of the head from the right-lateral side: At the back of the head, up to the preauricular and into the neck reaching, flat, superficial haemangioma in a 6 weeks old girl.
Tuberculosis cutis luposa: The 32-year-old Syrian has an irregularly limited, symptom-free, skin-coloured, sunken scar with marginal aggregated, painless, verrucous, brown plaques.
Lichen planus verrucosus. numerous, chronically stationary, 0.5-5.0 cm in size, rough, brownish or brownish-red, disseminated or confluent, rough, wart-like plaques as well as severe itching in a 63-year-old woman. onset of symptoms about 6-7 years ago. known CVI for 10 years.
Psoriasis intertriginosa: chronic, intertriginous focus with maceration in the rima ani. intermittent itching, especially after sweating or prolonged sitting. also formation of painful fissures.
Lichen sclerosus extragenitaler (and genital): small and large, partly sharp and partly blurred bordered spots and plaques with parchment-like surface; in the area of both popliteal fossa coarse lamellar scaling.
Circumscripts of scleroderma (plaque-type/variant: Atrophodermia idiopathica et progressiva) Survey picture of the back: size-progressive, large-area, erythematous-livid to brown, confluent, discreetly indurated spots and plaques in the area of the back in a 68-year-old female patient. In the area of the flank and the lumbar spine, clearly sclerosed plaques of whitish colour with partly distinctly atrophic surface and partly livid marginal margins are found.
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