Bowen, M.: solitary plaque, progressive in size, occasionally accompanied by itching, measuring 1 x 7 cm, sharply and arching, border-emphasized plaque, on the right lumbar side in a 74-year-old woman; a reddish, partly scaly aspect and central fading are impressive.
Necrobiosis lipoidica: bilateral, gradually increasing, moderately sharply defined, confluent, reddish-brownish, centrally slightly atrophic plaques that have existed for about several years.
Lupus erythematosus acute-cutaneous: symmetric red spots, patches and plaques on the face, neck and upper trunk, existing for several weeks; lateral image.
eczema, hyperkeratotic-rhagadiform eczema of the hands and feet. multiple, chronically stationary, on palms disseminated, up to 3.0 cm in size, blurred, rough, itchy, burning when washing, grey, rough plaques. in addition there are rhagades.
Contact dermatitis toxic: exogenous, toxic, acute reddening of the hairy scalp, limited to the site of exposure of the applied "hair growth agent"; secondary findings are alopecia androgenetica.
Plaques muqueuses: disseminated, localised red, symptom-free plaques confluent in the centre of the tongue with preserved papilla structure (see following figure).
Nevus, melanocytic, congenital, since birth existing, chronically stationary, solitary, approx. 2.5 x 1.0 cm large, localized on the stretching side, scattered with dark papules, brown, rough, blurredly demarcated, symptomless spot in a 12-month-old girl.
Lichen sclerosus of the penis: persistent lichen sclerosus for years with verrucous transformation of the surface epithelium, infestation of foreskin and glans penis.
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