Psoriasis: Mosaic dermatosis with expression of psoriatic plaques in the Blaschko lines (right shoulder in band-shaped pattern) and on the right half of the back as a so-called pyhloid pattern (see following schematic pattern).
Dermatitis contact allergic: Acutely appeared, large red spots and plaques with rough, partly scaly surface as well as haemorrhagic vesicles in an 18-month-old boy. The skin changes occurred a few hours after extensive application of a cream containing lidocaine.
Psoriasis guttata: mixed picture between psoriasis guttata with numerous "fresh" small psoriatic lesions and coin-sized psoriatic plaques existing for a long time
Lichen planus exanthematicus: detailed picture; small papular lichen planus with aggregation of efflorescences to larger plaques; danger of erythroderma.
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.
Parapsoriasis en plaques large-heart poikilodermatic: a sympothless, slowly progressive clinical picture that has existed for several years, with poikilodermatic changes consisting of reticular lichenoid, pityriasiform scaling, papules and plaques and central atrophy of the skin.
Erythema gyratum repens. chronic dynamic (changeable course for several months), linear, symptom-free, red, rough, slightly elevated linear plaques due to confluence and peripheral growth, which convey a grained overall aspect.
Nummular dermatitis: Detail enlargement: Sharply defined, 2-6 cm large, inflammatory reddened, coin-shaped plaques on the left shoulder blade in a 7-year-old girl.
Poikilodermia vascularis atrophicans. 63-year-old patient with a slowly progressive, varicolored-checked clinical picture of the skin that has been present for 20 years. The varicolored skin is caused by reticular or stripe-shaped erythema. Especially in the neck and décolleté area, this is accompanied by reticular or flat brown discoloration (hyperpigmentation). The varicolored appearance is further intensified by an apparently normal skin condition that appears in several places (on the chest and neck area as well as on the upper and middle abdomen).
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