Artifacts. flat erythema with sharp angular border lines, allegedly existing since 1 week in a left-handed woman. rapid healing under bandages (diagnostically almost proving an artificial mechanism). the signal character typical for a genuine dermatosis is missing!
Pemphigoid, bullous. bulging, 0.4-1.2 cm large blisters on the buttocks of a 44-year-old man. In the picture on the right side an older blister is visible whose bladder cover has detached.
Dermatitis solaris: painful, extensive and painful erythema and blistering, clearly marked on areas exposed to sunlight, following several hours of exposure to the sun.
dermatomyositis. red-violet, slightly itchy, flat. blurred erythema in the décolleté and on the lateral parts of the neck. general fatigue and muscle weakness.
Lipoma: A subcutaneous lump which has existed for years, is completely unattractive and asymptomatic, can be easily defined and is movable above the underlying tissue and which has developed after an upper abdominal operation.
Lichen planus (classic type): for several months persistent, red, itchy, polygonal, partly confluent, red, smooth, shiny (in places anular) papules on the trunk.
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