flexural atopic eczema. skin changes in an 18-year-old girl with intermittent course since the age of 4 years. positive FA; EA: pollinosis known. in the area of the hollow of the knee blurred, reddened, little scaly, moderately itchy plaques. skin field coarsened (lichenification). classic finding of flexural eczema.
Livedo racemosa: irregular, bizarre, not closed circular segments (ankle region), as pioneering morphological indicators for livedo racemosa; for several months now therapy-resistant, schematic deep ulcers.
Dermatofibroma: since years existing, no longer growing, occasionally itchy, very firm, marginal brownish nodules protruding above the skin level with a slightly scaly, punched surface; at the top left a resting melanocytic nevus.
Hypomelanosis guttata idiopathica: Disseminated, different sized, roundish, sharply defined, white patches on the lower leg of a 74-year-old patient; slight lesional scaling; solar lentigines.
Ulcus cruris venosum. deep, punched out ulcer on the lower leg in CVI. the edges are macerated whitish in places. there is a film of zinc paste in the surrounding area.
Pityriasis lichenoides et varioliformis acuta: acutely occurring "colorful" exanthema with papules of different sizes, measuring 0.2-0.8 cm, erosions, and encrusted ulcers; healing with formation of varioliform scars.
Purpura thrombocytopenic: Hemorrhagic spots with a tendency to confluence, existing on both lower legs with emphasis on the extensor sides. It is a drug-induced form of a thrombotic- thrombocytopenic purpura with hemolytic microangiopathic anemia and central nervous failure symptoms. The trigger was the ingestion of non-steroidal anti-inflammatory drugs. Sudden onset with fever, disorientation, stupor.
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