dermatomyositis: reflected light microscopy. hyperkeratotic nail folds. pathologically enlarged and torqued capillaries. older bleeding into the nail fold.
acrodermatitis chronica atrophicans: 69-year-old woman. for 4 months right lower leg flat livid-red. at the beginning somewhat edematous. not overheated. subjectively symptomless except for slight hyperesthesia lateral foot edge on the right. no improvement by elevation. no tick bite recallable. in the laboratory confirmation of Lyme disease (high titer IgG, low titer IgM). no further manifestations except ACA.
Erythema infectiosum: generalized exanthema with larger and smaller, in its complete manifestation about 3.0 cm in diameter, less symptomatic, on the surface slightly roughened, anular erythema.
Erythema infectiosum: in cases of moderate feeling of illness, flat, butterfly-shaped redness and swelling of the cheeks; furthermore, exanthema of the extremities
Purpura pigmentosa progressica (type: Purpura anularis teleangiectodes): brown-red anular, by confluence also serpiginous foci. no significant itching. sporadically also largely faded only shadowy spots
Vasculitis, leukocytoclastic (non-IgA-associated). multiple, petechial haemorrhages and haemorrhagic filled blisters in the area of the back of the hand and finger extensor sides. severe feeling of illness persists.
Special form: Mycosis fungoides follikulotrope: 10-year-old girl with generalized folliculotropic Mycosis fungoides. foudroyant course of the disease which made a stem cell transplantation necessary.
Dermatitis, phototoxic. about 48 hours old, distally (by socks) sharply bordered, severely itching, partly erythematous, partly vesicular or bullous dermatitis. the 45-year-old patient had applied a St. John's wort containing liquid to the lower leg during a picnic in the countryside because of an insect bite. the same evening the first inflammatory skin symptoms appeared.
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