Mastocytoma kutanes: 1.0 x 2.0 cm, yellow-brown, flat, crescent-shaped, raised lump with blurred edges, protruding in the first two months of life; normal surface relief above the lump.
eczema, photoallergic. 51-year-old female patient. generalized skin disease with 0.2-0.4 cm large, red, slightly scaly papules (see lower margin of the picture), which have merged into flat plaques on the exposed skin areas. sudden spread. appearance within a few weeks after infection, intake of antibiotics as well as later exposure to sunlight.
dermatomyositis: reflected light microscopy. hyperkeratotic nail folds. pathologically enlarged and torqued capillaries. older bleeding into the nail fold.
Lupus erythematosus systemic (late onset) characteristic "collagenosis hands" with persistent, acaral accentuated livid-red plaques, hypercratic nail fold and small hemorrhages. 83-year-old patient with known (since several years proven) systemic lupus erythematosus.
DRESS: 4 weeks after taking carbemazepine, appearance of this generalized maculo-papular exanthema. onset in the face with spreading to the whole body. marked itching.
Lichen sclerosus extragenitaler (and genital): Generalized, itchy Lichen sclerosus with small and large, partly sharp and partly blurred bordered spots and plaques with parchment-like surface, known for years. detailed picture of the left shoulder region.
Lichen planus atrophicans. atrophying lichen planus existing for 10 years, which manifested itself predominantly on the left foot. recurrent formation of blisters and ulcers. the chronic ulcer on the sole of the foot presented here turned out to be a squamous cell carcinoma.
Chronic (scarring) blepharitis in lupus erythematosus chronicus discoides: chronically active, red, hyperesthetic plaques with scarring and destruction of the eyelashes; focal scarring and sunken edge of the eyelid
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