Tinea manuum, impetiginierte: plaque on the back of the hand and forefinger that has existed for several months, accentuated at the edges, coarse lamellar scaling on the back of the hand and forefinger.moderate itching. increased weeping scaling in recent weeks. cultural evidence of Trichophyton rubrum.
Lichen planus exanthematicus: since 2 months persistent, itchy, generalized, dense rash with emphasis on trunk and extremities (face not affected). here formation of large reddish PLaques. in the marginal area the plaques dissolve into papules. the typical shine of the Lichen planus efflorescence is very well visible.
Exfoliatio areata linguae. two circumscribed, almost circular, "plaque free" areas, which, apart from a slight burning sensation when eating spicy food, cause no symptoms. characteristic for the clinical picture are the whitish swollen edges.
Sarcoidosis plaque form: solitary plaque that has existed for about 1 year and has grown continuously up to now, without any symptoms, fine-lamellar scaly brown-reddish plaque.
Granuloma anulare disseminatum: anular plaque. partial manifestation on the left lower leg. non-painful, non-itching, disseminated, large-area plaques that appeared on the trunk and extremities of a 65-year-old patient. no diabetes mellitus. no other systemic diseases known.
Multiple mastocytoma: disseminated, flat brownish reddish, itchy, smooth patches and plaques on the right foot or lower leg of a 4-month-old boy; the intact surface pattern of the field skin over the lesioned skin is shown in the inlet.
Psoriasis intertriginosa: inversely localized psoriasis (psoriasis inversa) with sharply defined, circulatory red plaques. mucosal area free. erosive areas in places.
Psoriasis guttata: de novo occurred, 0.1-2.0 cm large, reddish, rough papules and plaques with fine-lamellar scaling in a 26-year-old woman, preceded by a feverish flu-like infection.
Primary cutaneous marginal zone lymphoma: localized red (surface smooth) plaque with circulatory margins, known for several months and only moderately consistent, no evidence of systemic involvement.
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