Circumscribed scleroderma (linear type) "Burnt out" linear scleroderma with blurred, clearly indurated, whitish atrophic plaques without any signs of inflammation; apart from a slight feeling of tension no other subjective symptoms.
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.
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.
Erythema multiforme: suddenly occurring, itchy, disseminated exanthema with cocard-like plaques which has been present for 4 days. here the finding on the lower leg. striated arrangement after external stimulus. s. isomorphism (Koebner phenomenon).
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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