Lichen planus (classic type): for several months persistent, red, itchy, polygonal, partly confluent, red, smooth, shiny (in places anular) papules on the trunk. detail view.
Acanthosis nigricans benigna: blurred brown-black spots and plaques. the plaques are characterized by a slightly sooted, leathery surface. no subjective symptoms.
Mycosis fungoides of the "pagetoid reticulosis" type. slight tendency to progression. blander clinical course over years with intermediate complete remission. typical clinical picture with the girlad-like limitation
Nevus Spitz. reflected light microscopy of the previously clinically imaged nevus. irregular pigmentation; radial-strictive basic architecture, which is particularly visible at the edges, no vascular polymorphies.
Tinea corporis:multiple, partly confluent, 0.5-8.0 cm large, marginalized, in older flocks centrally healing (anular), psoriasiform scaling, red papules and plaques (trunk and upper arm)
Lupus erythematosus, subacute-cutaneous: a disease pattern that has existed for several years, progressing intermittently with homogeneously round or oval as well as anular plaques; no itching, no feeling of illness; ANA: 1:180; anti-Ro Ak+, no dsDNA-Ak.
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