lupus erythematosus acute-cutaneous: clinical picture occurred within 14 days, at the time of admission still relapsing-active, with prominent anular patterns. in the current relapse phase fatigue and exhaustion. SPA and CRP significantly increased. ANA 1:160; anti-Ro/SSA antibody positive. DIF: LE - typical.
Mycosis fungoides (plaque stage): 62-year-old man (suction plaque stage of Mycosis fungoides). 2.0-10.0 cm large, multiple, disseminated, occasionally slightly itchy, only slightly consistency increased, slightly scaly red plaques are found. Clinically and histologically no detectable tumorous LK-infection.
Circumscribed scleroderma (plaque type): brownish plaques that have existed since early childhood, are only slightly indurated, unilateral, and completely asymptomatic.
Xanthogranuloma juveniles (sensu strictu). soft elastic, yellowish, completely asymptomatic, hardly elevated plaques. no Darier's sign! 10-month-old female infant with multiple xanthogranulomas. size growth in the first months of life.
Psoriasis: Mosaic dermatosis with expression of psoriatic plaques in the Blaschko lines (right shoulder in band-shaped pattern) and on the right half of the back as a so-called pyhloid pattern (see following schematic pattern).
Dermatitis contact allergic: Acutely appeared, large red spots and plaques with rough, partly scaly surface as well as haemorrhagic vesicles in an 18-month-old boy. The skin changes occurred a few hours after extensive application of a cream containing lidocaine.
Psoriasis guttata: mixed picture between psoriasis guttata with numerous "fresh" small psoriatic lesions and coin-sized psoriatic plaques existing for a long time
Lentigo maligna with transition to a lentigo maligna melanoma: bizarrely configured brown spot with palpable induration in the distal part (darker colored).
Lupus erythematosus, subacute-cutaneous, detail enlargement: Solitary or confluent, small to large stained, sharply defined, anular and gyrated, partly scaly PLaques in a 68-year-old woman.
Lichen planus exanthematicus: detailed picture; small papular lichen planus with aggregation of efflorescences to larger plaques; danger of erythroderma.
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