Pityriasis rubra pilaris (adult type): Sharply set off towards the wrist (difference to hyperkeratotic palmar eczema), alternating, flat palamarkeratosis.
Eczema, atopic. chronic, recurrent, itchy red spots and slightly raised red plaques on the cheeks and forehead of an 8-month-old girl; multiple, disseminated, partly crusty scratch excoriations are also visible.
Pityriasis lichenoides chronica:slightly itchy maculo-papular exanthema which hasbeenpresent for several months; here detailed picture of the lower leg.
lupus erythematodes chronicus discoides: already longstanding, blurred, red, butterfly-shaped red plaques. delicate scarring beginning at the bridge of the nose. no systemic autoimmune phenomena.
Toxic epidermal necrolysis. detailed view of a solitary, acutely occurring, perimamillary, sharply defined, slightly weeping, extensive, erosive detachment of the skin. the sample biopsies showed a vacuum-associated interfacial dermatitis with epidermal keratinocyte necroses.
Purpura, thrombocytopenic (detailed illustration): fresh haemorrhages are marked by arrows; yellowish haemosiderin deposits are circled and marked by stars.
Atopic eczema in children/adolescents: 3-year-old toddler with previously known atopic eczema; for several weeks increasing severe eczematization with excruciating itching, elevated nummular (also borderline) crusty and weeping plaques; evidence of gram-positive coccus.
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