Atopic dermatitis (nummular atopic dermatitis):persistingsincethe 1st month of life in a now 22 months old boy. since 4 weeks sudden exacerbation with severe itching. generalized clinical picture with red, scaly and weeping plaques up to 10 cm in diameter. red papules of 0.1-0.3 cm in size disseminated in the apparently free skin areas (see right forearm and face).
Xanthomas, eruptive:disseminated, 0.1-0.3 cm large, yellow-brown, flat raised, superficially smooth and shiny, firm papules in dense seeding in a 54-year-old patient with known hyperlipoproteinemia type IV.
Syringome disseminated: detailed view; since about 2 years, imperceptibly multiplying, disseminated, completely asymptomatic, surface smooth, small brownish nodules, which are only perceived as cosmetically disturbing. distribution: trunk and face.
Melanoma malignant nodular. reflected light microscopy from the peripheral area of the node. homogeneous blue-grey-black discoloration in the centre. radial streaming.
Varicella: generalized, but only moderately pronounced (no feeling of illness) exanthema with a coexistence of vesicles, papules, papulopustules in a 24-year-old female patient.
Lupus erythermatodes tumidus:chronic recurrent disease patternforseveral years. no itching, no other subjective complaints. significant improvement of symptoms under therapy with antimalarial drugs.
Dyskeratosis follicularis. partly loosely disseminated, partly grouped standing, partly aggregated (sternal region), brown-red papules and plaques in a 52-year-old female patient who suffered from "eczematous" changes in the seborrhoeic zones since early childhood. distinct itching, increased body odour. a worsening of the disease over several weeks led to this skin condition, with evidence of Candida spp. and Staph. aureus in smears.
Impetigo contagiosa: Acutely occurring red erosive plaques covered with honey-yellow crusts on the left wrist of an 18-month-old boy, persisting for 5 weeks and increasing despite external therapy; overall increasing findings with similar skin lesions on the face, all extremities and the trunk (scattering reaction).
Urticaria chronic spontaneous: multiple, chronically recurrent, reddish wheals confluent to larger areas. severe itching. no scaling. note: the single spot lasts a maximum of 8-12 hours (detectable by marking test).
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