Acrokeratosis paraneoplastic: the thoracic view shows disseminated, yellowish-brownish keratotic plaques, which condense in the area of the Areolae mamillae as well as centrothoracally in the sternal region; in the sternal region aspect of the seborrhoeic eczema (but the inflammatory component is missing).
Parapsoriasis en plaques, large: symptomless, well limited. disseminated stains and plaques. When the skin is wrinkled, a cigarette-paper-like pseudoatrophic architecture of the skin surface is visible (important diagnostic sign!).
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.
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.
Lichen simplex chronicus: Solitary, chronically stationary, red, rough plaque, which is formed by the "confluence" of multiple red papules. In the marginal area, single papules are still visible.
Impetigo herpetiformis. 2nd trimester pregnancy. pustular, flexural exanthema with highly red papules, pustules which merge to form large-area anal plaques. Typical are the inwardly directed collerette-like scaling margins.
Erythrokeratodermia progressiva symmetrica. extensive, sharply defined, brown-yellow discoloured, scaly and hardened plaques existing since the 2nd LJ, which had already appeared on other parts of the trunk, but healed there in the meantime. occasional slight itching.
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