psoriasis palmaris et plantaris. hyperkeratotic changes in a 50-year-old office worker, existing for 5-6 years. painful rhaghades persisting for weeks at the edge of the heel, especially after jogging. never blisters or pustules. the inflammatory fringe at the edge of the keratosis is typical (but not proving) for psoriasis. clinical diagnosis "psoriasis plantaris" from this (mono)finding difficult. securing the diagnosis by clinical evidence of psoriasis at the contralateral heel, elbows and palms.
Vascular (capillary) malformation (so-called naevus flammeus): Congenital, generalized, irregularly configured, spotty erythema from the scalp to the sole of the foot in a 5-year-old boy, developed according to age. Here changes of the sole of the foot.
hand-foot-mouth disease: fresh and older painful blisters (and pustules) with a red courtyard that have appeared in several attackssince 1 week; individual apthous lesions on the palate and the lip mucosa; unspecific flu-like prodromas that have persisted for about 2 weeks before.
Tinea pedis oligosymptomatic type: no subjective sympotaxis. findings rather coincidental. circinar, grazing scaling. typical are raised scaling ruffs of the areas (marked by arrows). small plantar wart marked by circle, positive mycological evidence in the zone of the small toe marked by square.
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