Psoriasis of the nails: pronounced subungual psoriasis (oil stain), recognizable by a translucent discoloration of the nail plate, which is caused by parakeratotic keratinization.
Syringome disseminated: (detailed view of the scrotum); since about 2 years, imperceptibly multiplying, disseminated, completely asymptomatic, surface smooth, small brownish nodules, which are only perceived as cosmetically disturbing. Distribution: capillitium, and face, trunk and scrotum; multiple firm nodules, in places milia-like.
Psoriasis vulgaris. p soriasis of the scalp (untreated condition). Chronic stationary, disseminated, silvery scaling, large-area, adherent plaques of a previously skin-healthy 6-year-old boy, localized at the capillitium. Remark: In contrast to seborrhoeic eczema of the scalp, psoriasis exceeds the line of the hairline.
sebaceous glands. inner sides of the small labia in high magnification. Fig. from Eiko E. Petersen, Colour Atlas of Vulva Diseases. with the permission of Kaymogyn GmbH Freiburg.
Ulcus cruris arteriosum:Painful arterial leg ulcer of the lower leg and the back of the foot that has been present for 1 year and is continuously growing and sharply defined; proven PAVK in smokers' history and type 2 diabetes; destruction of tendons (arrow markings).
psoriasis palmaris et plantaris (plaquet type): palmo-plantar psoriasis known for years. no pre-treatment. extensive, sharply limited erythema. circumscribed partly stripy hyperkeratotic plaques. single deep rhagades.
Syringome disseminated: (detailed view of the scrotum); since about 2 years, imperceptibly multiplying, disseminated, completely asymptomatic, surface smooth, small brownish nodules, which are only perceived as cosmetically disturbing. Distribution: capillitium, and face, trunk and scrotum; multiple firm nodules, in places milia-like.
Necrobiosis lipoidica. necrobiosis lipoidica slowly "growing" for several years. large, rather discrete scarring in the centre. yellow-brownish plaque at the edges.
Herpes simplex virus infection. two adjacent foci on the lower lip and chin respectively. classic clinical finding with acute, itchy, herpetiform grouped, sometimes confluent blisters and pustules.
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