Lichen simplex chronicus indark skin. 0.1-0.2 cm large, marginally disseminated, firm brown-black (red shade is missing) papules which confluent in the centre of the lesion to form a flat, lichenoid shiny plaque.
Keratosis palmoplantaris cum degeneratione granulosa. 25-year-old man has a chronic, congenital, smooth, evenly distributed, waxy thickened and yellowish discoloured plaque formation of both palms of the hand. The same skin lesions are found on the soles of the feet. It is an autosomal dominant inherited palmoplantar cornification disorder.
Pustulosis palmaris et plantaris: marked by square: fresh and older pustules. The two upper pustules with collateral erythema. Marked by arrows: brown, flat papules, as remains of older dried pustules.
Nevus Spitz. reflected light microscopy of the previously clinically imaged nevus. irregular pigmentation; radial-strictive basic architecture, which is particularly visible at the edges, no vascular polymorphies.
nevus melanocytic acral: completely sympotmless, congenital melanocytic, nevus that covers the sole and back of the foot. bizarre lateral borders, different shades of brown and black. six-monthly controls are indicated.
Scleroderma circumscripts (type band-shaped circumscripts scleroderma). 32-year-old woman, for years progressive symptoms. no significant symptoms. no restrictions in mobility.
Argyrie: diffuse, completely symptom-free brown coloration of the facial areas in the area of exposed areas, which does not recede even in the winter months.
Adenoma sebaceum: diffuse distribution of skin-coloured, shiny papules and plaques. conspicuously bizarre telangiectasias, partly present in the papules and in the surrounding area. no folliculitis, no comedones.
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