Acne papulo-pustulosa: severe (untreated) clinical picture with inflammatory papules, papulo-pustules and pustules in a 16-year-old patient. picture of acne vulgaris (type: acne papulo-pustulosa, grade IV). classic indication for systemic isotretinoin therapy!
Verrucae vulgares: solitary but also densely standing, to beds aggregated, hemispherical, 0.2-0.8 cm large, coarse, mostly skin-coloured or grey-yellowish papules or nodules with fissured, hyperkeratotic-verrucous surface.
papillomatosis confluens et reticularis. since several years increasing discoloration and thickening of the skin of the sternoepigastric area. similar foci still exist on the trunk and neck. no other disease known.
Verrucous carcinoma of the sole of the foot (Carcinoma cuniculatum): Tumour existing for > 1 year, slowly growing, moderately exophytic, verrucous, painful only under strong pressure, with focal older and fresher bleedings.
Urticaria pigmentosa: variously large, disseminated, flat, oval or round, brownish-red spots on trunk, buttocks and thighs; 27-year-old female patient. Continuous proliferation of spots for years. No evidence of systemic infestation. See findings 10 years later.
Eczema atopic (in dark skin): here as partial manifestation of a generalized (face, neck, hands, lower leg and back of the foot) extrinsic atopic eczema Chronic brown-grey, blurred, itchy, rough plaques on lichenified skin.
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