Prurigo simplex subacuta:generalized, permanent clinical picture with disseminated, 0.2-0.5 cm large, severely itching, firm, red papules with central erosions or crusts; no disturbance of the general condition.
Malasseziafolliculitis: disseminated, follicle-bound, inflammatory, 0.5-3 mm papules and papulopustules on the back of a 32-year-old female patient; frequent, even long-term, antibiotic therapy due to bacterial cystitis.
Lichen nitidus. chronic stationary, partly grouped, also linearly arranged (Koebner phenomenon), non-itching, non follicular, 0.1 cm large, white, smooth, round papules in a 32-year-old male.
Acne, steroid acne. general view: For 4 months persistent, disseminated, 1-4 mm large, reddish papules in a 20-year-old patient who has been systemically treated with glucocorticoids for years because of an underlying vasculitic disease. dose at first manifestation of the skin changes: 40 mg prednisolone p.o.
Molluscum contagiosa: multiple, 0.2-0.3 cm large, yellow-reddish, firm, shiny, completely asymptomatic nodules with characteristic central umbilical cord; appearing after first school swimming.
Chronic light damage: poikiloderma after years of excessive UV exposure, including hyperpigmentation, depigmentation and numerous precanceroses of the actinic keratosis type.
Granuloma pyogenicum (pyogenic granuloma) Rapidly growing, bluish-black, soft, slightly bleeding tumour. Remark: the black colour was caused by thrombosis in the tumour parenchyma.
Ilven: yellowish striated, sharply defined papules along the blashkolines in a 4-year-old boy; 6 months before occurred with mild itching. therapy: caring externals if necessary.
Type I Neurofibromatosis, peripheral type or classic cutaneous form Peripheral neurofibromatosis with multiple skin-coloured to light brown, soft nodes and nodules, sometimes also stalked, bulging soft, skin-coloured dewlap on the left hip.
Syphilide, papular. multiple, acute, still increasing, generalized (trunk, extremities, palms, soles of feet affected), predominantly isolated, 0.1-0.3 cm in size, confluent in places (chest region), red or reddish-brownish, rough, slightly scaly papules or plaques. There is also fatigue, generalized, non-painful lymphadenopathy and positive syphilis serology. Typically, infestation of palms and soles of feet occurs.
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