Angioma serpiginosum. garland-shaped red spots on the upper arm of an 18-year-old woman, existing for several years, completely without symptoms. No mucous membrane infestation.
Vitiligo: First appearance 4 years ago of differently sized, differently configured, sharply defined, progressive, differently intensely depigmented patches on the trunk and extremities of a 31-year-old patient with skin type IV.
Lichen sclerosus extragenitaler: large-area lichen sclerosus of the mamma; diffuse, veil-like, only slightly increased sclerosis of the skin; not quite fresh large-area hematoma in lesioned skin. Remark: in the bradytrophic lesions of the LS, bleedings persist for an unusually long time, so that the persistent (gradually blackening hematoma) is the actual reason for a visit to the doctor.
Acne conglobata:symmetrically distributed, inflammatory papules and pustules with cystic transformation with a tendency to melt down, severe scarring and comedones. Mostly occurring in young people in the facial and upper body region. Chronic, often pressure-painful course.
Acne comedonica. general view: Recurrent multiple, disseminated standing retention cysts of 0.3-1.2 cm size on the back of a 38-year-old man, recurring since adolescence; multiple black comedones (blackheads) are also present.
Keloid. chronically stationary, acne-typically distributed clinical picture. multiple, in the area of the seborrhoeic zones of the trunk localized, irregularly distributed, 0.3-1.5 cm large, skin-coloured, flatly elevated, smooth papules and plaques of moderately firm consistency.
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