Atheroma Chronic stationary, growing imperceptibly for more than 10 years, solitary, sharply defined, on the base well movable, indolent, plumply elastic, about 5.0 cm large, skin-colored, smooth lump.
Chondrodermatitis nodularis chronica helicis. 68-year-old patient with painful nodules that have been present for three months. The pain increases permanently, especially when pressure is applied, so that the patient can no longer sleep on the right side. 0.4 cm high, very rough nodule that is painful when pressure is applied.
Acne conglobata. multiple comedones in the area of the back of a 53-year-old patient with A. conglobata since the age of 14. no papules or pustules. irregular skin surface with pronounced scarring. coin-sized, deep scar (almost central in the picture) after incision of an abscess.
Type I Neurofibromatosis, peripheral type or classic cutaneous form. Permanent, multiple, skin-coloured, calotte-like bulging, soft, smooth papules and nodules in the area of the back of the hand and the sides of the fingers. Positive bell-button phenomenon: subcutaneous tumours protruding like hernia through the skin can be pushed back with one finger.
Alopecia androgenetica in men; stage IV: horseshoe-shaped, complete clearing of the hair in the parietal region; remaining lateral and posterior crown of hair
Psoriatic onychodystrophy: numerous so-called pits (pit-shaped depressions in the nail matrix). in the middle of the nail, pits and transverse furrows (marked by lines). arrows and transverse bars mark damage to the nail root with shortening of the cuticle. psoriatic onycholysis marked in an arch.
Small papular type of Mullusca contagiosa: focal sowing of small papular skin-coloured, smooth efflorescences reminiscent of verrucae planae juveniles; isomorphic irritant effect detectable.
Atrophy.striae cutis distensae.53-year-old patient who has been treated externally and internally with glucocorticoids for one year. striae cutis distensae without subjective symptoms. 2-3 mm wide flat atrophic lesions running in transverse direction to the skin tension with a parchment-like surface. the red tone is caused by the rupture of the connective tissue and atrophy of the surface so that vessels can shine through.
Alopecia marginalis: 45-year-old woman, who has been fixing the curly hair on the top of her head with 2 crossed hair clips for years. In the area of the hair clips now circumscribed hairless plaque with slight induration and coarsening of the skin surface. A histological examination was performed to exclude other causes.
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