Atrophy: Flaccid atrophy (Cutis rhomboidalis nuchae) in an 82-year-old farmer. Solar atrophy of the skin of the neck and the lateral parts of the neck. Paving stone-like surface relief with intersecting longitudinal and oblique furrows (Cutis rhomboidalis nuchae), caused by the severe elastosis actinica (typical is the yellow-white colour of the skin change). The atrophic furrow formation ends abruptly in the area of the hairline (UV-protective effect).
atrophy. 63-year-old female patient with known porphyria cutanea tarda. evenly tanned facial skin. vertically running, sharp wrinkles of the forehead skin as well as deep, radial wrinkles of the perioral region. involution of the lip red.
Scleroderma circumscribed pansclerotic: 12-year-old boy of oriental origin. 3 months ago first appeared, strongly progressive sclerosis, partly ulcerated and covered with blackish necroses. A highly febrile disease of unexplained aetiology lasting more than 3 days preceded the skin symptoms by 14 days.
Aplasia cutis congenita. 8.0 x 6.0 cm, yellowish-white alopecic focus with shiny surface, existing since birth, unchanged for years except for size increase during physical growth.
Atrophodermia vermiculata: 10-year-old girl with symmetrically appearing, smallest, reticulated follicular scars on both sides as well as some dilated follicular keratoses (see following figure); pronounced keratosis pilaris (rubra) on the extensor sides of the extremities and on the buttocks.
Scleroderma, circumscribed. untreated, ligamentous, circumscribed scleroderma with extreme atrophy of the skin, subcutaneous fatty tissue and muscles, joint contractures
Ice pick scar. reflected light microscopy: image of the zygomatic arch region of a 23-year-old woman. triangular, scarred depression of the skin with an acute angle pointing downwards ("ice pick sign").
Angiokeratoma of the glans penis. multiple, chronically stationary, 0.2-0.4 cm large, blue-red to brownish papules with partly smooth, partly scaly surface in the area of the corona glandis. these are congenital, circumscribed vascular ectasias.
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