Acrocyanosis; diffuse reddish-livid skin discoloration of both mammae only occurring in cold weather with large-meshed marbling; reduced skin temperature; possible doughy, cushion-like swellings, symmetrical infestation, numbness and iris diaphragm phenomenon.
Striae cutis distensae, initially blue-reddish (Striae rubrae), later whitish, differently long and wide, jagged, parallel or diverging atrophic stripes with slightly sunken and thinned, transversely folded, smooth skin.
Purpura, thrombocytopenic (detailed illustration): fresh haemorrhages are marked by arrows; yellowish haemosiderin deposits are circled and marked by stars.
Lentigo of the mucous membrane; for more than 1 year existing, about 2 cm in diameter, irregular but sharply defined, band-shaped, dark brown macula in the region of the inner preputial leaf of a 72-year-old man.
Lentigo maligna: a slow-growing, heterogeneously pigmented, light to dark brown, asymmetrical spot with irregularly lobed edges on the left cheek of a 68-year-old woman with skin type I, known for several years.
ecchymosis syndrome, painful. intermittent manifestation of painful, demonstrably non-traumatic induced skin bleeding in a 61-year-old woman. initial pressure-sensitive erythema. subsequent development of skin bleeding and slow expansion of the skin changes. chronic recurrent course. no underlying disease known.
Vulvitis caused by A-streptococci in an 8-year-old girl with moderately severe redness of the vulva. Fig. from Eiko E. Petersen, Colour Atlas of Vulva Diseases, with the permission of Kaymogyn GmbH Freiburg.
melanoma, malignant, acrolentiginous. incident light microscopy. streaky, brown (melanotic) hyperpigmentation of the nail plate. complicating superimposition: fresh, red splatter-like bleeding after still recallable trauma).
Vitiligo: Multiple predominantly roundish vitiligo foci. A foci with a central residue of a melanocytic nevus (halo or sutton nevus) is encircled. Note: In the 14-year-old boy it is conspicuous that not a single melanocytic nevus is detectable.
Lentigo of the mucosa: sharply defined, brownish hyperpigmentation in the sense of gingivamelanosis along the lower row of teeth in a 36-year-old female patient.
lentigo of the mucosa. incident light microscopy: brown to greyish-brown pigment streaks and pigment clusters as well as bluish-grey melanophagus agglomerates in the lower lip red. melanoma features are not present. noticeable is the blurred border with the spatter-like pigmentation. this pigmentation of a previously unpigmented mucosa, typical for the mucosa, results in the jagged clinical border.
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