Mastocytosis of the urticaria pigmentosa type: generalised infestation of the integument with disseminated brown spots, patches, papules and plaques, which in some places congregate to form larger areas
Dermatofibroma: since years existing, no longer growing, occasionally itchy, very firm, marginal brownish nodules protruding above the skin level with a slightly scaly, punched surface; at the top left a resting melanocytic nevus.
common melanocytic nevus. type: nonfamilial syndrome of (acquired) dysplastic melanocytic nevi. up to 0.5 cm in size, brown, soft papules with smooth surface in disseminated distribution on the entire trunk in a 29-year-old patient. since earliest childhood strong sun exposure during regular bathing holidays at the north sea. the moles "have always been".
Keratosis palmoplantaris diffusa circumscripta: Thick, waxy, yellowish, plate-like horny layer which covers the entire palm of the hand and also the sole of the foot. The mobility of the hands is restricted. Characteristically, the red seam of the affected groin skin shown here separates the infected skin from unaffected field skin.
Lentigo simplex: multiple, sharply defined, light-brown pigmentation spots on light-exposed areas of the face, note the pigmentation of the red of the lips
Sarcoidosis nodular form: several, for about 2 years existing, so far continuously grown, symptomless, surface-smooth, skin-coloured, firm nodules; here symptomless nodular change in the neck region.
Urticaria pigmentosa: Generalized, macular, livid-red to brownish, partly confluent "exanthem-like" clinical picture on the trunk of a 41-year-old woman.
Melanoma malignes superficially spreading: pigmentation mark known and growing for years. No subjective complaints. The melanoma grows asymmetrically (no axial symmetry) with irregular pigmentation and depigmentation zones.
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