Lentigo maligna: a slow-growing, completely symptom-free spot that has been known for years; histologically, no invasiveness (transition to lentigo maligna melanoma) could be detected even in cut series.
Urticaria pigmentosa (overview): Adult form of Urticaira pigmentosa (erythroderma), with a history of many years, continuous increase in the density of spots, course over 7 years.
type I neurofibromatosis, peripheral type or classic cutaneous form. since puberty slowly increasing, soft, 0.2-0.8 cm large, skin-coloured or slightly brownish, painless, flat or hemispherical papules and nodules in a 42-year-old patient. the bell-button phenomenon can be triggered (the papules can be pressed into the skin under pressure). café-au-lait spots up to 7 cm in diameter also appear on the trunk.
Parapsoriasis en plaques, large: symptomless, well limited. disseminated stains and plaques. When the skin is wrinkled, a cigarette-paper-like pseudoatrophic architecture of the skin surface is visible (important diagnostic sign!).
Urticaria pigmentosa (overview): Adult form of Urticaria pigmentosa (erythroderma). With a history of many years, continuous increase in spot density. The inlet shows the confluence of numerous red spots.
Type I Neurofibromatosis, peripheral type or classic cutaneous form. Since puberty slowly increasing formation of these soft, skin-coloured or slightly brownish, painless papules and nodules. Several café-au-lait spots.
Chronic photo-ageing of the skin: moderately pronounced photo-ageing of the skin; in addition to an extensive base tan, irregularly configured pigment spots; further splashes of depigmentation.
Please login to access all articles, images, and functions.
Our content is available exclusively to medical professionals. If you have already registered, please login. If you haven't, you can register for free (medical professionals only).
Please complete your registration to access all articles and images.
To gain access, you must complete your registration. You either haven't confirmed your e-mail address or we still need proof that you are a member of the medical profession.