Chloasma gravidarum perstans: Chronic stationary, no longer increasing, periorally localized, smooth, brown spots in a 29-year-old woman 14 months after delivery.
Hyperpigmentation, postinflammatory. overview image: Chronic stationary, multiple, disseminated or confluent, brown-red or brownish smooth spots on the lower legs of a 26-year-old patient. The spots developed over a longer period of time from brown-red, verrucous plaques that had developed in the context of a lichen planus verrucosus.
Lentigo solaris: multiple, disseminated, a few millimetres to 1.5 cm in size, oval, roundish or bizarrely configured, sharply defined, yellow-brown to dark brown spots on the back of the hand of a 75-year-old man (convertible driver).
erythema chronicum migrans. shown here is a finding about 3 months old. approx. 10 days after (rememberable) puncture, a painless, non-itching circular erythema developed, only moderately well distinguishable from normal skin. 3 months later the doctor was consulted.
Exanthema subitum. 2-year-old boy with a severe disturbance of the AZ and an acute high fever of 40 °C. Macular exanthema with densely packed red-brown spots of different size and no symptoms.
Drug reaction, fixed. multiple, 2.0-12.0 cm large, round or oval, initially deep red, later brown-red, sharply defined, succulent, itchy or also slightly painful, red plaques.
Behçet, M.. Since 14 days persistent, approx. 1.8 x 0.8 cm large, aphthous, whitish, smearily covered, strongly painful ulcer on the right labia of a 42-year-old woman.
Urticaria pigmentosa: about 0.5-1.0cm large, disseminated, oval or round, brownish-red spots. only when rubbed, increased reddening of the spots with accompanying itching. also during warm showers or baths increased reddening and clearly palpable elevation of the lesions. Darier phenomenon can be triggered (see neck on the right, here extensive reddening with slight itching, after rubbing this area).
Melanonychia striata longitudinalis (detailed picture): approx. 0.4 cm wide, dark brown strip of the nail; nail fold with distinct paraungual rim; especially malignant melanoma of the nail root.
Lichen sclerosus of the vulva: pronounced smooth whitish sclerosis of the vulva and penineum; extensive atrophy of the small labia with gaping vagina. 7-year-old girl; changes of the lichen sclerosus for several years.
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