Acne vulgaris (overview): severe clinical picture with inflammatory papules, papulo-pustules and pustules in a 17-year-old patient; increasing course of the disease since 2 years. extensive scarring beginning in the central cheek area. picture of acne vulgaris (type: acne papulo-pustulosa, grade IV). classic indication for systemic isotretinoin therapy!
Dermatitis, chronic actinic (type actinic reticuloid). large-area, chronically dynamic, severe eczema reaction limited to UV-exposed skin areas with rough, extensive eminently itchy plaques with fine dense scaling. massive actinic elastosis (see deep rhomboidal skin field of the entire face). already after brief exposure to the sun, increase in burning itching. no history of atopy. probably caused by the intake of thiazide-containing diuretics.
melanosis neurocutanea. multiple, sharply defined, pigmented, black spots, plaques and nodules on head, upper extremities and upper trunk. in the area of the middle and lower trunk there is a large melanocytic nevus. evidence of leptomeningeal melanosis.
Morbihan, M.. overview: Chronic persistent swelling of the right half of the face, especially of the upper eyelid and the periorbital region in a 30-year-old man which has persisted for about 1.5 years.
lupus erythematodes chronicus discoides: 35-year-old otherwise healthy patient. skin lesions since 12 months, gradually increasing, no photosensitivity. multiple, chronically stationary, touch-sensitive, red, plaques with central adherent scaling. histology and DIF are typical for erythematodes. ANA and ENA were negative.
Lichen planus actinus: polygonally limited, hardly itchy Lichen planus; the violet shade of the Lichen (ruber) planus can be found in the marginal area of the plaque.
Nevus flammeus (port wine stain): congenital erythema in the facial region (capillary vascular malformation), localized in V2 distribution, completely without symptoms; control image after 4 years
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