keloid. large, brown to brown-red, very rough, smooth nodes with a jagged edge structure. not painful to the touch, with significant pressure considerable pain. postoperative condition after excision of several acne nodes in the sternal region.
Lupus erythematosus chronicus discoides: a relapsing, progressive, disseminated, scarring, chronic cutaneous lupus erythematosus that has been present for several years. No evidence of systemic involvement (no ANA, no DNA antibodies). Here is a detailed picture.
Nummular Dermatitis: General view: For several months persistent, strongly itching, solitary or confluent, coin-sized, infiltrated papules and plaques on the back of a 48-year-old patient.
Granuloma anulare disseminatum. 0.2-1.0 cm in size, distributed over the décolleté and arms, standing alone or confluent, bluish to brownish, often anular but also homogeneously filled, non-scaling or only slightly scaling, asymptomatic spots or flat papules and plaques with lupoid infiltrate.
Dyskeratosis follicularis: densely packed brown-reddish papules, about 2-4 mm in size, which aggregate in the décolleté area; the present distribution pattern suggests a light provocation of the disease.
hematoma. painful stain after blunt trauma a week ago. blurred, peripherally tapering stain with the different shades of hemoglobin breakdown. the center is pressure-dolent. a nodular hardening is palpable in depth.
Pityriasis rubra pilaris (adult type) Detail: chronic recurrent course for years with phases of marked improvement and extensive recurrence (fig. in a relapse period). Characteristic for the disease are the boundaries of the plaques drawn with a sharp pencil, resulting in the so-called "nappes claires", sharply recessed zones of unaffected skin in the case of extensive infestation.
Mastocytosis diffuse of the skin: Disseminated large-area mastocytosis of the skin (type Ia). In addition to the conspicuous yellow-brown spots and plaques, the apparently unaffected skin is slushy thickened, in places also with protruding follicular structures. The occurrence of larger blisters after banal trauma has been reported time and again. No systemic involvement detectable.
Nevus from the back of an 84-year-old man who already had a melanoma 8 years ago. Noticed during the follow-up. The excision revealed a dysplastic nevus of the compund-type.
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