Lupus erythematodes chronicus discoides: large, sharply defined plaque with a central, clearly sunken (atrophy of the subcutaneous fatty tissue), poikilodermatic scar; the peripheral zones continue to show inflammatory activity.
dermatomyositis. flat, red-livid spots on the face of a 55-year-old woman with periorbital and perinasal accentuation. tired facial expression. general fatigue, muscle weakness and weight loss with underlying tumor disease. redness of the back of the fingers, megacapillaries in the capillary microscopy of the nail fold capillaries.
Lymphoma, cutaneous B-cell lymphoma. 8 months of slow growth, livid-red, flat, coarse nodule with a smooth surface. Follicular structures are only detectable at the edge of the nodule. 71-year-old patient.
Acrodermatitis papulosa eruptiva infantilis; acute exanthema with disseminated lichenoid papules confluent in the centre of the cheeks in hepatitis B; slight fever with gastrointestinal symptoms (diarrhoea); lymphadenopathy.
Sarcoidosis plaque form: solitary plaque that has existed for about 1 year, has grown continuously up to now, is symptomless, asymptomatic, fine-lamellar scaly, sharply defined, brown-reddish plaque.
Nevus, melanocytic, congenital. since birth existing, well defined, bizarrely configured, sharply limited, light brown (in the cranial part) to strongly brown (in the middle and lower part) spot on the face of an 11-year-old boy.
Hidroa vacciniformia. occurrence of small vesicles in the region of the bridge of the nose in an 8-year-old boy after exposure to sunlight. pinheaded, partially umbilical vesicles with serous content.
Elastoidosis cutanea nodularis et cystica: multiple, chronic inpatient, 0.4 - 1.2 cm large, symptomless, soft, yellowish papules and nodules; black comedones in the temporal region. 72-year-old man with massive chronic UV exposure over decades.
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