Metastasis: Chronic dynamic confluent nodules in a 78-year-old woman with metastasized malignant melanoma in the right inguinal region, about 7 cm in diameter, protruding about 3-4 cm, erythematous, partly crossed by telangiectatic vessels.
sarcoidosis: subcutaneously knotty form of sarcoidosis. recurrent course for several years. development of slightly pressure-painful nodules in the subcutaneous fatty tissue. known lung sarcoidosis stage II. skin findings: subcutaneously located, bulging nodules and plates, which can be clearly distinguished from the surrounding area and can be moved on the support. the skin above is partly reddened (see figure), partly unchanged.
tinea barbae. 64-year-old patient. 12 weeks of itching to moderately painful, well defined, pillow-like raised, purulent, highly red lump in the middle of the upper lip, which now covers the entire lip. evacuation of pus under pressure. the hairs enclosed by a pus plug can be epilated almost painlessly.
Acne vulgaris (overview): recurrent, multiple, disseminated standing retention cysts of 0.3-1.2 cm size on the back of a 38-year-old mansince adolescence; multiple black comedones (blackheads) are also present.
Squamous cell carcinoma of the skin: a slow-growing, wart-like, encrusted nodule that has existed for about 2 years and has been painful in the last few weeks, which was treated several times as a "subungual viral wart".
Carcinoma cutanes:advanced, flat ulcerated exophytic squamous cell carcinoma with massive actinic damage. 82-year-old man with androgenetic alopecia. Pronounced spring carcinoma.
Pyodermia vegetans: General view: Clearly putrid, round ulcerations as well as crusts and punctual hyperpigmentation on the right lower leg of a 17-year-old Indian woman.
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