squamous cell carcinoma of the skin: advanced ulcerated carcinoma. previously misinterpreted as a venous ulcer. the carcinoma is palpated as a very firm, little pain-sensitive (!) node, which is hardly movable on its base. a sentinel lymph node biopsy proved negative (no tumor infestation).
Primary cutaneous diffuse large-cell B-cell lymphoma leg type: nodules and plaques on the lower leg of a 65-year-old woman, which have been present for several months and have been growing rapidly over the last few weeks, partly plate-like, partly nodular, completely painless, surface-smooth.
Bowen's disease with transition to Bowen's carcinoma: solitary, size-progressive plaque that has been present for several years, occasionally accompanied by itching, sharply and arc-shaped, border-emphasized plaque with increasing verrucous knot formation (white encircles the zone with the beginning invasive growth).
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