Özet:

Merkel cell carcinoma (MCC) is a rare skin tumor that usually develops in elderly and sun-exposed body regions. The tumor is aggressive in nature, and in the case of delayed diagnosis, the treatment is difficult and the prognosis is poor. MCC is rarely seen on the ground of chronic venous insufficiency and on the lower extremity. In this case, an 85-year-old male patient was diagnosed with Merkel cell carcinoma in the right leg, biopsy specimen taken from a ulcer and a raised lysole from chronic venous insufficiency after cardiac bypass graft surgery for cardiac bypass surgery. Skin malignancies such as MCC should be kept in mind in the differential diagnosis of venous ulcers and other skin lesions that may develop frequently on the basis of chronic venous insufficiency.

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