Basal cell carcinoma with a sarcomatous component (carcinosarcoma): a series of 5 cases and a review of the literature.

Cutaneous carcinosarcomas are rare biphasic malignant tumors with a malignant epithelial component together with malignant stroma. Five cases treated in the Yorkshire region of England between 2003 and 2006 are presented. The patients were male with an age range from 58 to 84 years.