follicular-carcinomas

Clinical features •Trichoblastic carcinoma, sarcoma & carcinosarcoma •Exceedingly rare, most cases have arisen on the face & scalp of the elderly but may present at a wide variety of sites •Exceptional complicating nevus sebaceus •Average age 65 •M>F •Exceptionally familial/syndromic e.g. Brooke-Spiegler syndrome •Some authors divide tumors into subtypes- low-grade presenting predominantly on the face (with risk of recurrence but no metastatic potential) & high-grade presenting at a wide…