Pinna high grade trichoblastic carcinoma, a report.

Trichoblastic carcinoma is a rare malignant hair follicle tumor. It resembles basal cell carcinoma clinically, but different studies emphasize on the importance of differentiating between these two cancers since they have different clinical course which may affect treatment options and follow up. Regardless of its aggressive behavior, no consensus is present for the treatment of trichoblastic carcinoma. We presented the third case of pinna trichoblastic carcinoma, which was surgically excised and followed up for two years post-surgery.