Arthur William Passos Raetsch

Trichoblastic Carcinoma Arising Within a Trichoepithelioma: A Biphasic Follicular Neoplasm With Compartment-Specific CK15, CK20, and Ki-67 Findings

Abstract: Trichoblastic carcinoma (TBC) is a rare malignant follicular neoplasm whose distinction from trichoblastoma/trichoepithelioma (TE) and basal cell carcinoma may be challenging. We report an 83-year-old woman with a nodule on the left superior parietal scalp suspected cli...