https://www.selleckchem.com/pr....oducts/-epicatechin.
Malignant proliferating trichilemmal tumors (MPTTs, malignant proliferating pilar tumors) are theorized to originate from the outer root sheath of the hair follicle which resembles the isthmic portion of the hair follicle and epithelium of the lower hair follicle in catagen phase.1 They may develop de novo or arise from a pre- existing trichilemmal cyst or proliferating trichilemmal tumor. The tumors typically present with rapid growth on the scalps of women over the age of 50. In this review, we present two cases of MPTT, presenti