Pilomatrixoma, also known as pilomatricoma, is related to epidermoid cysts and basal cell carcinoma. An important gene associated with Pilomatrixoma is CTNNB1 (Catenin Beta 1), and among its related pathways/superpathways are Nervous system development and Nanog in Mammalian ESC Pluripotency. Affiliated tissues include skin and colon, and related phenotypes are pilomatrixoma and subcutaneous nodule