Hair Follicle Neoplasm, also known as hair matrix neoplasm, is related to adenoid basal cell carcinoma and pilar sheath acanthoma. An important gene associated with Hair Follicle Neoplasm is CTNNB1 (Catenin Beta 1), and among its related pathways/superpathways are Nervous system development and Signaling by WNT. Affiliated tissues include skin, and related phenotypes are limbs/digits/tail and endocrine/exocrine gland