Ear Nose Throat J. 2012 Jan;91(1):18-20.
FIRST PARAGRAPH: Pilomatricoma, also referred to as pilomatrixoma and calcifying epithelioma of Malherbe, is a benign dermal-subcutaneous tumor derived from the matrix of the hair follicle. Its development is associated with a known mutation in the CTNNB1 gene, the gene that encodes for beta-catenin. Pilomatricomas are relatively common tumors. They usually arise during the first 2 decades of life, and they have no predilection for either sex.
PubMed ID: 22278863
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