NCIt related terms : Calcifying Epitherlioma of Malherbe; PILOMATRIXOMA, BENIGN; Calcifying epithelioma of Malherbe; Pilomatricoma, NOS; Benign Pilomatrixoma;
NCIt definition : A benign adnexal neoplasm that arises from hair-bearing skin surfaces, usually the
head and neck and upper extremities. It usually presents as a solitary, slow-growing
nodular mass. Morphologically, it displays differentiation towards the matrix and
inner sheath of the normal hair follicle and the hair cortex. Complete surgical excision
is usually curative. Occasionally, it may recur.;
Alternative definition : CDISC: A benign hair follicle neoplasm in the outer hair sheath and infundibulum,
characterized by abrupt keratinization and central lumen with ghost cells.;