NCIt related terms : Calcifying Epitherlioma of Malherbe; PILOMATRIXOMA, BENIGN; Calcifying epithelioma of Malherbe; Pilomatricoma, NOS; Benign Pilomatrixoma;
NCIt definition : A benign adnexal neoplasm arising 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.;