pilar tumor of scalp

pi·lar tu·mor of scalp

a solitary tumor of the scalp in elderly women that may ulcerate; microscopically resembles squamous cell carcinoma composed of glycogen-rich clear cells, but is benign.

pi·lar tumor of scalp

(pī'lăr tū'mŏr skalp)
A benign but sometimes ulcerative solitary tumor of the scalp in elderly women.