An indolent, encysted tumor of the skin; especially, a sebaceous cyst.

a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked

a smooth, round, dome-like soft or moderately hard tumor of the scalp filled with greasy, cheese-like, odoriferous material.

Sebaceous cyst that develops in the skin, especially the scalp.

A sebaceous cyst, usually found on the scalp.