Epidermoid cyst:

Epidermoid cyst , also known as a sebaceous cyst , is a benign encapsulated, subepidermal nodule filled with keratin material. Although most commonly located on the face, neck, and trunk, epidermoid cysts can be found anywhere including the scrotum, genitalia, fingers, and cases within the buccal muco … An epidermoid or epidermal inclusion cyst is a lump formed under the skin. This lump is filled with keratin flakes or debris. The term "sebaceous cyst " is a common misnomer used for epidermoid cysts . Epidermoid cysts , also called sebaceous, keratin, or epithelial cysts , are small, hard lumps that develop under the skin. What is an epidermoid cyst ? An epidermoid cyst is a benign cyst derived from the infundibulum or upper portion of a hair follicle, encapsulated in a thin layer of epidermis -like epithelium. Epidermoid cysts are typically filled with keratin and lipid -rich debris [1,2]. Synonyms for an epidermoid cyst include: Epidermal cyst Epidermal ...