Epidermoid cyst: S

Epidermoid cysts , also called sebaceous, keratin, or epithelial cysts , are small, hard lumps that develop under the skin. An epidermoid cyst is a benign cyst usually found on the skin, made of squamous epithelium and keratin. Learn about its signs, symptoms, diagnosis, treatment, terminology and images. Epidermoid cysts are non-neoplastic inclusion cysts derived from ectoderm that are lined solely by squamous epithelium. These are discussed separately by anatomic location: epidermal inclusion cyst intracranial epidermoid cyst intradiploic epid... An epidermoid cyst is a harmless growth that contains keratin. Learn more about its symptoms, and treatment options, here.