Dermoid Cyst

**Definition:** A tumor consisting of displaced ectodermal structures along the lines of embryonic fusion, the wall being formed of epithelium-lined connective tissue, including skin appendages, and containing keratin, sebum, and hair. (Stedman, 25th ed)

**Tree numbers:** - C04.182.201 - C04.557.465.910.250

**Synonyms:** - Dermoid