cystic teratoma

Others use it to mean any mature, cystic teratoma.

Squamous cell carcinoma has been found in a mature cystic teratoma at the time of initial surgery.

Article: Extraovarian mature cystic teratoma of the mesentery.

Cystic: Dermoid cyst (mature cystic teratoma).

A dermoid cyst is a mature cystic teratoma containing hair (sometimes very abundant) and other structures characteristic of normal skin and other tissues derived from the ectoderm.

Tomlinson MW, Alaverdian AA, Alaverdian V: Testosterone-producing benign cystic teratoma with virilism.

Kuno N, Kadomatsu K, Nakamura M, Miwa-Fukuchi T, Hirabayashi N, Ishizuka T. Mature ovarian cystic teratoma with a highly differentiated homunculus: a case report.

A dermoid cyst is a cystic teratoma that contains developmentally mature skin complete with hair follicles and sweat glands, sometimes clumps of long hair, and often pockets of sebum, blood, fat, bone, nails, teeth, eyes, cartilage, and thyroid tissue.

Teratomas are also classified by their content: a solid teratoma contains only tissues (perhaps including more complex structures); a cystic teratoma contain only pockets of fluid or semi-fluid such as cerebrospinal fluid, sebum, or fat; a mixed teratoma contains both solid and cystic parts.