An ovarian dermoid cyst is a benign or noncancerous cyst that develops on the ovaries. It is a fluid-filled sac that contains tissues such as teeth, skin, hair, and fat. People may also refer to ...

woman held a funeral for a 4-inch cancerous tumor removed from her ovary – nicknaming it her “evil twin” after doctors discovered it contained teeth and hair. Sally Martin, 27, had suffered ...

A teratoma is a rare congenital tumor that can have specialized tissues, including hair, teeth, and structures from organs like the eye. Survival rates are high, but they frequently require ...

Teratomas commonly include teeth, hair, fat, and muscle, but less common possibilities include liver, lungs, brain, and thyroid gland. They can be cancerous, but most teratomas are benign.

Appearing on The View, “The Real Housewives of New York City” star, 55, detailed what it’s like to live with a genetic disorder called incontinentia pigmenti.