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 ...

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.