A branchial cleft cyst is a birth abnormality that occurs on one or both sides of the neck. This atypical tissue may form fluid-filled sacs or passages that drain fluid on the neck surface. These ...
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 them ...