Ovarian cysts are very common in people who menstruate, with an estimated 10% to 30% of women — and potentially more — developing at least one in their lifetime. These fluid-filled sacs develop in or ...

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 ...

A breast lump is a swelling or bump in the breast that many people find scary, but most lumps are not cancerous. They can be caused by harmless conditions like cysts, infections, or changes in ...

Mucous cysts are pseudocysts (cystic structures lacking a true lining) that usually appear on the middle or index finger of the dominant hand; toe involvement is uncommon. Although most mucous cysts ...

8 out of 10 breast lumps are non-cancerous (benign). The first thought many people have when they feel a lump in their breast is breast cancer. But 8 out of 10 breast lumps are non-cancerous (benign).