An ingrown hair bump, or cyst, extends from your body’s surface and deep underneath it. It often looks like a red pimple with one hair on its surface, but other types can look different and ...

Follicular cysts are a type of benign ovarian cyst caused by normal hormonal fluctuations during the menstrual cycle. Usually harmless, these fluid-filled sacs grow on the follicles where the egg ...

A pilonidal cyst is a cyst or abscess (boil) located near the intergluteal cleft, otherwise known as the groove between the buttocks. Treatment usually requires having a pilonidal cyst removed ...

Dear Dr. Roach: I was diagnosed with several liver cysts over 15 years ago. My primary doctor and I follow the growth of the cysts by ultrasound, and one is increasing in size. We did an MRI with ...

Lumps can form under the skin for many reasons, including cysts or swollen lymph nodes. Often they don’t require treatment, but if they change in size or appearance, contact a doctor for an exam.

This helps your doctor to better diagnose the size, shape, and number of nodules, whether they might be cysts or something more serious. A sonogram can also help your doctor perform a biopsy.

It's most common in females. This polyp is often made up of fibrous tissue. It may also include some smooth muscle, small cysts or nerve tissue, all covered with a thin protective layer of tissue.