Cysts (fluid-filled tissue pockets), infections, and swollen lymph nodes commonly cause armpit lumps. Finding a lump in your armpit can be worrisome, especially if it hurts or appears unexpectedly.

A ruptured ovarian cyst can cause sudden abdominal or pelvic pain, bleeding, nausea, or vomiting. The most common type ruptures during ovulation to release an egg, and some cysts may rupture without ...

Ovarian cysts are sacs or pockets of fluid that form on the ovaries. There are two types of cysts: simple and complex. These are fluid-filled cysts that have no solid features. They are often either a ...

Doctors can drain a ganglion cyst with a needle and syringe. They can also surgically remove the cyst. Although surgery lowers the chance that the cyst will return, it can cause lasting pain and ...

As a student at Arizona State University, Emily was a writer and editor for the Embryo Project Encyclopedia, where she researched, wrote, and published over 18 peer-reviewed encyclopedia articles. As ...

Pineal cysts can occur in the brain’s pineal gland. While most people with pineal cysts never experience symptoms, some may develop headaches, vision changes, or sleep disturbances. Pineal cysts are ...

There may be a genetic link for some people who experience ovarian cysts. They can also be related to conditions like endometriosis and PMOS, formerly known as PCOS, which may have a genetic component ...