You may experience a dull ache or cramping in one or both sides of the lower abdomen, as well as feelings of pressure or fullness. Pain may radiate from the lower abdomen to the back. Ovarian cysts ...

Thyroid cysts are usually benign and don’t need treatment. More than half of thyroid nodules, like cysts, will be noncancerous. Thyroid cysts can form due to blocked ducts or hormone activity. Finding ...

A pilonidal cyst is a painful lump located at the base of the spine at the top of the buttocks. Symptoms can include a painful lump, discharge, and swelling in the area. Pilonidal cysts, which are ...

Kidney cysts are fluid-filled sacs that can develop in one or both kidneys. You might have one kidney cyst or several. These cysts are usually round or oval shaped. There are several reasons why ...

I’m generally not enthused about lumps and bumps of any variety on my body. But two years ago, I discovered one in particular that deeply unsettled me: a softball-sized mass behind my right knee. The ...

Roshini Raj, MD, is Health's former magazine's medical editor and coauthor of What the Yuck?!. Board-certified in gastroenterology and internal medicine, Dr. Raj is a Clinical Associate Professor of ...