A cyst is a small pocket of tissue often filled with fluid or pus. It can occur due to an injury, infection, or other issues. They’re usually benign but may need treatment for complications. A cyst is ...

Perineural cysts form around nerve roots, particularly in the lower back. They typically don’t cause symptoms, but some people may experience back or leg pain if the cyst grows and presses on nearby ...

Ovarian cysts can be simple or complex. Complex ovarian cysts are those that contain either blood or a solid substance. They are more likely to require treatment. Simple cysts are relatively common ...

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 ...