Primary Children's Hospital 100 North Mario Capecchi Drive Salt Lake City, Utah 84113-1100 (801) 662-1000 www.primarychildrens.org
What's a Cyst?
Cyst
Say: sist
A cyst is a sac that is filled with air, liquid, or pus. Cysts can happen in different parts of the body. They can get infected and then hurt or swell. Some kids who have acne may have cysts in their skin.