Hospital Sant Joan de Deu Barcelona Passeig de Sant Joan de Deu, 2 08950 Esplugues de Llobregat Barcelona, España Tel. +34 93 253 21 00 - hospitalbarcelona.info@sjd.es www.sjdhospitalbarcelona.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.