Baker's cyst
A baker's cyst is seen as a swelling behind the knee. It forms when joint fluid collects behind the knee. The swelling may be due from inflammation or from other causes, like arthritis. The condition can be seen in both adults and children.

Review Date:
7/25/2007
Reviewd By:
Andrew L. Chen, M.D., M.S., Orthopedist, The Alpine Clinic, Littleton, NH. Review provided by VeriMed Healthcare Network.