A Baker's cyst is a pocket of joint fluid that forms a lump behind the knee. It is also called a popliteal cyst.
|Primary Medical Reviewer||William H. Blahd, Jr., MD, FACEP - Emergency Medicine|
|Specialist Medical Reviewer||Kenneth J. Koval, MD - Orthopedic Surgery, Orthopedic Trauma|
|Last Revised||August 7, 2012|