
A Baker's cyst is a pocket of joint fluid that forms a lump behind the knee. It is also called a popliteal cyst.
| By | Healthwise Staff |
| 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 |