I can only walk to the mailbox, and I’m in a lot of pain. -- J.E. ANSWER: A Baker’s cyst is a fluid-filled sac behind the knee. In older adults, they are nearly always a result of knee damage.

synovial fluid might build up behind your knee. This buildup may form a Baker cyst, a fluid-filled sac that can cause stiffness, discomfort, or pain behind the knee. It's especially painful if the ...

fluid that has leaked from a fluid sack behind the knee into the knee joint cavity. Nearly 50pc of knee cysts are found in children, where they appear as a painless swelling behind the knee that ...

J.E. Dear J.E.: A Baker’s cyst is a fluid-filled sac behind the knee. In older adults, they are nearly always a result of knee damage. Almost every patient I’ve had with a Baker’s cyst ...

Graphic content on next story.' That next story was a video showing a doctor using a syringe to draw a significant amount of yellow fluid from his knee. Alongside that footage, McIntyre wrote ...