A Baker cyst is a fluid-filled growth behind the knee. It causes a bulge and a feeling of tightness. Also called a popliteal (pop-luh-TEE-ul) cyst, a Baker cyst sometime causes pain. The pain …

Baker Cyst (Popliteal Cyst) Baker’s cysts are small, fluid-filled lumps that form on the back of your knee. They grow after something causes swelling in your knee. They usually aren’t serious. …

Baker’s cysts, also known as popliteal cysts, form a lump at the back of the knee that can cause stiffness and discomfort. They typically result from a problem inside the knee joint, such as …

Feb 19, 2025 · What Is a Baker’s Cyst? A Baker’s cyst is a fluid-filled sac behind your knee. It often causes a bulge and a feeling of tightness. You might hear your doctor call it a popliteal cyst.

Feb 9, 2024 · Summary Popliteal cyst, an accumulation of synovial fluid, is common. It is usually the result of a knee joint abnormality such as arthritis or a cartilage tear. May present with …

Feb 17, 2025 · In children, popliteal cysts are usually a primary process, arising directly from the gastrocnemius-semimembranosus bursa; they do not communicate with the joint space. The …

Dec 9, 2025 · A Baker cyst can develop if you have a knee injury, or a condition such as osteoarthritis or a connective tissue disorder. A Baker cyst may also be called a popliteal cyst.

What is a Baker cyst? A Baker cyst is a fluid-filled sac that forms behind the knee. It's also known as a popliteal cyst or popliteal synovial cyst. The knee is a complex joint that has many parts. …

Dec 16, 2025 · Baker cysts, or popliteal cysts, are fluid-filled distended synovial-lined lesions arising in the popliteal fossa between the medial head of the gastrocnemius and the …

Baker cysts are enlarged bursae in the popliteal fossa. They are filled with synovial fluid and usually communicate with the adjacent joint space. Symptoms include pain, swelling behind …