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 …

Jul 9, 2025 · 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 …

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.

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 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 …

Nov 19, 2024 · When inflammation occurs, the knee responds by producing excessive synovial fluid. This surplus fluid can move to the back of the knee and collect within the popliteal bursa, …

Nov 2, 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 …

When an excess of knee joint fluid (synovitis) is compressed by the body weight between the bones of the knee joint, it can become trapped and separate from the joint to form the fluid …

A Baker's cyst (popliteal cyst) is a fluid-filled lump at the back of the knee. It may get better on its own or by treating the condition causing it, but you should get any lumps checked by a GP.

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 …