In most instances, the primary cause of the Baker’s cyst is not the popliteal fossa or bursa at all but rather inflammation elsewhere in the knees such as that due to a meniscus tear or arthritis.

The popliteal fossa contains several important anatomical structures, including nerves, blood vessels, and lymph nodes. There can be various reasons for pain. It can be dull or shar pain.

is an anomaly resulting in symptomatic extrinsic compression of the popliteal artery by the surrounding musculotendinous structures; most frequently the medial head of the gastrocnemius muscle. This ...