<prompt> Bakers cyst is a type ofPulsion diveiculum of knee jointRetention cystBursistisBenign tumor  <response>: Answer- A. Pulsion diveiculum of knee jointIt is the pulsion diveiculum of the knee joint, caused by chronic disease in the joint.Bulging of the posterior capsule and synol herniation may produce a swelling in the popliteal fossa. 