The popliteal fossa is to be examined bilaterally with the knee in a semi-flexed position. In some 60% of cases, the popliteal<unk>  presents as a palpable pulsatile mass at the level of the knee joint. Doppler ultrasonography is the preferred diagnostic method. CT and MR angiography may also be employed. Differential diagnosis Differential diagnoses include; popliteal cyst, adventitial cyst, lymphadenopathy, varicose vein.
Popliteal artery aneurysm
Popliteal artery entrapment syndrome
Neurogenic claudication
Raynaud syndrome
Arterial tortuosity syndrome
Veinoplus
Superficial vein thrombosis
Diabetic foot