October 2012 - Volume 91 - Issue 10
pp: 823-910

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Creator: Chih-Kuang Chen, MD, Henry L. Lew, MD, PhD, and Roanna I.H. Liao, MD
Duration: 4:14
Journal: American Journal of Physical Medicine & Rehabilitation October 2012, Volume 91, Issue 10;
On musculoskeletal ultrasound, the diagnosis of a Baker’s cyst can be established by identification of a popliteal cystic lesion, with a fluid-containing neck between the tendon of semimembranosus and medial head of gastrocnemius. A color Doppler view should be obtained to rule out any vascular lesion. Under real-time ultrasound-guidance, aspiration of the Baker’s cyst can be safely and accurately performed.