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Prepatellar bursitis

Patient Positioning

Patient lies supine, knee 20°–30° flexed.  Place a small pillow under the joint to keep this position.

Probe Positioning

Place the transducer on a sagittal plane in the midline over the quadriceps tendon and the cranial part of the patella (landmark).

Note: patient with prepatellar bursitis with anechoic bursal fluid

patient with acute prepatellar bursitis after tennis match, fluid analysis did not show any crystalls or bacteria.