Suprapatellar longitudinal scan

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The patient lies supine, knee flexed at 15°. The transducer is placed longitudinally in the midline with the distal end of the probe over the superior pole of the patella.

Skin, subcutaneous fat, quadriceps tendon, prefemoral fat pads, patella and shaft of femur are visualised. The suprapatellar bursa is in the middle of the prefemoral fat pads.