Factors affecting successful ultrasound-guided injection into the podotrochlear bursa using a palmarolateral approach.

Objective: To evaluate potential factors affecting ultrasonographic visibility of the suprasesamoidean region and the success rate of ultrasound-guided injection (USGI) into the podotrochlear bursa (PB).

Study Design: Ex vivo, experimental study.

Animals: 24 cadaveric forelimbs.