On ultrasound, lipohemarthrosis—the presence of blood and fat in the joint cavity—is a key clinical indicator of an intra-articular fracture.
Lipohemarthrosis appears as three distinct layers near the joint line.
Salerno A. Lipohemarthrosis. Floating fat in an intra-articular fracture. Visual Journal of Emergency Medicine. 2022, 26:101236.
