Presentation
Jumped off a wall. Sore right knee. Able to weight bear.
Patient Data
Age: 30
Gender: Male
From the case:
Tibial plateau fracture
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Frontal

Large lipohemarthrosis. No definite fracture is seen.
From the case:
Tibial plateau fracture
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Axial bone window

Small impacted fracture of the posterolateral tibial plateau with lipohemarthrosis.
Case Discussion
Lipohemarthrosis is a specific but not sensitive indicator of intra-articular fracture of the knee. The presence of one should always prompt a thorough search for a fracture.