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DICOM HelpSource: Local (us-east1-c)
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Demographics:
48 years old, Male
Indication:
Trauma
Findings
- Large lipohemarthrosis
- No acute fracture identified
Diagnosis
Lipohemarthrosis
Sample Report
Large lipohemarthrosis without acute fracture identified. Consider CT for further evaluation.
Joint spaces are maintained.
Discussion
- Cross-table lateral knee views are important in the setting of trauma to evaluate for lipohemarthrosis
- Lipohemarthrosis often results from an intra-articular fracture resulting in release of fat (“lipo”) and blood (“hemo”) into the joint space
- Look for a layering fat-fluid level on cross table lateral view
- When you see lipohemarthrosis and don’t see a fracture, always raise the possibility of an occult fracture and suggest CT or MRI for further evaluation
- This patient had an impaction fracture of the medial femoral condyle that was even subtle on CT
Annotated Images & Illustrations
Lipohemarthrosis. Red arrows indicate the fat-fluid level.