Lipohemarthrosis

Case contributed by Ian Bickle
Diagnosis certain

Presentation

Injury to knee.

Patient Data

Age: 45
Gender: Male
x-ray
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Info

Large joint effusion with a perfectly horizontal fat-fluid level.

No fracture.

Case Discussion

Typical appearances of a lipohemarthrosis.

Fat in the effusion indicates a fracture with extension into the bone marrow.

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