Patellar fracture

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Fall off bike.

Patient Data

Age: 30 years
Gender: Male
x-ray

Vertically oriented fracture through the lateral patella. Large suprapatellar joint effusion. 

Case Discussion

Vertically-oriented patellar fractures can be difficult to diagnose on AP and lateral projections but are typically obvious on the skyline projection.

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