Patella fracture

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Fall on right knee. Unable to weight bear.

Patient Data

Age: 80 years
Gender: Female

Right knee

x-ray

Vertical fracture through the patella. Knee joint effusion. 

Right knee

ct

Undisplaced, longitudinal sagittal comminuted fracture through the patella extending to the lateral articular facet, without a step or articular gap. Moderate-sized joint effusion. No tibial or femoral fracture was identified. Small calcific focus medial to the knee joint may represent calcification within the medial collateral ligament or represent old trauma.

Background mild degenerative change.

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