Bilateral knee x-rays 4 weeks prior to exam show the right patella measures smaller than the left (3.5 x 2.8cm vs 3.8 x 3.6cm). Further X-rays at that time were negative for fracture. Case Photo #3
MRI right knee shows complete, undisplaced fracture off the inferior pole of the right patella, inferior patella marrow edema, inflammatory changes of the right patellar tendon consistent with stress reaction, absence of edema anterior to the patella that might otherwise have indicated soft tissue trauma. Case Photo #4 Case Photo #5
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