Fabella

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Twisted knee at soccer.

Patient Data

Age: 25
Gender: Male
x-ray

No fracture. Small knee joint effusion. Incidental note of fabella. 

Annotated image

Red circle highlights position of the fabella on the frontal projection. 

Case Discussion

This case is a good example of a large fabella, especially on the frontal projection where they are not as readily identified. 

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