Cyamella

Case contributed by Craig Hacking

Presentation

Twisted knee

Patient Data

Age: 25 years
Gender: Male
x_ray

No acute injury.

Small ossicle at the femoral insertion of the popliteus tendon in keeping with a cyamella.

Case Discussion

cyamella is a rare sesamoid bone that exists as a normal variant within the popliteus tendon, characteristically located at the lateral aspect of the distal femur in the popliteal groove. 

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