Os calcaneus secundarius

Case contributed by Bahman Rasuli
Diagnosis certain

Presentation

Incidental finding.

Patient Data

Age: 35 years
Gender: Female
mri

Os calcaneus secundarius (an accessory ossicle) is demonstrated with a pseudo-arthrosis between it and the anterior process of the calcaneus. 

Case Discussion

This ossicle can simulate an intra-articular fracture.

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