Os calcaneus secundarius

Case contributed by Servet Kahveci


Injury to the left foot. On physical examination, there was no swelling and range of motion of the ankle joint was normal.

Patient Data

Age: 40 years
Gender: Male

On oblique view, well-corticated bone fragment is seen between cuboid and calcaneus, suggestive of os calcaneus secundarius

Case Discussion

Os calcaneus secundarius is an accessory ossicle of the anterior facet of the calcaneus and can be easily confused with anterior calcaneal process fracture.

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