Fracture of the anterior process of the calcaneum on lateral ankle radiograph

Case contributed by Assoc Prof Craig Hacking


Inversion injury. Tender lateral malleolus.

Patient Data

Age: 35 years
Gender: Male

Alignment is normal. The lateral projection demonstrates a cortical breach in the dorsal aspect of the anterior process of the calcaneum, suspicious for an undisplaced fracture. Malleoli are intact and the syndesmosis is normal.

Case Discussion

A CT performed elsewhere (images not available) confirmed the fracture.

The anterior process of the calcaneum is one of the review areas on the lateral projection of ankle radiographs, along with the base of the 5th metatarsal. Both these fractures can present with pain isolated over the lateral malleolus.

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Case information

rID: 80426
Published: 24th Jul 2020
Last edited: 26th Jul 2020
Inclusion in quiz mode: Included

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