Os peroneum

Case contributed by Dr Bahman Rasuli


Incidental finding.

Patient Data

Age: 40 years
Gender: Female

A well-corticated small osseous fragment is noted lateral to the cuboid.

The calcaneal spur is seen.

The bony prominence of the posterosuperior aspect of the calcaneus at the site of the achilles tendon insertion, suggesting enthesopathy. 

No evidence of fracture or other osseous pathology.

Case Discussion

An os peroneum is a small accessory bone located just proximal to the base of the fifth metatarsal and located within the substance of peroneus longus tendon as it arches around the cuboid.

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Case information

rID: 72197
Published: 26th Nov 2019
Last edited: 26th Nov 2019
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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