Bipartite hallux sesamoid

Case contributed by Dr Henry Knipe

Presentation

High-speed MVA. Incidental finding.

Patient Data

Age: 25
Gender: Male
Modality: X-ray

No fracture or malalignment. Incidental finding of bipartite medial hallux sesamoid and bone island in third middle phalanx. 

Case Discussion

The key differential for this cause is a fracture of the hallux sesamoid. A bipartite hallux sesamoid, as in this case, has the following features:

  • transverse lucency
  • smooth, well-corticated margins
  • two bony fragments are greater in size than the other hallux sesamoid
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Case Information

rID: 25247
Case created: 14th Oct 2013
Last edited: 31st Aug 2015
Inclusion in quiz mode: Included

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