Bipartite hallux sesamoid

Case contributed by Dr Pir Abdul Ahad Aziz


Foot pain.

Patient Data

Age: 65 years
Gender: Male

Reduced bone density with degenerative changes.

There is a bipartite medial hallux sesmoid.

Two tiny ossicles in between heads of 4th and 5th metatarsals representing additional small sesamoid bones.

Case Discussion

This case might prompt a differential diagnosis of bipartite hallux sesamoid vs. hallux sesamoid fracture.

Important points to differentiate between bipartite over a fractured sesamoid are:

  • transverse lucency
  • smooth, well-corticated margins

are favored in a bipartite sesamoid.

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Case information

rID: 42490
Published: 23rd Jan 2016
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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