Bipartite medial hallux sesamoid

Case contributed by Pir Abdul Ahad Aziz Qureshi


Pain in foot.

Patient Data

Age: 40 years
Gender: Female

Bipartite medial (tibial) sesamoid at the head of the 1st metatarsal.

Case Discussion

Bipartite hallux sesamoid is a normal variant that can be seen in approximately 33% of hallux sesamoids. The essential differential diagnosis of bipartite hallux sesamoid is a fractured bone that can be challenging to differentiate. The features that support a bipartite over a fractured sesamoid include:

  • transverse lucency
  • smooth, well-corticated margins

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