Interphalangeal joint sesamoid (hand)

Last revised by Calum Worsley on 19 Jan 2024

A sesamoid bone at the interphalangeal joint of the hand is relatively common position for occurrence of a sesamoid bone. It may be present in around 67% of the adult population 1. They are typically seen as a single small corticated ossicle adjacent to the volar margin of the interphalangeal joint. Most people have one sesamoid bone in this location 3.

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