Sesamoid fracture
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Sesamoid fractures occur as a result of trauma to a previous unipartite sesamoid bone. They mostly occur in relation to the sesamoids of the foot - i.e. Hallux sesamoid or hand sesamoids.
Radiographic features
On some occasions, an acute fracture of the unipartite sesamoid can be differentiated from a congenital bipartite sesamoid using a bone scan or MRI 1. The separated bony margins may be sharper on a radiograph.
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