An os talotibiale is a small accessory ossicle of the foot located at the anterior aspect of the tibiotalar joint. As of 2021, there are no published case reports about this ossicle and the knowledge in the literature is still insufficient 1.
Epidemiology
It is a rare ossicle with a reported incidence of 0.5% 1.
Clinical presentation
This bone may cause anterior ankle impingement syndrome 2.
Differential diagnosis
- os supratalare
- fracture of the anterior tibial margin
- fracture of a tibiotalar spur
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