Os supratalare


An os supratalare is an accessory ossicle of the foot located at the superior aspect of the talar head or neck. It has a reported incidence of ~1% (range 0.2-2.4%) . It is almost always asymptomatic.
Differential diagnosis
- os supranaviculare is also anatomically seen in close proximity to the superior margin of the navicular and is often mistaken as os supratalare
- os talotibiale
- avulsion fracture of the dorsal talonavicular ligament
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