Dorsal avulsion fracture of the navicular bone

Case contributed by Mohammadtaghi Niknejad



Patient Data

Age: 25 years
Gender: Female

A small avulsed fragment at the dorsal aspect of the navicular bone accompanied by mild adjacent soft tissue swelling consistent with a dorsal avulsion fracture. It is important to differentiate this injury from os supranaviculare which represents a normal variant.

Case Discussion

Dorsal avulsion fracture of the navicular bone is usually associated with a dorsal talonavicular ligament injury and needs MRI evaluation if clinically indicated.

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