Cornuate navicular

Last revised by Ammar Ashraf on 27 Dec 2023

A cornuate navicular (also termed a Geist type 3 accessory navicular) is considered a fused variant of accessory navicular bones.

Radiographic features

It may be seen as a prominent bony projection to the medial aspect of the navicular bone.

Plain radiographs

Seen as a prominent medial navicular eminence and is perhaps best visualized in the lateral-oblique view.

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