Os tibiale externum (os naviculare accessorium)

Case contributed by Dr Hani Al Salam



Modality: X-ray

Os naviculare.

Case Discussion

An os tibiale externum (or accessory navicular / os naviculare accessorium) is a large ossicle adjacent to the medial side of the navicular bone. 

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Case Information

rID: 10484
Diagnostic certainty: Certain
System: Musculoskeletal
Inclusion in quiz mode: Included

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