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Accessory navicular (Os tibiale externum)

Case contributed by: Radswiki

From the case: Accessory navicular (Os tibiale externum)

Modality: MRI

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Case Discussion:

MR images demonstrate bilateral type II accessory navicular ( also called Os naviculare or Os tibiale externum) bones.

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accessory navicular

This case was donated to Radiopaedia.org by Radswiki.net.

The images are from Dr. John Hunter's amazing MSK collection. Dr. John Hunter is a professor in the department of radiology (musculoskeletal section) at UC Davis School of Medicine.