From the case: Os tibiale externum

X-ray
Lateral
Modality: X-ray (Lateral)

- “ Os tibiale externum (accessory navicular) is a large ossicle adjacent to the medial side of the navicular bone. The tibialis posterior tendon ofte...”

Used in the following article:

  • Accessory ossicles of the foot - “ Accessory ossicles of the feet are common developmental variants with almost 40 having been described. Some of the more common include 1-4: os pe...”
  • Os tibiale externum - “ An os tibiale externum, also known as an accessory navicular or os naviculare accessorium, is a large accessory ossicle that can be present adjace...”

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