Accessory navicular bones bilaterally

Case contributed by Mohamed Mahmoud Elthokapy
Diagnosis certain

Presentation

Bilateral midfeet medial aspect pain. No history of trauma

Patient Data

Age: 35 years
Gender: Female

X-ray both feet AP view

x-ray
  • type II accessory navicular bones bilaterally with mild adjacent soft tissue edema.
  • no acute fracture or dislocation.

Case Discussion

Accessory navicular bones, also referred to as os naviculare accessorium, is a relatively common anatomical variant present in around 10% of people. Although usually asymptomatic, an accessory navicular bone can cause medial foot pain called os naviculare syndrome as in this case.

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