Accessory navicular bone
Presentation
Inversion injury of the right foot with medial tenderness.
Patient Data
Age: 12 years
Gender: Female
From the case:
Accessory navicular bone
X-ray
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Frontal
- No acute fracture or dislocation
- Type II accessory navicular bone with mild adjacent soft tissue edema
Case Discussion
An accessory navicular bone, 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.
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