Navicular bone ossification

Case contributed by Servet Kahveci
Diagnosis certain

Presentation

Patient stepped on broken glass one day before, to rule out foreign body.

Patient Data

Age: 8 years
Gender: Male
x-ray

As an incidental finding, cortical irregularity noted at dorsal aspect of navicular bone, suggestive of normal variant of ossification. No foreign body is seen.

Annotated image

As an incidental finding, cortical irregularity noted at dorsal aspect of navicular bone, suggestive of normal variant of ossification.

Case Discussion

Primary ossification can radiographically appear to ossify from multiple sites. Multiple ossification center is a normal variant and occurs frequently in irregular bones. The more commonly affected foot bones are the medial cuneiform and navicular. Its appearance can vary depending on the development stage. In most patients, radiographs of these patients become normal years later.

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