Os tibiale externum type II and III

Case contributed by Dr Matt Skalski

Presentation

Foot pain.

Patient Data

Age: 20
Gender: Female
Modality: X-ray

An ossicle is present adjacent to the medial aspect of the left navicular bone, with a similar elongation of the  medial process of the right navicular which has medullary continuity. 

Modality: X-ray

The findings are outlined. 

Case Discussion

Typical example of both a type II (>7mm) and type III (fused ossice/cornuate process) os tibiale externum (os naviculare). Type II's may occasionally be associated with pain due to motion and irritation at the fibro-osseous joint between the ossicle and bone. 

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Case Information

rID: 40164
Case created: 9th Oct 2015
Last edited: 9th Oct 2015
Inclusion in quiz mode: Included

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