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Insights into Imaging
Fig. 15 | Insights into Imaging

Fig. 15

From: Malformed vertebrae: a clinical and imaging review

Fig. 15

Persistent ossiculum terminale: Sagittal (a) and axial (b) images from a non-contrast CT of the cervical spine in a 32 year old demonstrate a small, well-corticated ossific density along the superior margin of the dens (arrows on images a and b). This likely represents the persistent ossiculum terminale, which arises as a result of failure of fusion of the secondary ossification centre with the superior aspect of the dens. This entity can be mistaken for a remote type I fracture of the dens

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