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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Imaging the spine in arthritis—a pictorial review

Fig. 2

Lateral and rotatory atlanto-axial subluxation. AP open-mouth view in a 53-year-old man with RA. There is narrowing of the atlanto-axial joints with superficial erosions (black arrow) and lateral displacement of the axis with respect to the lateral masses of the atlas (white arrow); in addition signs indicating rotatory displacement with asymmetry of the distance between the dens and the lateral masses of the atlas

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