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  Indian J Med Microbiol
 

Figure 2: (a) Axial T2-weighted magnetic resonance image (MRI) shows flow voids of bilateral internal carotid arteries (ICAs) in retropharyngeal space (arrowheads) and (b) sagittal T2-weighted MRI showing atlanto-axial dislocation and basilar invagination (arrow) causing cervico-medullary compression. Also flow-void of ICAs is appreciated anterior to spine (arrowhead)

Figure 2: (a) Axial T2-weighted magnetic resonance image (MRI) shows flow voids of bilateral internal carotid arteries (ICAs) in retropharyngeal space (arrowheads) and (b) sagittal T2-weighted MRI showing atlanto-axial dislocation and basilar invagination (arrow) causing cervico-medullary compression. Also flow-void of ICAs is appreciated anterior to spine (arrowhead)