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  Indian J Med Microbiol
 

Figure 1: Preoperative images (Case 1). (a) T2-weighted magnetic resonance imaging after the initial surgeries. Syringomyelia can be seen. The fourth ventricle is widely open. Foramen magnum decompression can be seen. (b) Computed tomography scan showing evidence of foramen magnum decompression. No atlantodental interval disturbance is seen. (c) Computed tomography scan with sagittal cut passing through the facets. The facets are in alignment

Figure 1: Preoperative images (Case 1). (a) T2-weighted magnetic resonance imaging after the initial surgeries. Syringomyelia can be seen. The fourth ventricle is widely open. Foramen magnum decompression can be seen. (b) Computed tomography scan showing evidence of foramen magnum decompression. No atlantodental interval disturbance is seen. (c) Computed tomography scan with sagittal cut passing through the facets. The facets are in alignment