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 Indian J Med Microbiol  
 

Figure 20 (A-D): An oval T2 hypointense (A) and T1 isointense (B) dural-based mass (thin black arrow) is seen in the anterior part of foramen magnum with homogeneous postcontrast enhancement (C and D) suggestive of meningioma. It causes encasement of left vertebral artery (thick black arrow) and compression of cervicomedullary junction with resultant cervical syrinx (white arrow)

Figure 20 (A-D): An oval T2 hypointense (A) and T1 isointense (B) dural-based mass (thin black arrow) is seen in the anterior part of foramen magnum with homogeneous postcontrast enhancement (C and D) suggestive of meningioma. It causes encasement of left vertebral artery (thick black arrow) and compression of cervicomedullary junction with resultant cervical syrinx (white arrow)