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Although tuberculosis is an uncommon cause of spinal arachnoiditis,it needs to be differentiated from other causes of arachnoiditis because it is a treatable disease.Myelography,which is the imaging modality of choice for the chronic adhesive stage of tuberculous arachnoiditis,usually reveals irregularity of the thecal sac,nodularity and thickening of nerve roots,clumping of roots to each other or to the thecal sac,or CSF block. Recently Gd-diethylenetriamine pentaacetic acid enhanced MRI has been found to be useful for the active phase of tuberculous infection, effectively demonstrating abnormally thickening and enhancing meninges, intra-and extramedullary tuberculosous nodules,and spinal cord changes.We present the MRI features in a case of acute tuberculous arachnoiditis. |
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arachnoiditis
meninges
meningitis,TB
MRI
MRI,abnormal
MRI,contrast enhanced
MRI,spinal cord
myeloradiculitis
tuberculosis
tuberculosis,spinal
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