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AJNR - American Journal of Neuroradiology

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Depiction of a Postoperative Pseudomeningocele with Digital Subtraction Myelography

C. Douglas Phillips^a,c, George J. Kaptain^d and Nasser Razack^b

^a Department of Radiology, Divisions of Neuroradiology, University of Virginia Health System Charlottesville, VA
^b Interventional Neuroradiology, University of Virginia Health System Charlottesville, VA
^c Department of Neurosurgery and Otolaryngology-Head and Neck Surgery, University of Virginia Health System Charlottesville, VA
^d Department of Neurosurgery, Loma Linda University Adventist Health Sciences Center, Loma Linda, CA

View larger version (89K): [in a new window]   FIG 1. Sagittal T2-weighted (5400/112 [TR/TE]) cervical MR image depicts fluid dorsal to the posterior fossa and the cervical thecal sac, but no dural leak is identified.

View larger version (89K): [in a new window]   FIG 2. Axial postmyelographic CT demonstrates the pseudomeningocele (arrow) but fails to localize the dural defect.

View larger version (108K): [in a new window]   FIG 3. Intraoperative photograph shows the dural defect. Surgical retractors extend from the occiput (patient’s left) to the level of C2 (patient’s right).