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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 28:220-221, February 2007
© 2007 American Society of Neuroradiology

Case Report
SPINE

Spinal Subarachnoid Hematoma Resulting from Lumbar Myelography

M.D. Sather^a, M.D. Gibson^b and J.S. Treves^c

^a Section of Neurosurgery, University of Nebraska Medical Center, Omaha, Neb
^b Department of Radiology, Methodist Hospital, Omaha, Neb
^c Midwest Neurosurgery PC, Omaha, Neb

Please address correspondence to Michael D. Sather, MD, Section of Neurosurgery, University of Nebraska Medical Center, 982035 Nebraska Medical Center, Omaha, NE 68198-2035; e-mail: msather{at}unmc.edu

SUMMARY: We describe a rare complication of myelography. A subarachnoid filling defect was apparent on the postmyelographic CT but not on conventional myelography. MR imaging performed later showed a spinal subarachnoid hematoma (SSAH), extending from L3 to L5. Lumbar puncture may rarely be a cause for SSAH and is more common in patients with coagulopathy. Significant back pain, paresis, radiculopathy, and even altered consciousness or meningeal signs may herald an SSAH.

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