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MR Myelography for the Detection of CSF-Venous Fistulas

MR Myelography for the Detection of CSF-Venous Fistulas BRIEF/TECHNICAL REPORT SPINE J.L. Chazen, M.S. Robbins, S.B. Strauss, A.D. Schweitzer, and J.P. Greenfield ABSTRACT SUMMARY: CSF-venous fistula is an important treatable cause of spontaneous intracranial hypotension that is often difficult to detect using traditional imaging techniques. Herein, we describe the technical aspects and diagnostic performance of MR myelogra- phy when used for identifying CSF-venous fistulas. We report 3 cases in which the CSF-venous fistula was occult on CT myelogra- phy but readily detected using MR myelography. ABBREVIATIONS: CVF ¼ CSF-venous fistula; SIH ¼ spontaneous intracranial hypotension; VIBE ¼ volumetric interpolated brain examination SF-venous fistula (CVF) is an important cause of spontane- the stylet in place. The patient was positioned in a decubitus Cous intracranial hypotension (SIH) and a critical diagnosis Trendelenberg position and rolled multiple times to disperse 1-5 because treatment can result in a clinical cure. The fistulous contrast throughout the subarachnoid space. The patient was connection is typically associated with a nerve root sleeve diver- then transferred to the MR imaging suite where MR myelogra- ticulum; therefore, a detectable epidural fluid collection is often phy was performed on a 3T Biograph mMR scanner (Siemens) absent. Some authors advocate decubitus CT myelography to using multiplanar fat-suppressed T1 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

MR Myelography for the Detection of CSF-Venous Fistulas

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Publisher
American Journal of Neuroradiology
Copyright
© 2020 by American Journal of Neuroradiology
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.A6521
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Abstract

BRIEF/TECHNICAL REPORT SPINE J.L. Chazen, M.S. Robbins, S.B. Strauss, A.D. Schweitzer, and J.P. Greenfield ABSTRACT SUMMARY: CSF-venous fistula is an important treatable cause of spontaneous intracranial hypotension that is often difficult to detect using traditional imaging techniques. Herein, we describe the technical aspects and diagnostic performance of MR myelogra- phy when used for identifying CSF-venous fistulas. We report 3 cases in which the CSF-venous fistula was occult on CT myelogra- phy but readily detected using MR myelography. ABBREVIATIONS: CVF ¼ CSF-venous fistula; SIH ¼ spontaneous intracranial hypotension; VIBE ¼ volumetric interpolated brain examination SF-venous fistula (CVF) is an important cause of spontane- the stylet in place. The patient was positioned in a decubitus Cous intracranial hypotension (SIH) and a critical diagnosis Trendelenberg position and rolled multiple times to disperse 1-5 because treatment can result in a clinical cure. The fistulous contrast throughout the subarachnoid space. The patient was connection is typically associated with a nerve root sleeve diver- then transferred to the MR imaging suite where MR myelogra- ticulum; therefore, a detectable epidural fluid collection is often phy was performed on a 3T Biograph mMR scanner (Siemens) absent. Some authors advocate decubitus CT myelography to using multiplanar fat-suppressed T1

Journal

American Journal of Neuroradiology – American Journal of Neuroradiology

Published: May 1, 2020

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