Research ArticleSPINE
The “Hyperdense Paraspinal Vein” Sign: A Marker of CSF-Venous Fistula
P.G. Kranz, T.J. Amrhein, W.I. Schievink, I.O. Karikari and L. Gray
American Journal of Neuroradiology February 2016, DOI: https://doi.org/10.3174/ajnr.A4682
P.G. Kranz
From the Departments of Radiology (P.G.K., T.J.A., L.G.) and Neurosurgery (I.O.K.), Duke University Medical Center, Durham, North Carolina: and Department of Neurosurgery (W.I.S.), Cedars-Sinai Medical Center, Los Angeles, California.
T.J. Amrhein
From the Departments of Radiology (P.G.K., T.J.A., L.G.) and Neurosurgery (I.O.K.), Duke University Medical Center, Durham, North Carolina: and Department of Neurosurgery (W.I.S.), Cedars-Sinai Medical Center, Los Angeles, California.
W.I. Schievink
From the Departments of Radiology (P.G.K., T.J.A., L.G.) and Neurosurgery (I.O.K.), Duke University Medical Center, Durham, North Carolina: and Department of Neurosurgery (W.I.S.), Cedars-Sinai Medical Center, Los Angeles, California.
I.O. Karikari
From the Departments of Radiology (P.G.K., T.J.A., L.G.) and Neurosurgery (I.O.K.), Duke University Medical Center, Durham, North Carolina: and Department of Neurosurgery (W.I.S.), Cedars-Sinai Medical Center, Los Angeles, California.
L. Gray
From the Departments of Radiology (P.G.K., T.J.A., L.G.) and Neurosurgery (I.O.K.), Duke University Medical Center, Durham, North Carolina: and Department of Neurosurgery (W.I.S.), Cedars-Sinai Medical Center, Los Angeles, California.
Abstract
SUMMARY: CSF-venous fistula is a recently reported cause of spontaneous intracranial hypotension that may occur in the absence of myelographic evidence of CSF leak. Information about this entity is currently very limited, but it is of potential importance given the large percentage of cases of spontaneous intracranial hypotension associated with negative myelography findings. We report 3 additional cases of CSF-venous fistula and describe the “hyperdense paraspinal vein” sign, which may aid in its detection.
Abbreviation
- SIH
- spontaneous intracranial hypotension
- © 2016 American Society of Neuroradiology
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The “Hyperdense Paraspinal Vein” Sign: A Marker of CSF-Venous Fistula
P.G. Kranz, T.J. Amrhein, W.I. Schievink, I.O. Karikari, L. Gray
American Journal of Neuroradiology Feb 2016, DOI: 10.3174/ajnr.A4682
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