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Leptomeningeal Enhancement on Magnetic Resonance Imaging as a Predictor of Hemodynamic Insufficiency

Leptomeningeal Enhancement on Magnetic Resonance Imaging as a Predictor of Hemodynamic Insufficiency ORIGINAL ARTICLE Leptomeningeal Enhancement on Magnetic Resonance Imaging as a Predictor of Hemodynamic Insufficiency Doran Hong, MD,* Hyung Suk Seo, MD, PhD,* Young Hen Lee, MD, PhD,* Ki Joon Kim, MD, PhD,† Sang-il Suh, MD, PhD,‡ and Jin-Man Jung, MD§ image. Some previous studies have reported that the compensatory Objective: The objective of this study was to evaluate the value of mechanism may increase the blood volume using the collateral cir- leptomeningeal enhancement on magnetic resonance imaging in relation 6–9 culation to protect the brain from ischemic injury. On the other to relative cerebral blood flow (rCBF) and cerebrovascular reserve. hand, others have demonstrated that secondary pathways such as Methods: A retrospective analysis was performed for 31 patients with in- leptomeningeal collaterals may be inadequate primary collaterals ternal carotid artery or proximal middle cerebral artery occlusion without 10–12 and, thus, serve as a marker of hemodynamic impairment. primary collateral flow, who underwent enhanced T1-weighted magnetic Magnetic resonance imaging or MR angiography that in- resonance imaging and acetazolamide-challenged perfusion computed to- cludes an enhancing study is usually used to evaluate stroke. We mography. They were graded into 3 groups in leptomeningeal enhance- hypothesized that enhanced MRI provides insight on the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computer Assisted Tomography Wolters Kluwer Health

Leptomeningeal Enhancement on Magnetic Resonance Imaging as a Predictor of Hemodynamic Insufficiency

Jung, Jin-Man
Journal of Computer Assisted Tomography , Volume 39 (3) – May 1, 2015
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References (33)

Copyright
Copyright © 2015 Wolters Kluwer Health, Inc. All rights reserved.
ISSN
0363-8715
eISSN
1532-3145
DOI
10.1097/RCT.0000000000000213
pmid
25695866
Publisher site
See Article on Publisher Site

Abstract

ORIGINAL ARTICLE Leptomeningeal Enhancement on Magnetic Resonance Imaging as a Predictor of Hemodynamic Insufficiency Doran Hong, MD,* Hyung Suk Seo, MD, PhD,* Young Hen Lee, MD, PhD,* Ki Joon Kim, MD, PhD,† Sang-il Suh, MD, PhD,‡ and Jin-Man Jung, MD§ image. Some previous studies have reported that the compensatory Objective: The objective of this study was to evaluate the value of mechanism may increase the blood volume using the collateral cir- leptomeningeal enhancement on magnetic resonance imaging in relation 6–9 culation to protect the brain from ischemic injury. On the other to relative cerebral blood flow (rCBF) and cerebrovascular reserve. hand, others have demonstrated that secondary pathways such as Methods: A retrospective analysis was performed for 31 patients with in- leptomeningeal collaterals may be inadequate primary collaterals ternal carotid artery or proximal middle cerebral artery occlusion without 10–12 and, thus, serve as a marker of hemodynamic impairment. primary collateral flow, who underwent enhanced T1-weighted magnetic Magnetic resonance imaging or MR angiography that in- resonance imaging and acetazolamide-challenged perfusion computed to- cludes an enhancing study is usually used to evaluate stroke. We mography. They were graded into 3 groups in leptomeningeal enhance- hypothesized that enhanced MRI provides insight on the

Journal

Journal of Computer Assisted Tomography – Wolters Kluwer Health

Published: May 1, 2015

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