MR of slow CSF flow in the spine

To evaluate a slow-flow MR sequence in normal CSF flow and in CSF flow disturbance in cases of spinal stenosis. The method was tested for flow sensitivity and applied to 67 sites of spinal canal compromise. Phantom studies show that flow can be depicted at a velocity of 0.5-1 mm/sec. On clinical ima...

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Published in:American journal of neuroradiology : AJNR 1992-09, Vol.13 (5), p.1393-1403
Main Authors: Schellinger, D, LeBihan, D, Rajan, SS, Cammarata, CA, Patronas, NJ, Deveikis, JP, Levy, LM
Format: Article
Language:English
Subjects:
Bioengineering
Biological and medical sciences
Cerebrospinal Fluid
Cerebrospinal Fluid - physiology
Diseases of the osteoarticular system
Humans
Imaging
Life Sciences
Magnetic Resonance Imaging
Medical sciences
Reference Values
Spinal Stenosis
Spinal Stenosis - cerebrospinal fluid
Spinal Stenosis - diagnosis
Spine
Spine - physiopathology
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container_end_page 1403
container_issue 5
container_start_page 1393
container_title American journal of neuroradiology : AJNR
container_volume 13
creator Schellinger, D
LeBihan, D
Rajan, SS
Cammarata, CA
Patronas, NJ
Deveikis, JP
Levy, LM
description To evaluate a slow-flow MR sequence in normal CSF flow and in CSF flow disturbance in cases of spinal stenosis. The method was tested for flow sensitivity and applied to 67 sites of spinal canal compromise. Phantom studies show that flow can be depicted at a velocity of 0.5-1 mm/sec. On clinical images, stagnant CSF is black, flowing CSF is bright. Typically, in high-grade (90%-100%) stenosis, CSF above and below the site of spinal canal compromise (SCC) is black. With intermediate stenosis (50%-89%), CSF above the SCC remains white but becomes black distal to the SCC. Low-grade stenosis shows only localized flow disturbances. This easy-to-use sequence can solidify the MR diagnosis of high-grade stenosis when a distinct flow pattern is recognized. Flow patterns for intermediate and low-grade stenosis are less reliable.
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subjects Bioengineering
Biological and medical sciences
Cerebrospinal Fluid
Cerebrospinal Fluid - physiology
Diseases of the osteoarticular system
Humans
Imaging
Life Sciences
Magnetic Resonance Imaging
Medical sciences
Reference Values
Spinal Stenosis
Spinal Stenosis - cerebrospinal fluid
Spinal Stenosis - diagnosis
Spine
Spine - physiopathology
title MR of slow CSF flow in the spine
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