Flow voids in time-of-flight MR angiography of carotid artery stenosis? It depends on the TE!

MH Lev, JM Romero, RG Gonzalez - AJNR: American Journal of …, 2003 - ncbi.nlm.nih.gov
Nederkoorn et al (1) conclude that flow voids on nonenhanced 3D time-of-flight (TOF) MR
angiography (MRA) images represent severe carotid artery stenosis. Although they present …

Time-of-flight MR angiography of carotid artery stenosis: does a flow void represent severe stenosis?

PJ Nederkoorn, Y van der Graaf… - American journal …, 2002 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Time-of-flight (TOF) magnetic resonance angiography
(MRA) is commonly used to visualize the carotid arteries; however, flow void artifacts can …

Small aneurysm size is a risk factor for perforation during coiling

M Sluzewski, WJ Van Rooij - AJNR: American Journal of …, 2003 - ncbi.nlm.nih.gov
Nederkoorn et al (1) conclude that flow voids on nonenhanced 3D time-of-flight (TOF) MR
angiography (MRA) images represent severe carotid artery stenosis. Although they present …

Flow voids and carotid MR angiography

JE Heiserman - American journal of neuroradiology, 2003 - Am Soc Neuroradiology
I read with interest the recent article by Nederkoorn and coworkers (1) regarding the
occurrence of flow voids in 3D time-of-flight MR angiography (TOF-MRA) of the carotid …

Contrast-enhanced MR angiography in patients with carotid artery stenosis: comparison of two different techniques with an unenhanced 2D time-of-flight sequence

HR Jäger, EA Moore, M Bynevelt, S Coley, P Mounfield… - Neuroradiology, 2000 - Springer
Conventional time-of-flight (TOF) MR angiography (MRA) in carotid artery stenosis relies on
flow-related enhancement to produce signal from vascular structures. Intravoxel phase …

Visualization of subdural electrodes

C Vollmar, PA Winkler… - American journal of …, 2003 - Am Soc Neuroradiology
I read with interest the recent article by Nederkoorn and coworkers (1) regarding the
occurrence of flow voids in 3D time-of-flight MR angiography (TOF-MRA) of the carotid …

[PDF][PDF] Assessment of carotid artery stenosis by MR angiography

RH Ackerman, MR Candia - AJNR: American Journal of …, 1992 - Am Soc Neuroradiology
Anderson et al in this issue of AJNR compare magnetic resonance angiography (MRA), x-
ray angiography (XRA), and carotid ultrasound (US) in the examination of atheromatous …

Evaluation of classic 2D time-of-flight MR angiography in the depiction of severe carotid stenosis

JK DeMarco, J Huston III… - American Journal of …, 2004 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this study is to determine the sensitivity, specificity, and clinical
utility of classic 2D time-of-flight MR angiography (acquired with derated gradients) as an aid …

Potential role of MR angiography as a screening modality for carotid artery disease

R Porges, TM Grist, OB Boyko, C Yuan… - Seventy sixth scientific …, 1990 - inis.iaea.org
[en] This paper correlates two-and three-dimensional (2D and 3D) time-of-flight (TOF) MR
angiography (MRA) with conventional angiography (CA) time-of-flight of the carotid artery …

Re-circulation artefact at the carotid bulb can be differentiated from true stenosis

KJ Ahn, WJ You, JH Lee, BJ Kang… - The British Journal of …, 2004 - birpublications.org
Re-circulation artefact developing secondary to vortex flow at the bulb of the internal carotid
artery is very difficult to distinguish from true stenotic defect on two-dimensional Fourier …