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Related Experiment Video

Updated: Mar 19, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

U Hubbe¹, M Schumacher²

¹Abteilung Allgemeine Neurochirurgie, Neurozentrum, Neurochirurgische Universitätsklinik, Universitätsklinikum Freiburg, Germany.

Klinische Neuroradiologie

|June 21, 2016

Summary

This summary is machine-generated.

Misinterpreting spinal MRI flow voids can lead to unnecessary procedures. A new gradient-echo sequence effectively differentiates these artifacts from arteriovenous malformations, improving patient care.

Keywords:

AVM Artifact CSF-Flow Key Words: MRI Spinal TSE-Sequences

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Last Updated: Mar 19, 2026

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Published on: November 15, 2013

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Area of Science:

Radiology
Medical Imaging
Neuroscience

Context:

Spinal magnetic resonance imaging (MRI) using Turbo-Spin-Echo (TSE) sequences frequently displays flow-void structures.
These artifacts can be mistaken for intraspinal vessels, potentially leading to misdiagnosis.

Purpose:

To develop and validate a method for differentiating cerebrospinal fluid (CSF) flow artifacts from arteriovenous malformations (AVMs) in spinal MRI.
To prevent unnecessary invasive diagnostic procedures like myelography and spinal angiography.

Summary:

Turbo-Spin-Echo (TSE) sequences in spinal MRI can create flow-void artifacts that mimic blood vessels.
A modified gradient-echo sequence was employed to reliably distinguish these CSF flow artifacts from actual arteriovenous malformations.
This technique proves effective even in atypical cases, enhancing diagnostic accuracy.

Impact:

Reduces the need for invasive diagnostic procedures in patients with spinal MRI artifacts.
Improves diagnostic confidence in identifying or ruling out spinal arteriovenous malformations.
Enhances patient safety and optimizes resource utilization in neuroimaging.