High-resolution magnetic resonance vessel wall imaging in cerebrovascular diseases

Rajendran Adhithyan1, Praveen Kesav2, Bejoy Thomas1

  • 1Department of Imaging Sciences and Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.

Neurology India
|July 25, 2018
PubMed

Insights

High-resolution vessel wall imaging (VWI) offers advanced diagnostic capabilities for intracranial vascular disorders. This technique improves diagnosis accuracy for conditions like atherosclerosis and vasculitis, enabling better patient management.

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Intracranial vascular disorders such as atherosclerosis, vasculitis, and reversible cerebral vasoconstriction syndrome (RCVS) often present with similar findings on conventional imaging (CT, MRI, DSA).
  • This diagnostic ambiguity necessitates advanced imaging techniques for accurate identification and timely clinical management.

Purpose of the Study:

  • To outline the protocol for high-resolution three-dimensional (3D) vessel wall imaging (VWI).
  • To discuss the current applications of high-resolution VWI in diagnosing intracranial vascular disorders.

Main Methods:

  • Utilizing advanced three-dimensional (3D) imaging sequences for high-resolution vessel wall imaging (VWI).
  • Focusing on the technical aspects and protocol development for VWI acquisition.

Main Results:

  • High-resolution VWI provides detailed visualization of the intracranial vessel wall, differentiating it from lumenographic findings.
  • The study establishes VWI as a crucial tool for confirming diagnoses that are ambiguous on traditional modalities.

Conclusions:

  • High-resolution VWI is essential for accurate diagnosis of complex intracranial vascular conditions.
  • Implementing standardized VWI protocols facilitates improved clinical decision-making and patient outcomes.

Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
9.7K
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
283
Atomic Nuclei: Magnetic Resonance01:05

Atomic Nuclei: Magnetic Resonance

The number of nuclear spins aligned in the lower energy state is slightly greater than those in the higher energy state. In the presence of an external magnetic field, as the spins precess at the Larmor frequency, the excess population results in a net magnetization oriented along the z axis. When a pulse or a short burst of radio waves at the Larmor frequency is applied along the x axis, the coupling of frequencies causes resonance and flips the nuclear spins of the excess population from the...
1.2K
Nuclear Magnetic Resonance (NMR): Overview01:07

Nuclear Magnetic Resonance (NMR): Overview

Nuclear magnetic resonance (NMR) is a phenomenon exhibited by certain nuclei that can absorb characteristic radio frequency radiation under certain conditions. NMR has been extensively applied in molecular spectroscopy and medical diagnostic imaging. In both these applications, the molecule or subject under study is placed in a magnetic field and irradiated with radio frequency energy.
NMR spectroscopy generates a spectrum where the characteristic absorption frequencies of the sample are...
7.0K
Plant Cell Wall02:43

Plant Cell Wall

The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.
60.5K
Resonance02:52

Resonance

The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N-O and N=O bonds.
65.7K