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Intracranial vessel wall imaging: applications, interpretation, and pitfalls.

Authors
  • Leao, D J1
  • Agarwal, A2
  • Mohan, S3
  • Bathla, G4
  • 1 Federal University of Uberlandia, Av. Amazonas, 1996 - Jardim Umuarama, Uberlandia, MG, 38405-302, Brazil. Electronic address: [email protected] , (Brazil)
  • 2 UT Southwestern Medical Center, Neuroradiology Division, 5200 Harry Hines Blvd, Dallas, TX, 75235, USA.
  • 3 Perelman School of Medicine at the University of Pennsylvania, Department of Radiology, 3400 Spruce Street, Philadelphia, PA, 19104, USA.
  • 4 University of Iowa, Hospitals and Clinics, Radiology, 200 Hawkins Dr, Iowa City, IA, 52246, USA.
Type
Published Article
Journal
Clinical radiology
Publication Date
Oct 01, 2020
Volume
75
Issue
10
Pages
730–739
Identifiers
DOI: 10.1016/j.crad.2020.02.006
PMID: 32197916
Source
Medline
Language
English
License
Unknown

Abstract

Vessel wall imaging (VWI) is being increasingly used as a non-invasive diagnostic method to evaluate the intra- and extracranial vascular bed. Whereas conventional vascular imaging primarily assesses the vessel lumen, VWI changes the focus of analysis toward the vessel wall. As the technical challenges of high spatial resolution, signal-to-noise ratio, and contrast-to-noise ratio and long scans times are addressed, interest in the clinical applications of this technique has steadily increased over the years. In this review, the authors will discuss the various applications of VWI as well as principles of interpretation and common imaging findings, focusing on intracranial atherosclerosis, vascular dissection, vasculitides (such as primary angiitis of the central nervous system (PACNS) and neurosarcoidosis), vasculopathies (such as reversible cerebral vasoconstriction syndrome (RCVS), cocaine-induced vasculopathy, moyamoya disease, and radiation-induced arteriopathy), aneurysms, and post-thrombectomy changes. The authors will also discuss the potential pitfalls of VWI and helpful cues to avoid being tricked. Copyright © 2020 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.

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