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Pol J Radiol. 2017 Dec 15;82:731-741. doi: 10.12659/PJR.903491. eCollection 2017.

Magnetic Resonance (MR) Imaging of Vascular Malformations.

Author information

1
Division of Imaging Research and Biomedical, Engineering, St. Thomas' Hospital, London, ON, Canada.
2
Department of Diagnostic Radiology, Geisinger Medical Center, Danville, PA, U.S.A.
3
Division of Emergency and Trauma Radiology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
4
Department of Diagnostic Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC, Canada.

Abstract

Vascular malformations pose a diagnostic and therapeutic challenge due to the broad differential diagnosis as well as common utilization of inadequate or inaccurate classification systems among healthcare providers. Therapeutic approaches to these lesions vary based on the type, size, and extent of the vascular anomaly, necessitating accurate diagnosis and classification. Magnetic resonance (MR) imaging (MRI) is an effective modality for classifying vascular anomalies due to its ability to delineate the extent and anatomic relationship of the malformation to adjacent structures. In addition to anatomical mapping, the complete evaluation of vascular anomalies includes hemodynamic characterization. Dynamic time-resolved contrast-enhanced MR angiography provides information regarding hemodynamics of vascular anomalies, differentiating high- and low-flow vascular malformations. Radiologists must identify the MRI features of vascular malformations for better diagnosis and classification.

KEYWORDS:

Congenital Abnormalities; Magnetic Resonance Angiography; Magnetic Resonance Imaging; Vascular Malformations

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