Brain Arteriovenous Malformations

Sahlein, Daniel; Manning, Nathan

doi:10.1007/978-1-4614-9029-6_21

Cited by 1 publication

(1 citation statement)

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“…VMs can be classified following diverse criteria, such as the type of vessel involved: arterial (aneurysms), capillary (hereditary hemorrhagic telangiectasia, AVMs, or dural arteriovenous fistulas [AVFs]), or venous (sinus pericranii, cavernoma, or developmental venous anomalies [DVAs]) 3 . Alternatively, VMs can also be classified according to the presence of arteriovenous shunting (AVMs, cerebral proliferative angiopathy [CPA], or AVF) or its absence (capillary telangiectasia, sinus pericranii, DVA, or venous varix) 4 …”

Section: Introductionmentioning

confidence: 99%

Conventional and advanced MRI evaluation of brain vascular malformations

Martín-Noguerol

Concepción-Aramendía

Lim

et al. 2021

Journal of Neuroimaging

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Vascular malformations (VMs) of the central nervous system (CNS) include a wide range of pathological conditions related to intra and extracranial vessel abnormalities. Although some VMs show typical neuroimaging features, other VMs share and overlap pathological and neuroimaging features that hinder an accurate differentiation between them. Hence, it is not uncommon to misclassify different types of VMs under the general heading of arteriovenous malformations. Thorough knowledge of the imaging findings of each type of VM is mandatory to avoid these inaccuracies. Conventional MRI sequences, including MR angiography, have allowed the evaluation of CNS VMs without using ionizing radiation. Newer MRI techniques, such as susceptibility‐weighted imaging, black blood sequences, arterial spin labeling, and 4D flow imaging, have an added value of providing physiopathological data in real time regarding the hemodynamics of VMs. Beyond MR images, new insights using 3D printed models are being incorporated as part of the armamentarium for a noninvasive evaluation of VMs. In this paper, we briefly review the pathophysiology of CNS VMs, focusing on the MRI findings that may be helpful to differentiate them. We discuss the role of each conventional and advanced MRI sequence for VMs assessment and provide some insights about the value of structured reports of 3D printing to evaluate VMs.

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Section: Introductionmentioning

confidence: 99%