Automatic segmentation of intracranial arteries and veins in four-dimensional cerebral CT perfusion scans

Medical Physics
Adriënne M MendrikMathias Prokop

Abstract

CT angiography (CTA) scans are the current standard for vascular analysis of patients with cerebrovascular diseases, such as acute stroke and subarachnoid hemorrhage. An additional CT perfusion (CTP) scan is acquired of these patients to assess the perfusion of the cerebral tissue. The aim of this study is to extend the diagnostic yield of the CTP scans to also include vascular information. CTP scans are acquired by injecting contrast material and repeatedly scanning the head over time. Therefore, time-intensity profiles are available for each voxel in the scanned volume, resulting in a 4D dataset. These profiles can be utilized to differentiate not only between vessels and background but also between arteries and veins. In this article, a fully automatic method is proposed for the segmentation of the intracranial arteries and veins from 4D cerebral CTP scans. Furthermore, a vessel enhanced volume is presented, in which the vasculature is highlighted and background structures are suppressed. Combining this volume with the artery/vein segmentation results in an arteriogram and a venogram, which could serve as additional means for vascular analysis in patients with cerebrovascular diseases. The artery/vein segmentation is quantit...Continue Reading

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Citations

Mar 3, 2012·Medical Physics·Marco GiordanoChristoph Neukirchen
Jul 6, 2014·Medical Physics·Rieneke van den BoomMathias Prokop
Aug 26, 2014·BMC Medical Imaging·David S WackAdnan H Siddiqui
Jun 27, 2015·Radiology·Rashindra ManniesingMathias Prokop
Aug 20, 2014·BioMed Research International·Elyas GhariqMarianne A A van Walderveen
Nov 17, 2017·Scientific Reports·Midas MeijsRashindra Manniesing
Jul 17, 2020·Physics in Medicine and Biology·Jiwoong JeongXiaofeng Yang
Mar 10, 2017·Scientific Reports·Rashindra ManniesingBram van Ginneken
Jun 10, 2011·Physics in Medicine and Biology·Adriënne M MendrikMathias Prokop
Dec 17, 2016·Journal of Medical Imaging·Beatrice BarraGiuseppe Baselli
May 4, 2021·Radiology. Artificial Intelligence·Midas MeijsRashindra Manniesing

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Acute Stroke

A stroke occurs when blood supply to the brain is interrupted depriving the brain of oxygen and nutrients. This feed focuses cerebrovascular accidents including ischemic and paralytic stroke.

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