Page 49 - BH-2-2

Brain & Heart

ORIGINAL RESEARCH ARTICLE
Assessment of cerebral venous sinus:

Anatomical and functional diagnostic
performance of three-dimensional

reconstruction models based on venous sinus
MRI and CT images

Xin Liu 1† , Zhenxin Hong 2† , Heyu Ding 3† , Pengfei Zhao 3 , Shusheng Gong 4 ,
3
Dhanjoo Ghista 5 , and Zhenchang Wang *
1 Guangdong Academy Research on VR Industry, School of Industrial Design and Ceramic Art,
Foshan University, Foshan, Guangdong, China
2 Department of Industrial Robotics, School of Artificial Intelligence, Guangdong Engineering
Polytechnic College, Qingcheng, Guangdong, China
3 Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
4 Department of Otolaryngology, Head and Neck Surgery, Beijing Friendship Hospital, Capital
Medical University, Beijing, China
5 University 2020 Foundation, San Jose, California, United States of America

Abstract
† These authors contributed equally
to this work.
Venous sinus stenosis is commonly observed in patients presenting with pulsatile
*Corresponding author: tinnitus (PT). While magnetic resonance imaging (MRI) and computed tomography
Zhenchang Wang
(cjr.wzhch@vip.163.com) (CT) are commonly used for assessing venous sinus geometries, the preferred modality
remains unclear. In this study, we reconstructed the three-dimensional (3D) geometries
Citation: Liu X, Hong Z, Ding H,
et al. Assessment of cerebral of the venous sinus using MRI and CT imaging data from 20 PT patients. We conducted
venous sinus: Anatomical and comparisons of the anatomical features of the venous sinus through case-wise analysis
functional diagnostic performance and anatomic geometrical parameter-wise analysis. Our findings indicate that by taking
of three-dimensional reconstruction
models based on venous sinus the geometries from CT as a reference, MRI could provide a better illustration of venous
MRI and CT images. Brain & Heart. structure, primarily due to a stronger flow signal concentrated in the vascular tree. We
2024;2(2):2756. observed high agreements in anatomic parameters measured from 3D geometries
doi: 10.36922/bh.2756 reconstructed based on CT and MRI in 19 out of 20 cases. Notably, the cross-sectional
Received: January 16, 2024 area of the sinus and segment length displayed the highest consistency, with a mean
Accepted: April 8, 2024 difference of -5.01% and 6.5% between modalities, respectively. In addition, we noticed
that 55% of cases exhibited consistency in analyzing the confluence of the sinus, while
Published Online: May 8, 2024 variants of connectivity and collateral branching were observed between CT and MRI.
Copyright: © 2024 Author(s). Importantly, CT-based geometric reconstruction provided better detail of inflow side
This is an Open-Access article branches in the straight sinus, whereas MRI preserved more side branches of outflow in
distributed under the terms of the
Creative Commons Attribution the downstream sinus. It is important to note that CT-based evaluation may be affected
License, permitting distribution, by the bone structures surrounding the venous sinus, whereas MRI-based evaluation
and reproduction in any medium, focuses on blood flow to the segments, potentially indicating both anatomical and
provided the original work is
properly cited. functional abnormalities.
Publisher’s Note: AccScience
Publishing remains neutral with Keywords: Cerebral venous sinus; Pulsatile tinnitus (PT); Magnetic resonance imaging
regard to jurisdictional claims in
published maps and institutional (MRI); Computed tomography
affiliations.

Volume 2 Issue 2 (2024) 1 doi: 10.36922/bh.2756