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Abstract #1904

Assessing Gravity’s Impact on Choroid Plexus Position with 1.5 T Rotatable Superconductive Cryogen-free MRI

Yulin Wang1, Shiying Ke1, Jiaxin Li2, Jie Zeng1, Jichang Zhang1,3, Shengyang Niu1, Yuliang Zhu1, Chendie Yao1, Jianjun Zheng4, Thomas Meersmann1, Li Zhao2, and Chengbo Wang1
1Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, China, 2College of Biomedical Engineering and Instrument Science, Zhejiang University, Ningbo, China, 3Xingaoyi Medical Equipment Co. Ltd, Ningbo, China, 4Department of Radiology, Ningbo No. 2 Hospital, Ningbo, China

Synopsis

Keywords: Head & Neck/ENT, Brain, Spin MRI, Choroid Plexus

Motivation: Few studies have explored the morphology of choroid plexus in a natural upright posture.

Goal(s): This study aims to investigate whether the position of the choroid plexus changes in response to gravity when comparing supine and upright scanning postures.

Approach: Twenty-seven healthy young volunteers were scanned using a 1.5 T rotatable MRI at pitch angles of 0 and 90 degrees. Gap lengths in different directions were measured on segmented images between the choroid plexus and ventricles.

Results: A significant downward shift in the choroid plexus position was observed along the direction of gravity, while changes along other axes were minimal.

Impact: This study reveals the gravitational influence on the position change of the choroid plexus and demonstrates its morphology in a typical standing condition. These findings could have implications for future research on CSF exchange and flow in different postures.

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Keywords