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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