Ручная сегментация сосудистого сплетения человека с помощью МРТ головного мозга

Overview

This article presents a standardized protocol for the manual segmentation of the choroid plexus within the lateral third and fourth ventricles of the brain. The need for this protocol arises from the complexity of the choroid plexus's location and the scarcity of reliable automated segmentation tools in neuroimaging studies. The protocol aims to produce a dataset to train algorithms for accurate automatic segmentation, which is crucial for future studies on neurologic and neuropsychiatric disorders.

Key Study Components

Area of Science

• Neuroimaging
• Neuroanatomy
• Segmenting protocols

Background

• The choroid plexus plays a critical role in brain function.
• Automated segmentation tools for this structure are lacking.
• Manual segmentation can address the challenges faced in identifying this complex structure.
• A reliable protocol could significantly enhance neuroimaging studies.

Purpose of Study

• To develop a standardized method for manual segmentation of the choroid plexus.
• To clarify common issues encountered in the segmentation process.
• To create a comprehensive dataset for future algorithm training.

Methods Used

• The study utilized DICOM data for imaging tasks.
• A manual segmentation approach was implemented, focusing on the lateral, third, and fourth ventricles.
• Key steps include adjusting image brightness and contrast, selecting segments, and renaming them for clarity.
• Segmentation involved using reference anatomical landmarks for accurate placement.
• Quantification of the choroid plexus volume was performed using the Segment Statistics module.

Main Results

• The protocol facilitated effective manual segmentation of the choroid plexus within specified regions.
• Detailed steps ensured consistent results across variations in imaging.
• The output included quantification tables of the choroid plexus volume.
• The method is poised to improve future neuroimaging studies investigating choroid plexus functions.

Conclusions

• This study provides a comprehensive framework for manually segmenting the choroid plexus in neuroimaging.
• By generating a robust dataset, it lays the groundwork for the development of automated segmentation algorithms.
• The implications extend to enhancing the understanding of the role of the choroid plexus in neurological disorders.

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