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Updated: Jun 10, 2026

Manual Segmentation of the Human Choroid Plexus Using Brain MRI

Manual Segmentation of the Human Choroid Plexus Using Brain MRI

Published on: December 15, 2023

Fourth ventricular chordoid meningioma.

Joshua J Wind¹, Robert V Jones, Fabio Roberti

¹Department of Neurological Surgery, The George Washington University Medical Center, The George Washington University, 2150 Pennsylvania Avenue, NW, Suite 7420, Washington, DC 20037, USA. jwind@gwu.edu

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia

|August 3, 2010

Summary

Chordoid meningioma, an aggressive brain tumor subtype, can occur in the fourth ventricle. Early diagnosis and complete resection are crucial for managing this rare intraventricular tumor.

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Area of Science:

Neuro-oncology
Histopathology

Background:

Chordoid meningioma is a rare histological subtype of meningioma.
It is known for its aggressive clinical behavior and high recurrence rate.
Typically found in the supratentorial compartment in adults.

Observation:

Presents a rare case of chordoid meningioma located in the fourth ventricle.
The patient was an adult diagnosed with this intraventricular tumor.
The lesion was treated with gross total resection.

Findings:

Chordoid meningioma, though rare, should be considered in the differential diagnosis of intraventricular tumors.
This subtype necessitates close patient follow-up due to its aggressive nature.
Evaluation for associated Castleman's disease is recommended.

Implications:

Highlights the importance of considering rare meningioma subtypes in intraventricular tumor diagnosis.
Emphasizes the need for vigilant follow-up for chordoid meningiomas.
Underscores the potential systemic associations, such as Castleman's disease, requiring comprehensive patient assessment.