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Author Spotlight: A Single-Entry Point Endoscopic Intraventricular Approach for Third Ventriculostomy and Pineal Biopsy

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Third Ventricular Subependymomas: Clinical Features and Outcomes Over Two Decades.

Matthew T Carr¹, Gianina C Hernandez-Marquez¹, Meenakshi Vij²

¹Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA.

World Neurosurgery

|March 14, 2023

Summary

Third ventricular subependymomas (TVSE) are rare brain tumors. This review highlights their presentation, treatment, and favorable outcomes with gross total resection, emphasizing their importance in differential diagnosis.

Keywords:

Hydrocephalus Pathology Radiology Subependymoma Surgical resection Third ventricle

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Published on: May 19, 2015

Area of Science:

Neuro-oncology
Neurosurgery
Central Nervous System Neoplasms

Background:

Subependymomas are uncommon, slow-growing central nervous system neoplasms.
Third ventricular subependymomas (TVSE) are particularly rare, with limited case reports.
This study provides the first systematic review of TVSE.

Purpose of the Study:

To systematically review all reported cases of third ventricular subependymomas over two decades.
To analyze the clinical presentation, treatment, and outcomes of TVSE.
To present a case example of TVSE.

Main Methods:

Systematic literature search of MEDLINE and Embase databases (20 years ending Jan 1, 2022).
Inclusion of studies using relevant MeSH and non-MeSH terms for subependymoma and third ventricle.
Adherence to PRISMA guidelines for systematic reviews.

Main Results:

18 cases of TVSE identified (17 from literature + 1 case example).
Most patients presented in adulthood (average age 42) with headache as the primary symptom.
Gross total resection achieved in 73%, leading to symptomatic improvement and no recurrence in most cases.

Conclusions:

Third ventricular subependymomas should be considered in the differential diagnosis of third ventricular tumors.
Clinical presentation often mimics hydrocephalus, necessitating high awareness for timely intervention.
Gross total resection is the surgical goal, offering curative potential and significant clinical improvement.