Fourth Ventricular Meningiomas

Luo, Wei; Xu, Yulun; Yang, Jun; Liu, Zhongmin; Hai, Liu

doi:10.1016/j.wneu.2019.04.097

Cited by 5 publications

(4 citation statements)

References 55 publications

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“…There was a slight male predominance. Of these, 82.8% were World Health Organization (WHO) grade I tumors and 17.2% were WHO grade II tumors [ 11 ].…”

Section: Discussionmentioning

confidence: 99%

“…The primary treatment for meningiomas is surgery; meningiomas located in the fourth ventricle may cause supratentorial hydrocephalus, and lateral ventricular puncture and drainage may be chosen to relieve obstructive symptoms. For long-term relief, total resection should be performed using a suboccipital approach [ 11 ]. Intraoperative neurophysiologic monitoring is routinely employed to safeguard neurological function.…”

Section: Discussionmentioning

confidence: 99%

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Meningioma of the Fourth Ventricle of the Brain: A Case Report

Sun,

Zhou

2024

Cureus

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Meningiomas constitute a significant proportion of primary intracranial tumors; however, their occurrence within the brain’s ventricles is exceptionally uncommon. This report details the case of a 24-year-old man who presented with six months of diplopia. Diagnostic imaging revealed a mass in the fourth ventricle, causing obstructive hydrocephalus. The patient underwent a lateral ventricular puncture for drainage, followed by surgical removal of the tumor. Histopathological examination identified the mass as a fibrous World Health Organization grade 1 meningioma. Symptoms were significantly relieved after surgery, and follow-up imaging results after three months showed that the patient had recovered well from surgery, with no residual lesions and no recurrence of the tumor. Intraventricular meningiomas often pose diagnostic challenges because of their resemblance to more prevalent intracranial lesions on imaging studies such as choroid plexus papillomas. This case underscores the critical role of histopathological analysis in establishing a definitive diagnosis. Surgical excision is the primary treatment strategy for intraventricular meningiomas, generally resulting in positive outcomes.

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“…There was a slight male predominance. Of these, 82.8% were World Health Organization (WHO) grade I tumors and 17.2% were WHO grade II tumors [ 11 ].…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Meningioma of the Fourth Ventricle of the Brain: A Case Report

Sun,

Zhou

2024

Cureus

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“…Meningiomas are the second most common adult intracranial tumors, comprising approximately 13% to 40% of intracranial tumors 1,2 . Intraventricular meningiomas are relatively rare, accounting for only 0.5% to 3% of all meningiomas.…”

mentioning

confidence: 99%

“…M eningiomas are the second most common adult intracranial tumors, comprising approximately 13% to 40% of intracranial tumors. 1,2 Intraventricular meningiomas are relatively rare, accounting for only 0.5% to 3% of all meningiomas. Trigone meningiomas are most common in intraventricular meningiomas, and its incidence has been reported to be up to 77.8%.…”

mentioning

confidence: 99%

Grading Trigone Meningiomas Using Conventional Magnetic Resonance Imaging With Susceptibility-Weighted Imaging and Perfusion-Weighted Imaging

Yang

Xiao

Zhou

et al. 2022

J Comput Assist Tomogr

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Objective: To compare conventional magnetic resonance imaging (MRI), susceptibility-weighted imaging (SWI), and perfusion-weighted imaging (PWI) characteristics in different grades of trigone meningiomas.Methods: Thirty patients with trigone meningiomas were enrolled in this retrospective study. Conventional MRI was performed in all patients; SWI (17 cases), dynamic contrast-enhanced PWI (10 cases), and dynamic susceptibility contrast PWI (6 cases) were performed. Demographics, conventional MRI features, SWI-and PWI-derived parameters were compared between different grades of trigone meningiomas.Results: On conventional MRI, the irregularity of tumor shape (ρ = 0.497, P = 0.005) and the extent of peritumoral edema (ρ = 0.187, P = 0.022) might help distinguish low-grade and high-grade trigone meningiomas. On multiparametric functional MRI, rTTP max (1.17 ± 0.06 vs 1.30 ± 0.05, P = 0.048), K ep , V e , and iAUC demonstrated their potentiality to predict World Health Organization grades I, II, and III trigone meningiomas.Conclusions: Conventional MRI combined with dynamic susceptibility contrast and dynamic contrast-enhanced can help predict the World Health Organization grade of trigone meningiomas.

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Intraventricular Tumors

Das¹

2023

Neuro-Oncology Explained Through Multiple Choice Questions

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Fourth Ventricular Meningiomas

Cited by 5 publications

References 55 publications

Meningioma of the Fourth Ventricle of the Brain: A Case Report

Meningioma of the Fourth Ventricle of the Brain: A Case Report

Grading Trigone Meningiomas Using Conventional Magnetic Resonance Imaging With Susceptibility-Weighted Imaging and Perfusion-Weighted Imaging

Intraventricular Tumors

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