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Related Experiment Video

Updated: Jan 26, 2026

A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure
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Fourth Ventricular Meningiomas.

Wei Luo1, Yulun Xu2, Jun Yang2

  • 1Department of Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.

World Neurosurgery
|April 21, 2019
PubMed
Summary

Fourth ventricular meningiomas (FVMs) are rare tumors with distinct characteristics. Surgical resection via the telovelar approach offers a good prognosis with high rates of total removal and low complication rates.

Keywords:
Clinical featuresFourth ventricleImaging featuresMeningiomasTreatment

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Area of Science:

  • Neurosurgery
  • Neuropathology
  • Radiology

Background:

  • Fourth ventricular meningiomas (FVMs) are exceptionally rare intracranial tumors.
  • Understanding their unique epidemiological, histological, and imaging features is crucial for diagnosis and treatment.

Purpose of the Study:

  • To characterize the clinical and pathological features of FVMs.
  • To evaluate treatment outcomes and prognosis for patients with FVMs.

Main Methods:

  • A retrospective analysis of 11 patients with FVMs at a single institution.
  • A comprehensive literature review and analysis of 71 reported cases of FVMs.

Main Results:

  • FVMs most commonly occur between the third and sixth decades, with a near equal female-to-male ratio.
  • Fibrous meningioma is the most frequent subtype; characteristic imaging findings include hydrocephalus (52.8%) and peritumoral edema (30.3%).
  • Total tumor resection was achieved in 94.9% of cases, with a 6.8% recurrence rate and 15.3% postoperative complication rate.

Conclusions:

  • FVMs possess distinct demographic, histological, and imaging profiles.
  • Surgical resection using the telovelar approach is the recommended treatment, with adjuvant therapy for high-grade or partially resected tumors.
  • FVMs generally have a favorable prognosis due to high resection rates and manageable complications.