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Cranial and Spinal Meninges01:19

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There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen.
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Related Experiment Video

Updated: Dec 24, 2025

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
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Craniocervical junction arachnoid cyst.

Marco Manzo1, Pietro Ivo D'Urso2

  • 1Department of Undergraduate, Faculty of Engineering, Medical School, University Campus Bio-Medico of Rome, England.

Surgical Neurology International
|April 8, 2020
PubMed
Summary

A large, symptomatic cranio-cervical junction arachnoid cyst was successfully treated with fenestration in a 33-year-old patient. This surgical approach provided relief from cyst-related symptoms.

Keywords:
Arachnoid cystCraniocervical junctionPosterior fossa cyst

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Area of Science:

  • Neurosurgery
  • Neurology
  • Medical Case Reports

Background:

  • Arachnoid cysts at the cranio-cervical junction can cause significant neurological deficits.
  • Symptomatic large cysts often require surgical intervention.

Purpose of the Study:

  • To describe the successful surgical management of a large symptomatic cranio-cervical junction arachnoid cyst.
  • To highlight fenestration as a viable treatment option.

Main Methods:

  • A 33-year-old patient with a large symptomatic cranio-cervical junction arachnoid cyst was treated.
  • Fenestration surgery was performed to address the cyst.

Main Results:

  • The patient underwent successful fenestration of the arachnoid cyst.
  • The surgical intervention aimed to alleviate cyst-related symptoms.

Conclusions:

  • Fenestration is an effective surgical technique for managing large, symptomatic cranio-cervical junction arachnoid cysts.
  • This case demonstrates a positive outcome following this specific surgical approach.