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Related Experiment Video

Updated: Jun 15, 2026

Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review

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[Brainstem arachnoid cyst: case report and review].

A N Konovalov^1,2, V V Nazarov¹, N N Linde¹

¹Burdenko Neurosurgical Center, Moscow, Russia.

Zhurnal Voprosy Neirokhirurgii Imeni N. N. Burdenko

|October 29, 2021

Summary

This case study details a rare brainstem arachnoid cyst, highlighting successful surgical fenestration and symptom resolution. The findings emphasize the importance of timely intervention for progressive neurological decline.

Keywords:

arachnoid cyst brainstem pontomesencephalic junction surgical treatment

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Published on: August 30, 2020

Area of Science:

Neurology
Neurosurgery
Radiology

Background:

Brainstem arachnoid cysts are rare, with limited literature on human cases.
This study aims to describe a clinical case and analyze the pathology.

Observation:

A 29-year-old patient presented with a complex brainstem arachnoid cyst manifesting in childhood.
Symptoms included headaches, syncope, vegetative-visceral paroxysms, oculomotor disturbances, and facial paresthesia.
MRI revealed a two-chambered cyst in the interpeduncular cistern and brainstem.

Findings:

Differential diagnosis considered cystic glioma and Virchow-Robin space enlargement.
Surgical fenestration of the cyst was performed via a pterional approach.
Postoperative follow-up showed cyst reduction and symptom regression, with residual medial longitudinal fasciculus dysfunction.

Implications:

Surgical fenestration is an effective treatment for brainstem arachnoid cysts causing neurological deterioration.
This case contributes to understanding the management of rare brainstem pathologies.