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Related Experiment Videos

Intraventricular aneurysms--three case reports.

H Miyake1, T Ohta, Y Kajimoto

  • 1Department of Neurosurgery, Osaka Medical College.

Neurologia Medico-Chirurgica
|March 18, 2000
PubMed
Summary
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This study details three rare intraventricular aneurysm cases, including a unique fourth ventricle aneurysm. Surgical intervention and spontaneous resolution highlight diverse management outcomes for these critical brain vascular lesions.

Area of Science:

  • Neurosurgery
  • Vascular Neurology
  • Neuroradiology

Background:

  • Intraventricular aneurysms are rare vascular lesions within the brain's ventricular system.
  • They can cause significant neurological deficits due to intraventricular hemorrhage.
  • Moyamoya disease is a potential associated condition.

Observation:

  • Three cases are presented: a unique fourth ventricle aneurysm and two lateral ventricle aneurysms associated with moyamoya disease.
  • Patients presented with altered consciousness secondary to massive intraventricular hemorrhage.
  • Digital subtraction angiography was used for diagnosis.

Findings:

  • One idiopathic peripheral aneurysm in the fourth ventricle and two lateral ventricle aneurysms were identified.
  • Two aneurysms were surgically treated and confirmed as pseudoaneurysms.

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  • One lateral ventricle aneurysm resolved spontaneously within two months.

    • Implications:

    • Spontaneous resolution is common, supporting initial conservative management for intraventricular aneurysms.
    • Surgical techniques, including stereotactic guidance and midline suboccipital approaches, are effective for resection.
    • Advancements in neuronavigation enhance surgical safety and outcomes for these rare conditions.