Rapidly Expanding Lateral Ventricular Meningioma Presenting with Intraventricular Hemorrhage following Remote Whole...

Area of Science:

• Neuro-oncology
• Neurosurgery
• Radiation Oncology

Background:

• Intraventricular meningiomas are rare intracranial tumors.
• Hemorrhage is an infrequent presentation for these tumors, with only 10 cases reported.
• Radiation-induced meningiomas represent a distinct subset with unique characteristics.

Observation:

• This case details a patient with an acute intraventricular hemorrhage.
• The hemorrhage was associated with a ventricular meningioma.
• The meningioma was suspected to be radiation-induced.

Findings:

• This is the first reported instance of a radiation-induced ventricular meningioma presenting with acute intraventricular hemorrhage.
• Literature review confirms the extreme rarity of hemorrhagic intraventricular meningiomas.
• The natural history of radiation-induced meningiomas is also reviewed.

Implications:

• This case expands the understanding of rare meningioma presentations.
• It underscores the importance of considering radiation history in meningioma etiology.
• Further research into radiation-induced tumors may inform clinical management and surveillance strategies.