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An Unsuspected Intraventricular Schwannoma
Chrystal Calderon1, Amit Ramsingh1, Devindra Ramnarine1
1Neurosurgery, North Central Regional Health Authority, Champs Fleurs, TTO.
Cureus
|November 18, 2021
Summary
This case study highlights an extremely rare intraventricular schwannoma, a benign brain tumor. Surgical resection is the recommended treatment for this uncommon ventricular mass.
Area of Science:
- Neurosurgery
- Neuropathology
Background:
- Intraventricular schwannomas are exceptionally rare tumors within the brain's ventricular system.
- Their development and progression within the ventricles remain a subject of hypothesis.
Observation:
- A 59-year-old female presented with worsening headaches and altered mental status.
- Brain imaging revealed a well-defined mass in the right lateral ventricle, causing obstructive hydrocephalus and midline shift.
Findings:
- Surgical resection via parietal craniotomy was performed.
- Histopathology confirmed a biphasic pattern (Antoni A and B) with S100 positivity, consistent with an intraventricular schwannoma.
Implications:
- Intraventricular schwannomas present a diagnostic challenge, falling outside typical differential diagnoses for ventricular masses.
- Despite their rarity, these tumors are generally benign, with surgical resection being the definitive treatment.
