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Giant extra-axial cerebellopontine angle/cavernous sinus ependymoma: case report
1Department of Neurological Surgery, The Cleveland Clinic Foundation, Ohio 44195, USA.
Neurosurgery
|January 23, 1999
Summary
This study details a rare giant extra-axial ependymoma invading the cavernous sinus. Surgical resection and radiation therapy were performed for this unusual intracranial tumor.
Area of Science:
- Neuro-oncology
- Neurosurgery
- Pathology
Background:
- Ependymomas are typically intra-axial or intraventricular tumors.
- Giant extra-axial intracranial ependymomas are exceptionally rare.
Observation:
- A 22-year-old woman presented with headache and facial droop.
- MRI revealed a large cystic mass in the cerebellopontine angle with cavernous sinus extension.
- The tumor was confirmed as an ependymoma post-operatively.
Findings:
- This is the first reported case of an ependymoma extending into the cavernous sinus.
- Gross total resection was achieved through a two-stage surgical approach.
- Adjuvant radiation therapy was administered post-resection.
Implications:
- Ependymomas can manifest as extra-axial masses.
- The cavernous sinus can be involved by intracranial ependymomas.
- This case expands the understanding of ependymoma presentation and management.