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Clinical Neuro-oncology |
Departments of Neurosurgery (Z.R.C., S.J.H.) and Radiation Oncology (M.H.M.), The University of Texas M. D. Anderson Cancer Center, Houston, TX 77030; and the Department of Neurosurgery (Z.R.) and Institute of Oncology (R.M.P.), The Chaim Sheba Medical Center, Tel-Hashomer, Israel
1 Address correspondence and reprint requests to Zvi R. Cohen, Department of Neurosurgery, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd., Box 442, Houston, TX 77030.
Abstract
Dissemination of malignant glioma to the fourth ventricle with metastatic deposits and intractable vomiting is rare. Leptomeningeal extension of malignant glioma is an uncommon condition that has been reported in patients with end-stage disease and is usually unresponsive to any treatment modality. We describe 3 patients with progressing recurrent glioblastoma multiforme in whom leptomeningeal invasion manifested itself as intractable vomiting due to tumor metastases in the floor of the fourth ventricle. All patients received additional radiation therapy focused to the posterior fossa, with complete resolution of vomiting occurring within 10 days after irradiation. The remission of symptoms in these patients persisted until their death 3-4 months after the repeat radiation therapy. These reports indicate that additional focused radiation should be considered because of its significant therapeutic effect in alleviating intractable nausea and vomiting in patients with glioma metastasized to the posterior fossa.
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