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Abstract: Chordoid glioma is a rare low-grade tumor that originates almost exclusively in the anterior part of the third ventricle. The diagnosis and treatment of the tumor remain controversial. In this article, the authors present a novel case of chordoid glioma of the third ventricle. The patient was treated with less invasive microsurgery followed by low-dose gamma knife radiosurgery. Magnetic resonance imaging revealed a decrease in tumor size and necrosis in the central region of the tumor, without significant complications at follow-up 14 months later. Based on these findings, the authors suggest that less invasive microsurgical resection followed by low-dose gamma knife radiosurgery is safe and effective for the treatment of chordoid glioma of the third ventricle., (Copyright © 2017 by Mutaz B. Habal, MD.)