• Christopher P Deibert and Douglas Kondziolka.
• Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania; and.
• J. Neurosurg.. 2013 Nov 1;119(5):1156-8.

AbstractIntrinsic meningiomas of the superior sagittal sinus pose a significant technical challenge, particularly in the posterior two-thirds of the sinus. Resection is curative but frequently is not possible because of the involvement of critical vascular structures. Here, the authors present the case of a 49-year-old woman with a recurrent meningioma located exclusively in the posterior two-thirds of the sagittal sinus. The patient was treated with a margin dose of 12 Gy and a maximum dose of 24 Gy to the length of the tumor, which measured 16 cm. Five years after treatment, the tumor remains stable and the patient is symptom free. This case demonstrates the unique role that stereotactic radiosurgery can play in the management of meningiomas that are surgically unresectable and have no accepted form of treatment. To the authors' knowledge, 16 cm also represents the longest segment of tumor treated using stereotactic radiosurgery.

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