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Stereotactic Radiosurgery and Fractionated Stereotactic Radiotherapy for Meningiomas Related to the Anterior Optic Pathways.
Dres. Leonardo Frighetto
Antonio De Salles
Alessandra Gorgulho
Manoel Paiva
Introduction
A complete resection including dural attachment and areas of bone invasion remains the best treatment option for intracranial meningiomas. Although in many anatomical locations a gross total resection can be achieved with little morbidity, the same good results cannot be reproduced in the treatment of lesions involving eloquent structures.
Radiosurgery has proved its efficacy in the management of intracranial meningiomas as the first treatment option or in conjunction with microsurgery. The volume of the lesion to be treated and its relation to sensitive structures are the main limitations of this technique. The optic apparatus has always been a limitation for all radiation treatment modalities used for intracranial pathologies, specially when high doses of radiation are applied in tumors encasing this sensitive structures.
The present study aims to evaluate treatment outcomes of stereotactic radiosurgery (SRS) and fractionated stereotactic radiotherapy (SRT) for meningiomas related to the anterior optic pathways regarding tumor control and toxicity to the optic structures.
Art. Nº V3N1/40
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