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lüll Radiation therapy for visual pathway tumors Stieber VWJ Neuroophthalmol 2008[Sep]; 28 (3): 222-30The multimodality management of visual pathway tumors frequently involves radiation. Most commonly, photons are delivered via multiple focused beams aimed at the tumor while sparing adjacent tissues. The dose can be delivered in multiple treatments (radiation therapy) or in a single treatment (radiosurgery). Children with visual pathway gliomas should be treated with chemotherapy alone, delaying the use of radiation therapy until progression. Definitive radiation therapy of optic nerve sheath meningiomas results in stable vision in most patients. Radiation therapy or radiosurgery for pituitary tumors can result in control of both tumor growth and hormone hypersecretion. Postoperative radiation therapy or radiosurgery of craniopharyngiomas significantly improves local control rates compared with surgery alone. Radiation therapy is highly effective for eradicating orbital pseudolymphoma and lymphoma. The risk of complications from radiation treatment is dependent on the organ at risk, the cumulative dose it receives, and the dose delivered per fraction.|Craniopharyngioma/complications/pathology/radiotherapy[MESH]|Humans[MESH]|Lymphoma/complications/pathology/radiotherapy[MESH]|Meningioma/complications/pathology/radiotherapy[MESH]|Optic Nerve Diseases/etiology/pathology/*radiotherapy[MESH]|Optic Nerve Glioma/pathology/*radiotherapy[MESH]|Optic Nerve/anatomy & histology/pathology/*radiation effects[MESH]|Pituitary Neoplasms/complications/pathology/radiotherapy[MESH]|Pseudolymphoma/complications/pathology/radiotherapy[MESH]|Radiation Dosage[MESH]|Radiotherapy/adverse effects/*methods[MESH] |