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Is there a time interval after which you would not offer adjuvant radiotherapy for a malignant, grade 3 meningioma?
Is there diminished radiotherapy efficacy in tumor control after certain timeframe has passed for malignant meningiomas with no signs of recurrent disease.
Answer from: Radiation Oncologist at Community Practice
Adjuvant radiation for grade 3 meningioma is based on prior observational studies that generally reflect recurrence rates approaching 90% for grade III disease, and the insufficiency of salvage treatment approaches.Given the small numbers of grade 3 tumors, and the heavy bias towards upfront postop ...
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