What is your treatment approach for re-irradiation of a pituitary adenoma?
What dose fractionation and volume do you use? What factors influence your decision?
Answer from: Radiation Oncologist at Academic Institution
Re-irradiation for a pituitary adenoma is very challenging situation, since almost certainly would exceed normal tissue tolerance of optic apparatus.
If re-irradiation is deemed necessary, stereotactic radiation either SRS or SRT should be used. Stereotactic RT only need minimum margin, usual...