(P113) Impact of Radiotherapy Technique on Normal Tissue Dose in Treatment of Spinal Vertebral Metastases

Optimal management of uncomplicated spinal vertebral metastases has yet to be determined. Single fraction therapy has been associated with fewer gastrointestinal side effects but the associated radiotherapy (RT) technique has not been reported. Traditional single field PA technique has been largely replaced by CT treatment planning to achieve dose homogeneity in the target vertebrae. CT treatment planning may pose acute toxicity risk as the normal tissue single fraction dose increases and needs further study.

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