Single Versus Multifraction Salvage Spine Stereotactic Radiosurgery for Previously Irradiated Spinal Metastases

"Spine Radiosurgery - 1 Dose: For single fraction and multifraction arms, 0.01 cc of the cord allowed to receive 10 Gy and 14 Gy, respectively while 0.01 cc of the cauda equina allowed to receive 14 Gy and 18 Gy, respectively.~Spine Radiosurgery - 3 Doses (3 days): The dose for the multifraction arm is 27 Gy in 3 fractions (9 Gy per fraction)."

"Participants complete 3 questionnaires about any pain they may be having, quality-of-life, and any other symptoms. It should take about 10 minutes to complete these questionnaires.~Questionnaires completed at Baseline and at Months 3,6,9,12,18, and 24 and then every 6 months after that during follow up."