If vertebral body pain is not controlled with a single 8 Gy fraction, what non-SBRT dose scheme would you consider for re-treatment?

Topics: Radiation Oncology • Palliation

The patient has metastatic NSCLC with painful metastases of the cervical spine, and is in between cycles of chemotherapy

Answer from: Radiation Oncologist at Academic Institution

My recommendation regarding a second course of radiation after a single fraction of 8 Gy depends on… a) Did the 8 Gy work at all? My usual practice has been to recommend repeat radiation therapy only if the first course helped. You could argue that maybe 8 Gy “just wasn’t enough&...

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Radiation Oncologist at Clinical Associate Prof., BC Cancer
This is a thoughtful response from Dr. @Laurie E. ...

Answer from: Radiation Oncologist at Community Practice

If a/b is about 3 for cord, then the BED to cord is: 8 Gy in 1 = 29.320 Gy in 5 = 46.730 Gy in 10 = 60 Even taking time into consideration, re-treating after 8 in 1 is very safe and if you would do it after 30 in 10, you can safely do after 8 in 1 (as the Chow study mentioned above, notes)...

Answer from: Radiation Oncologist at Community Practice

I prefer 2000 in 5 fx.

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