How do you account for only a partial fraction of radiation being delivered due to machine malfunction?

For example a power outage. While highly dependent on clinical scenario, is there some general guidance on whether to add another fraction or how else to account for this?

2 Answers

Mednet Member

Radiation Oncology · Baylor Scott & White Health

Answered on

For conventional fractionation, I have typically disregarded this partial dose and repeated that fraction at full dose unless it was >75%. For SBRT, in one case, half the dose was delivered in one arc. and the next day once the problem was fixed the patient received the second arc to complete that f...

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Mednet MemberInvited Expert

Radiation Oncology · University of Florida

Answered on

Ignore it if conventional. Determine how much if SBRT.

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