How long after surgery for a keloid can you wait to treat with post-operative radiation before the treatment becomes ineffective?
Classical teaching is the sooner the better - but there are times that treatment gets delayed or adjustments need to be made after seeing the post-op scar.
Answer from: Radiation Oncologist at Academic Institution
The literature has indeed shown "the sooner, the better."Initial studies looking at this question reported that the most effective time to give adjuvant radiation was within the first 1-2 weeks after excision. However, this treatment window was soon shortened to treatment delivery to be within 72 ho...