Would you include the tract in your treatment field in a patient with squamous cell carcinoma of the anal canal presenting with an ano-cutaneous fistula?
If so, would you add it to your high or low dose PTV? Notably, on PET/CT, the fistulous tract has PET tracer uptake with SUV max 5-6, and the PET avidity of the primary tumor has an SUV max 12.
1 Answer
Mednet Member
Radiation Oncology · Michigan Healthcare Professionals, PC
Answered on · Updated on
I don't know that there is an evidence-informed answer, but I just had this in a patient recently. We had him get a diverting colostomy prior to starting CRT, then treated him with standard CRT with 5FU/MMC. I included the fistula tract in an intermediate dose, but with a margin on the boost to tumo...
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