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How do you fractionate prostate cancer where there was rectal wall infiltration by hydrogel after healing?

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Mednet Member
Mednet Member
Radiation Oncology · University of Texas Southwestern

For superficial infiltration, I do not change approach. For deeper infiltration with delamination of muscle layers, especially muscularis propia, I typically switch to moderate hypofractionation (60Gy/20 regimen) and treat whole spacer gel area as part of rectum OAR. We have done this systematically...

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Mednet Member
Mednet Member
Radiation Oncology · Stony Brook University School of Medicine

I’m not quite sure what you mean by “after healing”. Do you mean complete dissolution of the gel? If you are confident that the gel has completely resolved and there’s no additional rectal wall infiltration, theoretically, you should be at the same place before gel insertion and can proceed accordin...

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Mednet Member
Mednet Member
Radiation Oncology · University of Florida

It would not impact my choice of fractionation.

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How do you fractionate prostate cancer where there was rectal wall infiltration by hydrogel after healing? | Mednet