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COMPPARE that tests proton radiation against photon IMRT radiation.
Prostate Cancer | Last Active: 4 days ago | Replies (19)Comment receiving replies
@clevelandguy The gels provide space but do not absorb either photons or protons. It moves the prostate away from the rectum so reduces damage from off-target radiation. Important with proton since it reduces the chance that a Bragg peak hits the rectum.
Replies to "@clevelandguy The gels provide space but do not absorb either photons or protons. It moves the..."
@jim18 This is a very important consideration, spacers are more important with Proton in my view.
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@jim18
From what I have read it does both. Creates a space between the Prostate and rectum and also absorbs photons. Thus the gel protects the rectum by doing two things.