Empty bowel before CT scan

Posted by jimbsmith @jimbsmith, Oct 1 10:06am

Suggestions on emptying my bowel before my CT scan. The nurse says this is very important. I don’t want to screw it up.

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I had 5 fractions of SBRT and for each treatment and planning I did an enema. Doc said my prep was great.

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The rectum being “empty” didn’t mean it had to be clean like it is for a transrectal biopsy; my radiation oncologist (RO) told me there was no need for an enema.

He told me what they mean is nothing in the lower intestine, material or gas, that might move during the treatment and cause the prostate to move: no foods that might cause gas. (At 65y/o at the time, I knew which foods would cause me gas and which wouldn’t; it was fairly easy to manage.)

So, at the same time as emptying my bladder 45 minutes prior to treatment, I would also empty bowels. Worked every time; never had a problem. (I had 28 proton radiation treatments.)

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Not easy at first but you will get the hang of it, drink lots of water the day before, they should have given you the list of food to eat and start that diet before the scan. The list they gave me was the opposite of what I thought was going to be. The nurses also said an enema would not be advised for treatments but would be ok for initial CT scan. For your mapping scan it would not be good I was told.
I had 39 radiation treatments and it took 2 or 3 to figure it out.

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When I was getting daily radiation, I used to use the "deep squat" method. The simplest way for me was to lift the toilet seat, balance with hands , get my butt way down, and kind of lean back.

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Profile picture for rrk25 @rrk25

Not easy at first but you will get the hang of it, drink lots of water the day before, they should have given you the list of food to eat and start that diet before the scan. The list they gave me was the opposite of what I thought was going to be. The nurses also said an enema would not be advised for treatments but would be ok for initial CT scan. For your mapping scan it would not be good I was told.
I had 39 radiation treatments and it took 2 or 3 to figure it out.

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@rrk25 thanks for the information

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Profile picture for brianjarvis @brianjarvis

The rectum being “empty” didn’t mean it had to be clean like it is for a transrectal biopsy; my radiation oncologist (RO) told me there was no need for an enema.

He told me what they mean is nothing in the lower intestine, material or gas, that might move during the treatment and cause the prostate to move: no foods that might cause gas. (At 65y/o at the time, I knew which foods would cause me gas and which wouldn’t; it was fairly easy to manage.)

So, at the same time as emptying my bladder 45 minutes prior to treatment, I would also empty bowels. Worked every time; never had a problem. (I had 28 proton radiation treatments.)

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@brianjarvis thank you for the information

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Profile picture for tjv1156 @tjv1156

When I was getting daily radiation, I used to use the "deep squat" method. The simplest way for me was to lift the toilet seat, balance with hands , get my butt way down, and kind of lean back.

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@tjv1156 thanks for the information

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In reply to @heavyphil "Enema" + (show)
Profile picture for heavyphil @heavyphil

@heavyphil thanks for the information

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Profile picture for toolbelt @toolbelt

I had 5 fractions of SBRT and for each treatment and planning I did an enema. Doc said my prep was great.

Jump to this post

@toolbelt thanks for the information

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