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Have blood in stool, no polyp, no hemorrhoid. Done colonoscopy. What is going on?

i have blood in my stool just now, red blood with mucus. loose stool. last september i had passed out big bowl of blood, so i went to see a specialist and did a colonoscopy, doctor said no polyp, no ulcer, nothing, no heamorrhoid (external & internal) too. but i can feel the swollen vein near my rectum. may i know if i shoud visit the specialist and do a colonoscopy again? Thank you.
Asked On : Sun, 7 Apr 2013
Answers:  2 Views:  92
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General Surgeon 's  Response
Apr 2013
Hi and welcome to HCM. Thank you for your querry.
Most of bleeding through rectum is non complicated and in more than 95% the exact cause is never found.
EVen with colonoscopy. Because it is usually some angiodysplasia or polyp which bleeds for a minute and then stops. After that it is hard to find the exact position of bleeding, and isnt necessary because this is minor amount of blood(most patient panic because think this is some svere bleeding).
ALso , most of such bleedings are found in anus and rectum whixh can be examined by digitorctal exam or proctoscopy. So there is no need to do colonosopy again. It can be hemorhoids which wasnt protruded on the first exam. YOu should do frequent follow ups and everything would be just fine.Cancer is the last that should be on your mind, But if you are>55 you shud do colooscopy every 7-10 years.
Wish you good health.
Answered: Mon, 8 Apr 2013
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Oncologist, Surgical Dr. Rohan Khandelwal's  Response
Dear Sir,

Sorry to hear about your problem. The commonest cause of such bleeding is a hemorrhoid or ulcer. As you are having no pain, it looks like a hemorrhoid, which can be diagnosed by a prcotoscopy and does not require colonoscopy.
Answered: Sun, 7 Apr 2013
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