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Doctor insights on: Sigmoidoscopy Colonoscopy Proctoscope

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Please tell me about flexible sigmoidoscopy and colonoscopy ?

Please tell me about flexible sigmoidoscopy and colonoscopy ?

Two separate procedu: These are two separate procedures for checking the large intestine. Sigmoidoscope is shorter and can look inside about one half of the( lower) colon. Colonoscopy is done with a colonoscope, which is much longer and can go up all the way into the entire colon and check it out for any internal disease of the colon like cancer or polyps. ...Read more

Dr. John Lappas
536 doctors shared insights

Sigmoidoscopy (Definition)

Sigmoidoscopy is the use of a flexible fiberoptic camera or specially designed scope to examine the inside of the colon. Because the procedure only examines the left side of the colon (in an area called the sigmoid), it is termed sigmoidoscopy. This is to differentiate it from a colonoscopy, where the entire right and left side of the colon is examined. A sigmoidoscopy ...Read more


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Why is a flexible sigmoidoscopy done instead of a colonoscopy?

Why is a flexible sigmoidoscopy done instead of a colonoscopy?

Screening: A flex-sig is usually done in the office as a preliminary screening procedure. It is also useful as a follow-up if you have had polyps removed in the lower colon. Is is also useful to re-evaluate colitis and you response to treatment. ...Read more

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What is it like to have a flexible sigmoidoscopy or a colonoscopy ?

Depends!: Very few physicians perform sigmoidoscopy anymore (only checks half the colon and no sedation!). Colonoscopy is usually done with sedation or anesthesia. The procedure itself is usually not uncomfortable. The cleaning out preparation can be arduous. Colonoscopy is 50 times more life saving than a mammogram! ...Read more

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Can you tell me about having a flexible sigmoidoscopy or a colonoscopy ?

Both look at: The lower colon but the colonoscopy looks at the entire colon. Preps are different, colonoscopy usually requires sedation and thus someone to drive home, but flex sig can be done in office without sedation and you can resume normal activity right away. Indication are different for each so it depends on the reason you are having the exam in the first place. ...Read more

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What are the differences between sigmoidoscopy prep and colonoscopy prep?

What are the differences between sigmoidoscopy prep and colonoscopy prep?

It is similar: Both procedures require complete cleaning up of the Colorectal area. So the prep is not any different. ...Read more

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How does the cost of a flexible sigmoidoscopy compare to that of a colonoscopy?

Cost: This is variable. Would contact the facility or provider to obtain more information about the anticipated cost. ...Read more

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How do a colonoscopy and a sigmoidoscopy differ?

How do a colonoscopy and a sigmoidoscopy differ?

Longer test: A sigmoidoscopy only sees part of the colon. The traditional sigmoidoscopy was 60 centimeters and saw the sigmoid and descending colon. A colonoscope is 120-160cm and should visualize the entire colon. Usually the sigmoidoscopy is done unsedated while the colonoscopy is done with sedation. ...Read more

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Can many months of cdif & tx make your colon more likely to perforate from colonoscopy or sigmoidoscopy after its cured (test ok & no sx)?

Can many months of cdif & tx make your colon more likely to perforate from colonoscopy or sigmoidoscopy after its cured (test ok & no sx)?

Depends : An inflamed colon is at higher risk of complications during colonoscopy as it tends to be thicker, more blood flow, and less flexible. If your colon has recovered from for C difficle colitis then your risk is back to normal. If you have been chronically ill and you are malnourished as a result you will have a slightly increased risk as well as a decreased ability to recover from a complication. ...Read more

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Dr. Kristi Moffat
127 doctors shared insights

Proctosigmoidoscopy (Definition)

Proctosigmoidoscopy is an examination of the rectum and sigmoid colon (just above the rectum) using a narrow, rigid scope with a built-in light. A small amount of air is usually introduced to distend the bowel, allowing for a better view. Generally, a limited prep is helpful, but not always necessary. ...Read more


Dr. Charles Cattano
1,988 doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more