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Doctor insights on: Sigmoidoscopy

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Dr. John Lappas
528 doctors shared insights

Sigmoidoscopy (Overview)

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 typically requires an enema.


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Is the sigmoidoscopy a risky thing to do?

Is the sigmoidoscopy a risky thing to do?

Not generally: Flexible sig: getting cleaned out by enemas, having a flexible, lit up tube inserted into the rectum, and advanced (steered), under direct vision (video chip inside the scope) from rectum to sigmoid, and descending colon; looks at last 1.5 feet (approx) of intestine.Stops at the turn under the left ribs. No sedation usually, can do biopsy; slight risk of bleed, perforation (1 in several thousand. ...Read more

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Dr. Keegan Duchicela
Board Certified
8 years in practice
15M people helped
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Dr. John Lappas
528 doctors shared insights

Sigmoidoscopy (Overview)

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 typically requires an enema.


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What can a sigmoidoscopy diagnose?

What can a sigmoidoscopy diagnose?

It examines : The rectum and the sigmoid colon. It can be done in office without any sedation. It can diagnose diseases such as proctitis, colitis, look for polyps in the distal colon amd rectum, and also evaluate hemorrhoids. There are several other uses but the above mentioned are more common. ...Read more

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Dr. Keegan Duchicela
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8 years in practice
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Where do I go if sigmoidoscopy questions?

Where do I go if sigmoidoscopy questions?

Ask your doc: Ask your doc about indication for procedure, nature of procedure, alternatives (including not doing it), significant risks and benefits-whether it is re: sigmoidoscopy, or any other. Doc needs to inform you re: above factors, so you can make an informed consent. Also can go online to am. Coll. Gastroenterology for information. ...Read more

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What kind of complications might happen from a sigmoidoscopy?

What kind of complications might happen from a sigmoidoscopy?

Safe sigmoidoscopy: Sigmoidoscopy, when performed by a trained & experienced endoscopist is generally safe. However, risks to consider, as with any endoscopic test include: tears in the lining of the gut, perforation of the gut that may require surgery to fix, bleeding that may need transfusion, adverse reaction to sedation, infection, a missed diagnosis, and an incomplete test due to patient factors. ...Read more

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Dr. Keegan Duchicela
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8 years in practice
15M people helped
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What are the indications and symptoms for sigmoidoscopy?

Anorectal problems: Sigmoidoscopy is indicated for any anorectal problems , depending on finding may need colonoscopy later. ...Read more

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Does sigmoidoscopy hurt?

The medications: That are provided should prevent the experience of pain. ...Read more

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What is a sigmoidoscopy, is it useful?

What is a sigmoidoscopy, is it useful?

Sigmoidoscopy exam: The sigmoid colon is the last bend of the gut before food reaches the rectum. Accordingly, examination of the sigmoid ; left colon (hence the name "sigmoidoscopy") involves a flexible tube inserted into the rectum (often under sedation if you wish). The procedure takes only a few minutes ; typically requires only a limited preparation. On the other hand, "colonscopy" examines the whole colon. ...Read more

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What are the possible complications of a sigmoidoscopy?

What are the possible complications of a sigmoidoscopy?

Complications: rare: Sigmoidoscopy is a very commonly done procedure with rare significant complications. Mild bleeding can occur in patients with hemorrhoids. Perforation of the colon wall can occur in less than 1/1000 patients, usually only in those with some type of pre-existing abnormality such as diverticulosis. ...Read more

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What is the definition or description of: sigmoidoscopy?

Signoidoscopy: 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 typically requires an enema. ...Read more

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Dr. Kristi Moffat
120 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


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Dr. Keegan Duchicela
Board Certified, Family Medicine
8 years in practice
15M people helped
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