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Colonoscopy

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Colon cancer is the second leading cause of cancer death after luncg cancer. Routine colonoscopy can detect early colon cancer which is curable in 90% of the time.
 
Colonoscopy (koh-luh-NAH-skuh-pee) lets the physician look inside your entire large intestine, from the lowest part, the rectum, all the way up through the colon to the lower end of the small intestine. The procedure is used to diagnose the causes of unexplained changes in bowel habits. It is also used to look for early signs of cancer in the colon and rectum. Colonoscopy enables the physician to see inflamed tissue, abnormal growths, ulcers, bleeding, and muscle spasms.
 
WHO SHOULD HAVE A COLONOSCOPY?
Your physician may recommend a colonoscopy exam if you have change in bowel habit or bleeding, indicating a possible problem in the colon or rectum.
A colonoscopy is also necessary to:
Check unexplained abdominal symptoms
 
Check inflammatory bowel disease (colitis)
 
Verify findings of polyps or tumors located with a barium enema exam
 
Examine patients who test positive for blood in the stool
 
Monitor patients with a past history of colon polyps or cancer
HOW IS COLONOSCOPY PERFORMED?
The bowel must first be thoroughly cleared of all residue before a colonoscopy. This is done one to two days before the exam as prescribed by your physician.
 
For the procedure, you will lie on your left side on the examining table. You will probably be given pain medication and a mild sedative to keep you comfortable and to help you relax during the exam. The physician will insert a long, flexible, lighted tube into your rectum and slowly guide it into your colon. The tube is called a colonoscope (koh-LON-oh-skope). The scope transmits an image of the inside of the colon, so the physician can carefully examine the lining of the colon. The scope bends, so the physician can move it around the curves of your colon. You may be asked to change position occasionally to help the physician move the scope. The scope also blows air into your colon, which inflates the colon and helps the physician see better.
 
The colonoscope is inserted and when possible will be advanced to the portion of the colon where the small intestine enters. During a complete examination of the bowel, your physician will remove polyps or take biopsies as necessary.
 
If anything unusual is in your colon, like a polyp or inflamed tissue, the physician can remove a piece of it using tiny instruments passed through the scope. That tissue (biopsy) is then sent to a lab for testing. If there is bleeding in the colon, the physician can pass a laser, heater probe, or electrical probe, or inject special medicines, through the scope and use it to stop the bleeding.
 
Bleeding and puncture of the colon are possible complications of colonoscopy. However, such complications are uncommon.
 
Colonoscopy takes 30 to 60 minutes. The sedative and pain medicine should keep you from feeling much discomfort during the exam. You will need to remain at the physician's office for 1 to 2 hours until the sedative wears off.
 
PREPARATION
Your colon must be completely empty for the colonoscopy to be thorough and safe. To prepare for the procedure you may have to follow a liquid diet for 1 to 3 days beforehand. A liquid diet means fat-free bouillon or broth, Jell-O®, strained fruit juice, water, plain coffee, plain tea, or diet soda. You may need to take laxatives or an enema before the procedure. Also, you must arrange for someone to take you home afterward--you will not be allowed to drive because of the sedatives. Your physician may give you other special instructions.
 
The entire procedure usually takes less than an hour. There is little pain; however, mild sedation is given when necessary to relieve anxiety and discomfort. Following the colonoscopy, there may be slight discomfort, which quickly improves with the expelling of gas. Most patients can resume their regular diet later that day.
 
WHAT ARE THE BENEFITS OF COLONOSCOPY?
With colonoscopy, it is now possible to detect and remove most polyps without abdominal surgery. Colonoscopy is more accurate than an x-ray exam of the colon to detect polyps or early cancer. Frequently, polyps can be removed at the same time, a major step towards the prevention of colon cancer.

Colon cancer is the second leading cause of cancer death after luncg cancer. Routine colonoscopy can detect early colon cancer which is curable in 90% of the time.


Colonoscopy (koh-luh-NAH-skuh-pee) lets the physician look inside your entire large intestine, from the lowest part, the rectum, all the way up through the colon to the lower end of the small intestine. The procedure is used to diagnose the causes of unexplained changes in bowel habits. It is also used to look for early signs of cancer in the colon and rectum. Colonoscopy enables the physician to see inflamed tissue, abnormal growths, ulcers, bleeding, and muscle spasms.


WHO SHOULD HAVE A COLONOSCOPY?

 

Your physician may recommend a colonoscopy exam if you have change in bowel habit or bleeding, indicating a possible problem in the colon or rectum. A colonoscopy is also necessary to:

-  Check unexplained abdominal symptoms 
-  Check inflammatory bowel disease (colitis) 
-  Verify findings of polyps or tumors located with a barium enema exam 
-  Examine patients who test positive for blood in the stool 
-  Monitor patients with a past history of colon polyps or cancer

 

HOW IS COLONOSCOPY PERFORMED?

 

The bowel must first be thoroughly cleared of all residue before a colonoscopy. This is done one to two days before the exam as prescribed by your physician. 

 

For the procedure, you will lie on your left side on the examining table. You will probably be given pain medication and a mild sedative to keep you comfortable and to help you relax during the exam. The physician will insert a long, flexible, lighted tube into your rectum and slowly guide it into your colon. The tube is called a colonoscope (koh-LON-oh-skope). The scope transmits an image of the inside of the colon, so the physician can carefully examine the lining of the colon. The scope bends, so the physician can move it around the curves of your colon. You may be asked to change position occasionally to help the physician move the scope. The scope also blows air into your colon, which inflates the colon and helps the physician see better. 

 

The colonoscope is inserted and when possible will be advanced to the portion of the colon where the small intestine enters. During a complete examination of the bowel, your physician will remove polyps or take biopsies as necessary. 

 

If anything unusual is in your colon, like a polyp or inflamed tissue, the physician can remove a piece of it using tiny instruments passed through the scope. That tissue (biopsy) is then sent to a lab for testing. If there is bleeding in the colon, the physician can pass a laser, heater probe, or electrical probe, or inject special medicines, through the scope and use it to stop the bleeding. 

 

Bleeding and puncture of the colon are possible complications of colonoscopy. However, such complications are uncommon. 
Colonoscopy takes 30 to 60 minutes. The sedative and pain medicine should keep you from feeling much discomfort during the exam. You will need to remain at the physician's office for 1 to 2 hours until the sedative wears off. 

 

PREPARATION

 

Your colon must be completely empty for the colonoscopy to be thorough and safe. To prepare for the procedure you may have to follow a liquid diet for 1 to 3 days beforehand. A liquid diet means fat-free bouillon or broth, Jell-O®, strained fruit juice, water, plain coffee, plain tea, or diet soda. You may need to take laxatives or an enema before the procedure. Also, you must arrange for someone to take you home afterward--you will not be allowed to drive because of the sedatives. Your physician may give you other special instructions. 

 

The entire procedure usually takes less than an hour. There is little pain; however, mild sedation is given when necessary to relieve anxiety and discomfort. Following the colonoscopy, there may be slight discomfort, which quickly improves with the expelling of gas. Most patients can resume their regular diet later that day. 

 

WHAT ARE THE BENEFITS OF COLONOSCOPY?

 

With colonoscopy, it is now possible to detect and remove most polyps without abdominal surgery. Colonoscopy is more accurate than an x-ray exam of the colon to detect polyps or early cancer. Frequently, polyps can be removed at the same time, a major step towards the prevention of colon cancer.

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