Monday, February 11, 2013

Tests that can Find Both Colorectal Polyps and Cancer

Flexible sigmoidoscopy

During this test, the doctor looks at aspect of the colon and anus with a sigmoidoscope - a versatile, illuminated pipe about the width of a handy with a little electronic camera on the end. It is placed through the anus and into the reduced aspect of the digestive tract. Images from the opportunity are considered on a show observe.

Using the sigmoidoscope, your doctor can perspective the within of the rectum and aspect of the digestive tract to identify (and probably remove) any problem. Because the sigmoidoscope is only 60 centimeters (about 2 feet) long, the doctor is able to see the whole anus but less than 50 percent of the digestive tract with this process.

Before the test: The colon and anus must be vacant and clean so your doctor can perspective the coating of the sigmoid colon and rectum. Your doctor provides you with particular guidelines to adhere to to fresh them out. You may be requested to adhere to a unique eating plan (such as consuming only obvious liquids) for a day before the examination. You may also be requested to use enemas or to use powerful stimulant laxatives to fresh out your digestive tract before the examination. Be sure to tell your physician about any drugs you are getting, as you might need to modify how you take them before the analyze.

During the test: A sigmoidoscopy usually requires 10 to 20 minutes. Most individuals do not need to be sedated for this test, but this may be an choice you can talk about with your doctor. Sleep may create the analyze less unpleasant, but you will need a while to restore from it, as well as have someone with you to take you house after the analyze.


You will probably be requested to lie on a desk on your remaining part with your legs placed near your chest area. Your physician should do a electronic anal examination, or DRE (inserting a gloved, oiled handy into the rectum), before placing the sigmoidoscope. The sigmoidoscope is oiled to help you to place into the anus. The opportunity may experience freezing. The sigmoidoscope may expand the walls of the digestive tract, which may cause intestinal fits or reduced stomach pain. Air will be placed into the sigmoid digestive tract through the sigmoidoscope so the physician can see the digestive tract surfaces better. During the process, you might experience stress and minor pains in your reduced stomach. To convenience pain and the desire to have a bm, it allows to relax and gradually through the oral cavity area. You will experience better after the analyze once the air results in your digestive tract.

If a little polyp is discovered during the analyze your physician may eliminate it with a little device approved through the scope. The polyp will be sent to a lab to be considered by a pathologist. If a pre-cancerous polyp (an adenoma) or intestinal tract melanoma is discovered during the analyze, you will need to have a colonoscopy later to look for polyps or melanoma in the relax of the digestive tract.

Possible problems and side effects: This test may be unpleasant because of the air put into the digestive tract, but it should not be agonizing. Be sure to let your physician know if you experience pain during the process. You might see a bit of blood vessels in your first bm after the analyze. Important blood vessels loss and pierce of the digestive tract are possible problems, but they are very unusual.

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