What is Flexible Sigmoidoscopy? Flexible Sigmoidoscopy lets your doctor examine the lining of the rectum and a portion of the colon by inserting a flexible tube about the thickness of your finger into the anus and slowly advancing it into the rectum and lower part of the colon.
Your doctor will tell you what cleansing routine to use. In general, preparation consists of one or two enemas prior to the procedure, but could include laxatives or dietary modifications as well. However, in some circumstances, your doctor might advise you to forgo any special preparation. Because the rectum and lower colon must be completely empty for the procedure to be accurate, it’s important to follow your doctor’s instructions carefully.
Most medications can be continued as usual. Inform your doctor about medications that your taking -particularly aspirin products or anticoagulants (blood thinners) – as well as any allergies you have to medications. Also, tell your doctor if you require antibiotics prior to dental procedures, because you might need antibiotics prior to sigmoidoscopy as well.
Flexible Sigmoidoscopy is usually well tolerated. You might experience a feeling of pressure, bloating, or cramping during the procedure. You will lie on your side while your doctor advances the sigmoidosope through the rectum and colon. As your doctor withdraws the instrument, he will carefully examine the lining of the intestine.
If your doctor sees an area that needs further evaluation, your doctor might take a biopsy to be analyzed. Biopsies are used to identify many conditions, and your doctor might order one even if he or she doesn’t suspect cancer.
If your doctor finds polyps, he or she might take a biopsy of them as well. Polyps, which are growths from the lining of the colon, vary in size and types. Polyps known as “hyperplastic” might not require removal, but benign polyps known as “adenomas” are potentially pre-cancerous. Your doctor will likely ask you to have a colonoscopy to remove any large polyps or any small adenomas.
Your doctor will explain the results to you when the procedure is done. You might feel bloated or some mild cramping because of the air that was passed through the colon during the examination. This will disappear quickly when you pass gas. You should be able to eat and resume your normal activities after leaving your doctor’s office or hospital.
Flexible Sigmoidoscopy and biopsy are safe when performed by doctors who are specially trained and experienced in these procedures. Complications are rare, but it’s important for you to recognize early signs of possible complications. Contact your physician if you notice severe abdominal pain, fevers and chills, or rectal bleeding of more than half a cup. Note that rectal bleeding can occur several days after the biopsy.
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