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Doctor insights on: Does Colonoscopy Rule Out Bowel Cancer

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Can bowel cancer be diagnosed through a barium enema and a colonoscopy? Help please?

Can bowel cancer be diagnosed through a barium enema and a colonoscopy? Help please?

Yes: Either or colonoscopy is the best tool accuracy more than 95% barium enema use to be the tool but the accuracy and false positive and negative are not enough to depend on colonoscopy can discover polyps too small to be seen by barium enema and can have it removed at the same time. ...Read more

Intestine (Definition)

The gastrointestinal tract starts at the mouth, travel down the tunnel (esophagus), which connects to the stomach, which then empties into the duodenum, jejunum, and ileum---the three parts of the small intestine (@25 feet). This empties into the colon or large intestine (about 5 feet), which then becomes the sigmoid colon, rectum and out the anus. So, every morsel eaten ...Read more


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My bowel cancer missed symptoms since januaury had colonoscopy think they missed it loss in more weight notably muscle including burning sensation in?

My bowel cancer missed symptoms since januaury  had colonoscopy think they missed it loss in more weight notably muscle including burning sensation in?

Need treatments: Colonoscopy will show only colon tumors not bowel cancers, small bowel cancers are less common , difficult to diagnose , most of the time not diagnosed in early stages , from what you are telling , your problem appear to be nutritional need to take more calories , seek the advise of your treatment team, . ...Read more

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My doctor warned me of doing colonscopy as it would rupture my large intestine accidently Colon cancer is in the family and i want to check myself?

My doctor warned me of doing colonscopy as it would rupture my large intestine accidently
Colon cancer is in the family and i want to check myself?

Can , but rare: At 26 to have a colonoscopy there are specific indications you don't have any symptoms , surveillance colonoscopy is done after the age of 40 .Is a relatively safe procedure must be done by a trained physician Yes older members of your family are candidates for procedure ...Read more

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If one is breastfeeding and can not undergo a colonoscopy, what would be the best (and easiest) test to undergo to rule out symptomatic colon cancer.

If one is breastfeeding and can not undergo a colonoscopy, what would be the best (and easiest) test to undergo to rule out symptomatic colon cancer.

Pump?: If the concerns for colon cancer are so great as to warrant an intervention such as a colonoscopy, perhaps you could use formula or pre-pumped breast milk during the period of time you are unable to breast feed. ...Read more

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Testing for colon cancer? Are there any tests besides the colonoscopy? I really don’t want to have to use those colon cleaning laxatives. I had to once before and felt really sick from them. Isn’t there another test?

There : There are actually two separate questions here. The first is whether there area alternative tests besides colonoscopy. There are other tests; but each one has limits. Testing stool for blood can identify cancers; but is not a good preventative test. The real goal is to find polyps before they become malignant. Work is underway on tests that try to analyze dna found in stool to look for markers of abnormal growths. It is an exciting area; but the current tests are not accurate enough and far too expensive. The alternative to colonoscopy that is designed to find polyps without insertion of a colonoscope is ct colography or "virtual colonoscopy". However, it also requires a preparation; and is both more uncomfortable and less accurate than the colonoscopy. The second question you asked deals with the preparation itself. Talk to your physician. There are several newer preparations that entail much smaller volumes of preparation liquid over longer times than we used to use in the past. Most people find it easy and very tolerable. I know i did for my exams. ...Read more

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My GI found a TVA through a colonoscopy. I was 20, now 22, and do have a family history of colon cancer. How often should I redo the colonoscopy?

My GI found a TVA through a colonoscopy. I was 20, now 22, and do have a family history of colon cancer. How often should I redo the colonoscopy?

Repeat in 3 yrs.: Adenomas of bowel are divided into 1) tubular, 2) tubulovillous, and 3) villous. #2 encountered in 8-16% of cases. Dysplasia not infrequent and therefore, what was found ? Of the adenomas of bowel less than 5% as associated with carcinoma and considering age, an initial evaluation q3yrs would suffice and then spread out the following years. Eventual stool test will detect tumor protein . ...Read more

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Could I have a pet scan to check for colon cancer instead of having a colonoscopy?

Could I have a pet scan to check for colon cancer instead of having a colonoscopy?

I agree, No: Pet-ct scans are typically used after a diagnosis of cancer to look for other spread of the tumor. If you are looking for an alternative to routine colonoscopy, ct-colonography or virtual colonoscopy is an option. This still involves a bowel prep but requires no sedation. If something is found, you may still need a colonoscopy. Insurance companies are not quite on-board paying for this as yet. ...Read more

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Grandmother died of colon cancer in her 70s. Granddaughter has had 3 clean colonoscopies in her 50 s. How often should I be screened?

Grandmother died of colon cancer in her 70s. Granddaughter has had 3  clean colonoscopies in her 50 s. How often should I be screened?

Yes, over 50 : Every one over 50 years should undergo colonoscopy. If there is a history of colon cancer in the family, it can be done earlier. The biggest discomfort is the bowel prep to get ready for test. If you don't want a colonoscopy , it can be done by ct scans and performing virtual colonoscopy. Early colon cancer usually begins as a polyp and is curable. Colonoscopy is generally repeated every 5 years. ...Read more

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Dr. Eric Kaplan
910 doctors shared insights

Colon Cancer (Definition)

Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more


Dr. Barry Rosen
4,121 doctors shared insights

Cancer (Definition)

An uncontrolled cell growth leading to invasion and metastases is what cancer is defined as. It produced abnormal growth of cells which acquire destructive properties causing serious threat to host's life, unless it can be removed or destroyed by ...Read more