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Doctor insights on: Colon Examination

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Can the rectal exam find colon cancer?

Can the rectal exam find colon cancer?

Only: ..If it is low in the rectum and palpable to the finger. Also, if it's causing bleeding, the doctor may do an occult blood test during the rectal exam which if positive, may lead to the discovery of cancer later. Not a great screening test, though. ...Read more

Dr. Lonnie Smith
13 doctors shared insights

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more


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How is a digital rectal exam done to detect colon cancer?

How is a digital rectal exam done to detect colon cancer?

May not: A digital rectal examination can only test as far a finger will go into the rectum. A finger inserted through the anus cannot reach colon, therefore a digital rectal examination cannot detect colon cancer. However, rectum is part of the colon and a common site for cancer and a digital rectal exam is useful. Colonoscopy remains the gold standard for detecting colon cancer. ...Read more

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Can an anal fissure be detected by a colon rectal surgeon by a digital rectal exam or anoscopy?

Not so deep: This can often be detected by simply spreading the anal opening by lateral traction on adjacent skin. Any primary care doc can find the common ones. Anoscopy can see further up but is usually unnecessary unless you are looking for a source of bleeding. ...Read more

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Is colon cancer removable by a colonoscopy?

Is colon cancer removable by a colonoscopy?

Possibly: We believe most colon cancers progress through a polyp stage. Polyp simply means growth and can be any size or configuration but can be small. Early on a cancer can still be partly a polyp and be removed during colonoscopy. They still need to be evaluated and treated as a cancer however, and it does not necessarily mean the cancer is cured by just removing it as a cancerous polyp. ...Read more

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Comparison of diagnosis colorectal cancer between ctscan and barium enema?

Comparison of diagnosis colorectal cancer between ctscan and barium enema?

Depends on size: Can see the blood supply of tumour mass on a cat scan.. But small polyps do not show... Be does not see polyps, but does see tumour.. Colonoscopy with a perfect prep is the gold standard for large and small. ...Read more

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Can an abdominal/pelvic CT scan incidentally detect colon cancer or polyps?

Can an abdominal/pelvic CT scan incidentally detect colon cancer or polyps?

Incidental: An abdominal ct scan may incidentally demonstrate the suspicion of a fairly large colon cancer but not small lesions or polyps. A conclusive diagnosis of colon cancer requires a tissue diagnosis by biopsy. ...Read more

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Can an abdominal CT scan find colon cancer?

Can an abdominal CT scan find colon cancer?

Check out website : Sometimes a ct scan can pick it up but a colonoscopy is the best initial test. Please check out www.Michaelsmission.Org it is a very informative website about colorectal cancer. ...Read more

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Would colon cancer or rectal cancer show up on an abdominal CAT scan?

Would colon cancer or rectal cancer show up on an abdominal CAT scan?

Potentially: it could show up on CT if large enough, but small tumors may not be visualized. ...Read more

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Can ultrasound detect colon cancer?

Can ultrasound detect colon cancer?

Rarely: Sometimes ultrasound will see a colon mass but this is uncommon. Spread of colon cancer to the lymph nodes or liver would be more common to see than the tumor itself. ...Read more

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Is lady's digital rectal examination uncomfortable?

Is lady's digital rectal examination uncomfortable?

Shouldn't be: This should be a gentle component of a vaginal examination and while a bit of a shock the first time, should not be a lasting issue. If there is no pathology in this region, there is nothing to cause deeper pain. ...Read more

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Can colorectal cancer be diagnosed by CT and barium enema ?

No: You need a biopsy for diagnosis. Ct and barium enema can be highly suggestive, but pathology is required. ...Read more

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Docs, could a large colon polyp mean colon cancer?

Docs, could a large colon polyp mean colon cancer?

Not really: Not really the size of the polyp does not determined if it is cancer or not of course large polyp can do more damage and depend on location can cause obstruction and bleeding the histology of the polyp determined if it is malignant or pre malignant. ...Read more

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My colonoscopy microscopic diagnosis: transverse colon polyp biopsy: polypoid colonic mucosa with mild nonspecific chronic inflamation...what is this?

My colonoscopy  microscopic diagnosis: transverse colon polyp biopsy: polypoid colonic mucosa with mild nonspecific chronic inflamation...what is this?

Nothing: non specific colon inflammation it could be anything but not cancer. there is no risk of cancer. your doctor can review your symptoms,and the result of the biopsy and reach the proper conclusion. nothing serious. ...Read more

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Can a colon infection cause colon cancer?

Can a colon infection cause colon cancer?

Usually not: Infections can co-exist with, but not cause, colon cancer. Ulcerative colitis, which is not an infection but an inflammatory disease, is tied to increased chances of developing colon cancer. ...Read more

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Is it possible for CEA, C19-9, Abdominal Echo and FOB examinations to detect hemorrhoids, polyps and Colon Caner? Thank you!

Is it possible for CEA, C19-9, Abdominal Echo and FOB examinations to detect hemorrhoids, polyps and Colon Caner? Thank you!

No perfect tests!!: Some of these tests(CEA) are only useful for far advanced Cancers(not helpful for early detection of polyps or colon cancer. CEA and CA 19-9 are tumor markers, they are useless for most cases of early cancer. Abdominal ECHO has limited usefulness to detect fluid and certain cystic lesions, not useful for Colon Cancer. The best test for checking colon for polyps and colon cancer is Colonoscopy ...Read more

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Does a flexible sigmoidoscopy detect bowel cancer ?

Does a flexible sigmoidoscopy detect bowel cancer ?

Sigmoidoscopy: This procedure looks only at your lower bowel in contrast to a colonoscopy that should look at your entire bowel. All the best sorting through this. ...Read more

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Can an abdominal pelvic cat scan screen for colon cancer or see a mass in the rectum?

Can an abdominal pelvic cat scan screen for colon cancer or see a mass in the rectum?

Sometimes: Sometimes a cat scan will be able to see a mass in the colon or rectum but it is not a good test for screening for colorectal cancer. There is a specialized type of ct scan that creates a virtual image of the inside of the colon that is sometimes used when a patient is not a good candidate for a colonoscopy. ...Read more

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Can an abdominal/pelvic CT scan show colon polyps or cancer?

Can an abdominal/pelvic CT scan show colon polyps or cancer?

CT Scan Findings: Ct scan is not the best study to detect colon cancer. Although a ct scan may show a large sized colon cancer, the sensitivity of this is greatly reduced without the administration of oral contrast. The best diagnostic study for colon cancer or polyps is colonoscopy. ...Read more

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Dr. Adam Lewis
12 doctors shared insights

Colonic (Definition)

This is a combining term referring to some condition, treatment or disease of the colon. Such as colonic enema, colonic ...Read more