Top
10
Doctor insights on: Can Colonoscopy Miss Cancer

Share
1

1
How often does a colonoscopy miss cancer?

How often does a colonoscopy miss cancer?

Rarely if ...: They prep is good and the endoscopist was sure he/she reached the beginning of the colon i.e. Cecum. Miss rate should be < 5%. ...Read more

Dr. Barry Rosen
4,223 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


2

2
Likelyhood anal cancer would be missed in 34yr male after normal colonoscopy 1yr ago? (not even hemorrhoids seen at time of test) have them now tho.

Not big problem.: Although hemorrhoids are an issue that can lead to anal cancer, they need to be very severe and longstanding and associated with a mass. Someone your age with a clear colonoscopy is still likely in the very low risk category for this cancer unless there is family history. ...Read more

See 1 more doctor answer
3

3
Been having constipation problems for a bit. Had a tiny bit of red stuff on stool. Negative colonoscopy. Are colonscopys accurate can they miss cancer?

Been having constipation problems for a bit. Had a tiny bit of red stuff on stool. Negative colonoscopy. Are colonscopys accurate can they miss cancer?

Miss rate: A colonoscopy is only as good as the eyes of the colonoscopist doing the procedure. The miss rate for colon cancer on colonoscopy is quoted from 4 to 6 percent. A good colonoscopist will have taken photos documenting that he has used the camera to look back at the rectum. Photos should also be taken of the cecum, appendix and ileocecal valve to prove the camera went all the way to end. ...Read more

See 1 more doctor answer
4

4
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

5

5
Had colonoscopy 7 months ago by a colon surgeon. Said i had excellent bowel prep. Came back perfect. What r the chances she missed cancer? Im 25

Had colonoscopy 7 months ago by a colon surgeon. Said i had excellent bowel prep. Came back perfect. What r the chances she missed cancer? Im 25

Incredibly low: Sounds like good prep allowing good look, so no narrowing, no lesions. Probably repeat in 10'years will be recommendation. Why done at age 25?! ...Read more

See 1 more doctor answer
6

6
Could having a colonoscopy tell me if I have cancer or not?

Yes, in the vast: Majority of cases. Sometimes, a small polypoid cancer can hide behind a curve or a fold, but this is rare. A competent endoscopist will hardly ever miss a colon cancer. Colonoscopy will not find cancer rthat is not in the colon. ...Read more

8

8
What happens if they find cancer mass while doing colonoscopy? Will they remove it immediately?

What happens if they find cancer mass while doing colonoscopy? Will they remove it immediately?

It depends: If the lesion appears large and involved within deeper layers, it will likely need to be removed surgically. If it is more confined and polyp-like, it will probably be removed during colonoscopy. as we can't determine if it is cancerous until we remove it and have a pathologist look at it. ...Read more

See 1 more doctor answer
9

9
Help everyone I am so worried I have cancer of the anus. Is colonoscopy the only way to tell for sure?

Help everyone I am so worried I have cancer of the anus. Is colonoscopy the only way to tell for sure?

Other options: If you are only worried about anal cancer, this can probably be evaluated with just a digital rectal exam from a qualified specialist. A rigid proctoscopy or flexible sigmoidoscopy can confirm, but a gloved finger should be able to help you. Best to discuss your concerns with a doctor. ...Read more

See 2 more doctor answers
10

10
I will have a colonoscopy dr found 2 polyps in simgdoscopy do all polyps are cancer? Do they grow back after they are removed?

I will have a colonoscopy dr found 2 polyps in simgdoscopy do all polyps are cancer? Do they grow back after they are removed?

Relax: Great majority of polyps are not cancer. Usually takes several years to develop cancer. Polyps>1 cm in size are most noteworthy. Most important colonoscopy is your first- to find polyps that developed over the decades. Should get follow up exams. Frequency depends on polyp number, size, type, family history. Discuss w/ md. Colonoscopy made headway in fight against cancer. Talk about diet, activity. ...Read more

See 2 more doctor answers
Dr. Charles Cattano
1,990 doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more