Question 1

is a pet scan used for colon cancer detection instead of a colonoscopy?

Accepted Answer

No: The standard method to detect colon cancer is a colonscopy- plus it gives the doctor a chance to get a biopsy at the same time. A pet is a very useful test for figuring out the extent of colon cancer once a diagnosis has been made- it is not used as a test to detect cancer at present..

Question 2

good day sir.i am 40 years,i had 2 ct scans of my colon lying up,down.i heard that my chances of having cancer age 55 to 60 is 100%.how true?was not told about the risks before the ct scan,i heard that i should have done colonoscopy instead thanks?

Accepted Answer

: Your risk is very low but not zero.  you can get an idea if you discuss with your X ray team.

About the same radiation as flying from Lagos to San Francisco CA several times is my guess but will vary by machine and protocol used.

If it were 100% we would not be doing CTs.

As Yogi Berra said:  It is difficult to make predictions. Especially about the future.

Question 3

does a ct scan detects colon cancer? or colonoscopy should be done?

Accepted Answer

CT vs. colonoscopy: Although CT can identify some colon cancers, it can certainly miss many, particularly the smaller (still potentially curable) ones. Colonoscopy is the gold standard for identifying and sometims curing colon cancer.

Question 4

can all types of colon cancer be detected by ct scan or colonoscopy is necessary for detection?

Accepted Answer

Colon screening : To see inside the colon well ,  it needs to be cleaned very well  So a colonoscopy or a CT scan can be limited in its ability to detect cancer. A recent study, this month, found that special CT scans, designed to screen for colon cancer, were found to be as good (actually 1% better)  as a colonoscopy to detect cancer. Regular CT  scans can find colon cancer but not as good as a colonoscopy.

Question 5

diagnosed with a "tortuous colon" via oral barium ct scan & colonoscopy; have very distended abbdomen, pain, etc. what to do?

Accepted Answer

Speak with GI: "tortuous colon" is not a disease. It is a description of your anatomy. 

If you have a distended abdomen and pain, it may be completely unrelated. You should speak with your gastroenterologist about this.

Question 6

can i be screened for colon cancer with a ct scan instead of a colonoscopy?

Accepted Answer

Yes: Virtual colonoscopy can screen for polyps. If one is found a traditional colonoscopy will be needed to remove it. Virtual colonoscopy is good for follow-up after a polyp has been removed.

Question 7

had a ct scan everything was normal including bloodwork. is colonoscopy the next step? 35 year old male concerned about colon cancer?

Accepted Answer

: This depends on what symptoms led to your CT scan, particular risks for colon cancer (e.g. strong family history), and other test results (stool testing?). Colon cancer is rare at your age, but colonoscopy might be advised if the risk is high. Discuss with your doctor, ideally a gastroenterologist.

Question 8

i had a colonoscopy yesterday.  my doctor told me i have air in one side on my colon and has scheduled a ct scan.  i don't suffer any discomfort and g?

Accepted Answer

Unusual: But the doctor who did the colonoscopy would be the best person to answer your question

Question 9

can neuroendocrine tumors occur outside of the colon in setting of ct & octreotide scan showing in cecum but colonoscopy shows nothing in this area?

Accepted Answer

Tumors and HTN: 40 F asks: Can neuroendocrine tumors occur outside of the colon in setting of CT &amp; Octreotide scan showing in cecum but colonoscopy shows nothing in this area? ANS: Yes but these diseases are very rare and variable recommend you see a team that specializes it in your area one of the best is in Houston at the big cancer center.

Question 10

would advanced colon cancer show up on a ct scan of my abdomen ? reg ct scan not virtual colonoscopy.

Accepted Answer

Depends: A ct scan does not evaluate colon cancer very well. If there is "advanced" cancer as you asked, possibly a large colon mass could be seen, or if there is metastatic disease to the liver which may also be seen on ct scan. Otherwise, locally advanced cancer contained in the colon or lymph nodes may not be seen on ct scan.

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Doctor answers about:

Colon scan vs colonoscopy

A member asked:

Is a pet scan used for colon cancer detection instead of a colonoscopy?

A member asked:

Good day sir.i am 40 years,i had 2 ct scans of my colon lying up,down.i heard that my chances of having cancer age 55 to 60 is 100%.how true?was not told about the risks before the ct scan,i heard that i should have done colonoscopy instead thanks?

A member asked:

Does a ct scan detects colon cancer? or colonoscopy should be done?

A member asked:

Can all types of colon cancer be detected by ct scan or colonoscopy is necessary for detection?

A member asked:

Diagnosed with a "tortuous colon" via oral barium ct scan & colonoscopy; have very distended abbdomen, pain, etc. what to do?

A member asked:

Can i be screened for colon cancer with a ct scan instead of a colonoscopy?

A member asked:

Had a ct scan everything was normal including bloodwork. is colonoscopy the next step? 35 year old male concerned about colon cancer?

A member asked:

I had a colonoscopy yesterday. my doctor told me i have air in one side on my colon and has scheduled a ct scan. i don't suffer any discomfort and g?

A member asked:

Can neuroendocrine tumors occur outside of the colon in setting of ct & octreotide scan showing in cecum but colonoscopy shows nothing in this area?

A member asked:

Would advanced colon cancer show up on a ct scan of my abdomen ? reg ct scan not virtual colonoscopy.

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