Top
40
Doctor insights on: Colon Cancer Detection Test

Share
1

1
Are cea markers reliable for metastic colon cancer ?

Are cea markers reliable for metastic colon cancer ?

Depending how used: CEA first identified in 1965 by Phil Gold and Samuel O. Freedman in human colon cancer extracts. Thought to be valuable for dx colorectal Ca but the glycoprotein is also expressed in inflamed tissue so that smoking and enema can cause rise. Best used for monitoring so that if present in primary and rises it represents treatment failure and if diminishes during treatment it represents a response. ...Read more

See 5 more doctor answers
Dr. Barry Rosen
4,366 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
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

4

4
Which colon cancer screening test is used?

Which colon cancer screening test is used?

Many options: The gold standard is colonoscopy, which is performed under sedation. Other alternatives include barium enema, ct colonography ("virtual colonoscopy"), flexible sigmoidoscopy, and/or checking for blood in bowel movements (hemoccult test). I recommend colonoscopy for all my patients at age 50 (or earlier, if they have a family history). ...Read more

See 1 more doctor answer
5

5
What is msi test in colon cancer?

What is msi  test in colon cancer?

Screening tool: Msi test has a few uses in colorectal cancer screening and surveillance. While only 15 percent of colorectal cancers are msi positive, as many as 90 percent of patients with lynch syndrome (specific genetic etiology for colorectal cancer) have a positive msi test. The test may also be helpful in determining those patients with stage ii or iii cancer who may benefit from chemotherapy. ...Read more

See 2 more doctor answers
6

6
What is a fecal occult test in detecting colon cancer?

What is a fecal occult test in detecting colon cancer?

Test for blood in BM: The fobt tests for blood in the stool. Test is performed on spontaneously voided stool on three separate occasions. Presence of blood in any of the samples is a "positive" test. Blood may indicate cancer, hemorrhoids, blood vessel abnormality, local irritation or a host of other non life threatening things. However, blood in the stool is a finding that needs follow up with a more specific test. ...Read more

See 1 more doctor answer
7

7
Are occult blood tests for colon cancer reliable?

Are occult blood tests for colon cancer reliable?

Screening: It is a good start specially of yo had before and they were normal. ...Read more

See 1 more doctor answer
8

8
What blood test detect testicular cancer?

What blood test detect testicular cancer?

Usually an adept: Hand examining the scrotum is the beginning, but you are likely referring to Alpha -feto-protein (embryonal and yolk sac tumors) and HCG (human chorionic gonadotropin) choriocarcinoma, germinoma, and teratoma. Seminoma may not produce either, and never afp. These occur in all ages, but especially young men teens and twenties. ...Read more

See 2 more doctor answers
9

9
Do colonoscopies screen for colon cancer?

Do colonoscopies screen for colon cancer?

Yes.: That is one of the main reasons for colonoscopy. The gastroenterologist usually can see every part of the colon wall and biopsy suspicious lesions. Often this is curative if found early. While not completely true, consider all polyps to be future cancers and most cancers come from polyps. Screening should begin at age 50 unless there is a history to suggest beginning earlier. ...Read more

See 1 more doctor answer
10

10
How does an iscreen fecal occult blood test detect colon cancer?

How does an iscreen fecal occult blood test detect colon cancer?

No: A fecal occult test tests for blood in the stool. Colon cancer can be a cause but so can colon polyps, hemorrhoids, stomach ulcer and many other causes. Anyone with a positive fobt test should have further work up done to evaluate where the blood is coming from. ...Read more

See 1 more doctor answer
11

11
Blood test for constipation from colon cancer?

Blood test for constipation from colon cancer?

No good test: There is no good blood test for either constipation or colon cancer. In late colon cancer cea levels are usually elevated, but there are other causes of elevated cea. ...Read more

See 1 more doctor answer
12

12
Can a ct scan detect liver failure in metastic colon cancer?

Can a ct scan detect liver failure in metastic colon cancer?

No: A CAT scan is used to visually define the extent of metastatic colon cancer in the liver should metastasis be present. Liver failure is a condition measured by functional abnormalities that occur within the liver usually due to parenchymal damage such as inflammation from hepatitis . Here one measures serum enzymes and the presence of elevated alkaline phosphatase and bilirubin in serum. ...Read more

See 1 more doctor answer
13

13
Can a stool cancer screening show polps?

Can a stool cancer screening show polps?

The guaiac test: For blood in stool is not specific, and a polyp could be the cause, but occult blood is an indication for endoscopy to find tha cause of the occult bleeding: polyp, hemorrhoid, divertic, cancer, ulcer, etc. ...Read more

See 1 more doctor answer
14

14
Can KUB show polyps and/or colon cancer?

Can KUB show polyps and/or colon cancer?

Not usually: Polyps and Colin cancer are soft tissue conditions, and do do not typically show up on X-ray. The main exceptions to this are if they are calcified, if they are causing a bowel obstruction ( you can diagnose the obstruction but not the cancer), or if contrast is given in the GI tract first ( known as a upper or lower GI series). Ct scan is the radiologic test of choice, colonoscopy shows as wel ...Read more

See 3 more doctor answers
15

15
Are there any stomach cancer and colon cancer molecular screening tests?

Are there any stomach cancer and colon cancer molecular screening tests?

Yes : Colon cancer can be genetic and there a re criteria that can apply and genetic testing is available. There is also a blood level you can check called cea . For stomach cancer like adenocarcina there is no genetic testing. There are familial syndromes like men that can cause stomach tumors called gastronomas or ze syndrome. If concerned can talk to your doctor. But overall these things very rare. ...Read more

See 1 more doctor answer
16

16
How reliable are the screening tests for prostate cancer? Does prostate cancer screening save lives?

How reliable are the screening tests for prostate cancer? Does prostate cancer screening save lives?

Doubtful: Psa screening of asymptomatic men has not been shown, conclusively, to reduce prostate cance mortality in the us population. ...Read more

See 2 more doctor answers
18

18
Can a colonoscopy detect anal cancer?

Can a colonoscopy detect anal cancer?

Do not need: colonoscopy. Anal cancer can be detected by digital (finger) examination and a proctoscope. ...Read more

See 1 more doctor answer
19

19
Does urinalysis occult test detect cancer?

Does urinalysis occult test detect cancer?

No: Testing urine for cancer cells as screening of after treatment is not routine. Specific assays are being refined for detection. Finding occult blood or proteins may prompt evaluation but again most often does not lead to cancer diagnosis. ...Read more

20

20
How accurate Is the schebo stool test in detecting colon cancer with present symtoms?

How accurate Is the schebo stool test in detecting colon cancer with present symtoms?

Not gold standard: It's a pretty good screen but if you're having symptoms, you need to get 'scoped. ...Read more

22

22
Is a pet scan used for colon cancer detection instead of a colonoscopy?

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

No: Pet scans are used for staging cancer (assess if it has spread to other tissues), not for screening. ...Read more

See 2 more doctor answers
23

23
Can you tell me if it's likely that I have colon cancer if all tests are clear?

Probably not: By all tests I assure that you are referring to blood samples as well as colonoscopy. If the blood tests are neg. they have no diagnostic value at the present time. Most are CA or carbohydrate antibodies with about a 50-60 % validity in dx. Colonoscopy would, at the present time be the best way to assure the bowel is free from CA. If that test was neg. then at least for 5 yrs. you are fine. ...Read more

24

24
How is colon cancer diagnosed? What is the prognosis? What tests are used to determine the different stages of colon cancer

How is colon cancer diagnosed? What is the prognosis? What tests are used to determine the different stages of colon cancer

Biopsy: Colon cancer is diagnosed by a biopsy sample during colonoscopy. Pathology helps determined the stage after surgical removal of the cancer. Ranges from best stage 1 with small early cancer, to most advanced stage 4 when cancer has spread to other organs. Sometimes a ct scan or pet scan may be used to see if the cancer has spread to other sites. ...Read more

25

25
What is msi test in colon cancer?

Screening tool: Msi test has a few uses in colorectal cancer screening and surveillance. While only 15 percent of colorectal cancers are msi positive, as many as 90 percent of patients with lynch syndrome (specific genetic etiology for colorectal cancer) have a positive msi test. The test may also be helpful in determining those patients with stage ii or iii cancer who may benefit from chemotherapy. ...Read more

See 2 more doctor answers
26

26
Which colon cancer screening test is used?

Many options: The gold standard is colonoscopy, which is performed under sedation. Other alternatives include barium enema, ct colonography ("virtual colonoscopy"), flexible sigmoidoscopy, and/or checking for blood in bowel movements (hemoccult test). I recommend colonoscopy for all my patients at age 50 (or earlier, if they have a family history). ...Read more

See 1 more doctor answer
27

27
What kind of test detects ulcers, polyps and colon cancer?

What kind of test detects ulcers, polyps and colon cancer?

Intestinal scoping: A gastroscope can easily define and allow for bx of stomach ulcer. In colon, a colonoscope detects polyps and or carcinoma allowing for bx. It appears that colon cancer arises mostly from viral or carcinogen in bowel producing a field effect. If one focus mutates faster into colon Ca it suppresses all other cells which must be detected by IHC or lesion will recur after primary is resected. ...Read more

28

28
My CEA test was a 3. What should I do? I had colon cancer in 1997?

My CEA test was a 3. What should I do? I had colon cancer in 1997?

CEA of 3: is in normal range. IF you have been getting regular checkups yearly and colonoscopies, you don't need to do anything more. Just follow the recommendations for your follow ups and colonoscopies provided by your Oncologist/Colorectal surgeon/gastroenterologist. ...Read more

29

29
What do you suggest if my CEA test was a 3. should I do something else . I had colon cancer in 1997?

What do you suggest if my CEA test was a 3. should I do something else . I had colon cancer in 1997?

Chill: Three is normal, my friend. Colon cancer would be unlikely to relapse after 15 years plus. Of course, you could develop another colon cancer so you need to keep your follow ups with your oncologist and get your colonoscopies religiously. Live healthy and if you smoke, quit (that will increase the CEA, by the way). ...Read more

30

30
What is a fecal occult test in detecting colon cancer?

Test for blood in BM: The fobt tests for blood in the stool. Test is performed on spontaneously voided stool on three separate occasions. Presence of blood in any of the samples is a "positive" test. Blood may indicate cancer, hemorrhoids, blood vessel abnormality, local irritation or a host of other non life threatening things. However, blood in the stool is a finding that needs follow up with a more specific test. ...Read more

See 1 more doctor answer
31

31
Is there a DNA test to check for colon cancer?

Is there a DNA test to check for colon cancer?

Yes, BUT.: There are commercial tests available. They are not more effective than other methods of screening ( fecal occult blood and colonoscopy) and are not as cost effective. ...Read more

See 1 more doctor answer
32

32
What is the most recommended colon cancer screening test?

What is the most recommended colon cancer screening test?

Colon cancer screens: The most recommended colon cancer screening test is the colonoscopy, starting at the age of 50 (if there is no family history of colon cancer). A colonoscopy views the inside of the colon (large intestine) and rectum, using a tool called a colonoscope. The colonoscope has a small camera attached to a flexible tube that can reach the length of the colon. ...Read more

See 2 more doctor answers
33

33
If I have a parent who had colon cancer, what tests do I need to do and when?

A Colonoscopy: It would be a good idea to do a colonoscopy at the age 10 years younger than when your parent was diagnosed. If you parent was diagnosed over the age of 60 you should start at the age of 50. ...Read more

See 2 more doctor answers
35

35
Could use your help docs! my CEA test was a 3. Should I do something else? I had colon cancer in 1997?

Could use your help docs! my CEA test was a 3. Should I do something else? I had colon cancer in 1997?

First i would: Repeat the cea, if higher need to discuss with your oncologist or a colorectal surgeon or GI doctor to begin workup of recurrent colon cancer. Cea of 3 is not abnormal. You should have been getting colonoscopies regularly since your original diagnosis. Pet/ct scans may be necessary. But if cea is 3 on repeat i would not be concerned. Just stay on 5year colonoscopy schedule. ...Read more

36

36
Hi, I'm 21 and have all the symptoms of what possibly can be colon cancer. I want to know what is the best way to test for it. ?

Hi, I'm 21 and have all the symptoms of what possibly can be colon cancer. I want to know what is the best way to test for it.  ?

What symptoms?: What exactly are these "typical symptoms"? Colon cancer can cause something as subtle as a change in bowel habit. PLEASE do not diagnose yourself with Dr Google. Rather visit your doctor, tell him your symptoms (NOT what you THINK is the diagnosis), and let him make a diagnosis. He will then refer you to a specialist or schedule more tests if required. ...Read more

See 1 more doctor answer
37

37
Why are most doctors so quick to write off colon cancer probability in a 21 year old? Most doctors wont test me for colon cancer why?

Too young: Unless you have bad genetic mutation and/or terrible luck, colon cancer is exceeding rare for a 21 year old. Screening colonoscopy has an unacceptable complication vs benefit ratio when performed on an asymptomatic, normal risk young person. ...Read more

See 1 more doctor answer
38

38
Is it recommended to get a colonoscopy at age 43 if there is a family history of colon cancer? What other tests are needed at this age?

10 years before diag: A basic guideline is that in the case of a potentially inherited cancer trait, that we start screening 10 years before the presentation of a first degree relative, i.e. Parent or sibling. If the relative was diagnosed with colon cancer at age 53, we consider beginning screening tests at 43. Otherwise begin screenings as age appropriate, colonoscopy age 50, mammo age 40. ...Read more

See 1 more doctor answer
39

39
If theres hereditary predisposition of colon cancer how often should a person do colonoscopy and wha are the risk factors? And What is polyposis test?

If theres hereditary predisposition of colon cancer how often should a person do colonoscopy and wha are the risk factors? And What is polyposis test?

Colon CA/screening: ACS screening for families that have a strong history. There are families that have predisposition to develop color and rectal CA. They say screening should start 10 yrs prior to the family members Dx. Say mom Dx at 40, screening would start at 30 in her family. Once you've had the first scope re can be made on the frequency, every 3 to 5 yrs depending on number of members Dx. ...Read more

40

40
Can a doctor tell if you have colon cancer by taking test?

Depends on type: Guaiac for blood in the stool can be a sign of colon cancer. Colonoscopy is a screening study, where a polyp, tumor, or mass can be biopsied and a diagnosis given by a pathologist for colon cancer. Imaging studies may suggest a tumor also. There are many ways of screening for colon cancer (usually started after 50 years), depending on age and symptoms. ...Read more

See 2 more doctor answers
Dr. Oscar Novick
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


Dr. Lois Freisleben-Cook
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