Doctor insights on:
Colon Cancer And Blood Test
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
Not related likely: Most likely blood in the urine is not related to your lung cancer. Go to see your doctor to eval why you have blood in the urine- infection? Stone? Etc. Are you receiving chemo? Sometimes- medication include chemo can cause irritation on the bladder/cystitis. Discuss with your doctor re-above problem- get some work-up and go from there. An imaging like sono kidney or ct scan may be needed. ...Read moreSee 1 more doctor answer
Guaiacs-: Are actually tests of thin films of stool to discern if there is hidden blood beneath visiblity, so-called "occult blood". It is a great screen, that if positive leads to a closer, less comfortable, more expensive test: colonoscopy. After 50, you get one per decade without occult blood in stool! ...Read moreSee 2 more doctor answers
FOBT is screen: Fobt is designed to test for blood in stool. Blood in stool may be due to any bleeding in the GI tract from the gums to the anus; and there are false positives also. If fobt is positive, colonoscopy is generally recommended to look of colon cancer. Fobt per se is not a diagnostic test for cancer, just blood in stool. ...Read moreSee 3 more doctor answers
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 moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
Not really.: Apart from tests for genetic markers, breast cancer is usually diagnosed from self exam or mammography where a mass is detected. If it persists throughout the cycle, or is in postmenopausal women, it should be aspirated. If the fluid is bloody or leaves a residual mass, or the original mass is solid, a mammogram and excisional biopsy are done. ...Read moreSee 1 more doctor answer
Not all cancers: Most cancers are not detected in the blood initially. There are a few that produce markers that allow us to screen patients for cancer with a blood test. Prostate cancer is the most common. There are some blood markers that are used to detect GI cancers as well as to follow patients with gyn cancers as well as breast. Testicular cancer also has commonly used markers. Must be in context of case. ...Read more
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 moreSee 1 more doctor answer
Most: most cancers can show up as shed markers in the urine and blood by performing an ELISA. The problem is that for the most part the markers represent carbohydrate antigens which also appear in an inflammatory condition involving the organ. As such it is recommended to use the markers for following clinical response rather than for diagnosis. ...Read more
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
Several tests done.: Pain and bloating can be signs of ovarian cancer, but they can be just from a painful period. Ovarian cancer would be more likely in older women, like 40+ years, and most likely in women 70+ years. Other tests, like pelvic exam, ca-125, and transvaginal ultrasound would be needed. The ultimate way to know is surgery to see if it is in fact, a tumor of something else. ...Read more
Not gold standard: It's a pretty good screen but if you're having symptoms, you need to get 'scoped. ...Read more
Bleeding: It depends. If it is bright red blood it could be an area of irritation at surgery site or anastomosis, an ulcer, a blood vessel or other complication of surgery. Other conditions unrelated to surgery such as hemorrhoids and diverticulosis can result in bleeding. You need to talk with your doctor to clarify what you are noting. ...Read more
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 moreSee 2 more doctor answers
Backward: There is no screening test for ovca. However, if you have ovarian cancer, a ca-125 level may or may not be elevated. If it is, it may be one thing monitired for response. Getting ca-125, an expensive blood test of unproven value before knowing you have the cancer is inded backward, costly, non-specific and can led to unnecessary worry. ...Read moreSee 1 more doctor answer
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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