The diagnosis of colon cancer sometimes occur before the first symptoms appearance of it and at that time it is most curable. Interested to know about the colon cancer then just visit this page, what is colon cancer?Image may be NSFW.
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The diagnosis process of colon cancer includes few tests that are performed by physician in order to know more about colon problems. Normally the diagnosis process starts with physical exams; in which doctor press the belly area. In this exam a doctor rarely come to know about any problem. He may or may not feel the mass.
Some tests includes
Fecal occult blood test (FOBT):
This test come just after the physical exam and in order to get the exact diagnosis result physician combined it with colonoscopy or sigmoidoscopy; because without this combination this test is often negative in patients with colon cancer. But you must note a point that the positive result of FOBT doesn’t implies that the patient has targeted by cancer.
Following are some imaging tests used to detect the cause of colon cancer.
Colonoscopy:
It comprises of the visual examination of colon and rectum with the help of a thin flexible tube having a lighted camera inside its tip named as colonscope. This internal camera transmits the images of colon to the television screen. If the doctors find small polyps during this procedure then they readily remove it through an instrument .While for large polyps , they suggest you the best treatment of colon cancer.
Visual Colonscopy/ CT colongraphy
It is an alternative method of colonoscopy and based on the advanced technology. In this method the detailed cross-sectional images of abdomen are created with the mean of a CT scanner. These images make it feasible for the doctors to clearly diagnose any cancerous cell growth of patient’s colon.
Sigmoidscopy:
This physical test is similar to colonscopy; through this method physician examine the sigmoid (the last two feet of your intestine) and the rectum. This method isn’t commonly used by the physician because it is not helpful in detecting the abnormalities of upper two-thirds of colon.
Probe-Based Laser Confocal Endomicroscopy
This is an advanced test that is used during colonscopy. With it the physician tries to distinguish benign from malignant polyps. A fibreoptic probe is passed through an endoscope to see the polyps. The basic purpose of this method to save the time, effort and money that is involved in the removal of unnecessary polyps of patients.
Live Function test :
When the doctor confirmed that colon cancer existence in patient then this test is performed to get an idea about the extent and stage of cancer. It also known as the staging test in which exact stage of cancer is diagnosed. This test includes the CT scan or MRI scan of the abdomen, pelvic area, chest, or brain. A physician may go for PET scan for detecting the stage of colon cancer.
