Unfortunately when the features of colon cancer becomes apparent the cancer is late in most of the cases, though may not be too late. There are several types of the colon cancers. Those can be polypoidal, constricting type or ulcerative type.
Image via WikipediaBecause the features appear a little late to suggest an underlying colon cancer, screening is most important. This is to be undertaken in case of;
- Polposis of colon, stomach or intestine.
- Hereditary polyposis in family.
- Chrohn's disease or Ulcerative colitis.
But, symptoms and signs those point to suspicion of colon cancer can be;
- Change in habit of defecation.
- Alternate diarrhoea with constipation.
- Bleeding per anum.
- Piles as a cause of cancer colon.
- Pain in the abdomen.
- Palpable mass in the abdomen.
In late cases.
- Enlarged liver
- Collection of water in abdomen called ascitis.
- Distance spread of disease to other organs in abdomen and out side.
It can be diagnosed following investigations like;
- Occult blood test of stool.
- Sigmoidoscopy.
- Colonoscopy.
- Contract CT.
- Barium enema and X-Rays.
However, high degree of suspicion and screening for precancerous lesions like polyposis; and surveillance of those having family history of cancer colon and precancerous conditions may be helpful in detecting early cancer.
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