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Colon Diseases - Polyps
What causes blood in stool?
Blood in stool is commonly caused by anal fissure or piles. However, the blood can come from colon (large intestine). Common causes are ulcers, colorectal polyp & colon cancer. Blood coming from colonic sources usually is dark red in colour. It is called hematochezia in medical language.
Colonoscopy
Colorectal polyp
Colorectal polyp
is a fleshy growth arising from the linings of colon or rectum. It is also called largeintestinal polyps
. Most of them are benign. However, some of them may turn into malignant tumour. They may be single or multiple. Colorectal polyp can be identified by colonoscopy & can easily be removed if small in size, in a procedure called 'Polypectomy'.
Colon Polyp & Cancer
What causes polyp?
Polyp usually does not have any known causes. Old age is one of the risk factor. There are certain medical conditions which increases the risk of polyps such as familial adenomatous polyposis, ulcerative colitis, crohn's disease or family history of polyp or cancer.
Colon polyp symptoms
When small colon polyp usually does not cause symptoms. However, with increasing size the colon polyp symptoms may be mucus discharge in stool, diarrhoea, constipation or blood in stool. When symptomatic, such polyps should be removed & examined in the laboratory. Among the types of polyps - hyperplastic, tubular, villous or mixed, it's the villous type which has a higher risk of turning into malignancy.
Polypectomy
Removal of small tumourfrom colon
