colon

Colon cancer

What is colon cancer? Colon cancer is a general term used to describe a group of malignant (cancerous) tumours that develop from cells normally found in the colon. A malignant tumour is made up of abnormal cells that have the ability to invade surrounding tissues and spread to other parts of the body. The most …
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Colon

What is the colon? The colon is an organ and a part of the gastrointestinal tract. Other parts of the gastrointestinal tract include the mouth, esophagus, stomach, small bowel, rectum, and anal canal. The colon is a long hollow tube that starts at the small bowel and ends at the anal canal. Together, the colon, …
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Colonic mucosa

What is colonic mucosa? Colonic mucosa is a term used to describe the specialized tissue that covers the inside of the colon. The colon is a long, hollow organ and part of the digestive tract. It starts at the end of the small bowel (the ileum) and ends at the anal canal. Colonic mucosa is …
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Invasive adenocarcinoma of the colon and rectum

What is invasive adenocarcinoma? Invasive adenocarcinoma is the most common type of colon cancer. It starts from the glands normally found on the inside surface of the colon. Any part of the colon, from the cecum to the rectum, can be involved. In many cases, this type of cancer starts in a pre-cancerous condition called …
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Mucinous adenocarcinoma of the colon and rectum

What is colorectal mucinous adenocarcinoma? Colorectal mucinous adenocarcinoma is a type of colon cancer. In order to make this diagnosis, at least 50% of the tumour must be made up of extracellular mucin. Mucinous adenocarcinoma accounts for approximately 10 to 20% of all colon cancers in adults. Compared to other types of colon cancer, mucinous …
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Collagenous colitis

What is collagenous colitis? Collagenous colitis is a non-cancerous condition caused by an increased number of immune cells within tissue lining the inside of the colon. This leads to inflammation and damage which prevents the colon from functioning normally. Collagenous colitis belongs to a group of related conditions called microscopic colitis. This group includes lymphocytic …
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Lymphocytic colitis

What is lymphocytic colitis? Lymphocytic colitis is a non-cancerous condition caused by an increased number of immune cells within the mucosa that covers the inside surface of the colon.  This leads to inflammation and damage which prevents the colon from functioning normally. What are the symptoms of lymphocytic colitis? People with lymphocytic colitis can develop …
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Microscopic colitis

What is microscopic colitis? Microscopic colitis is a non-cancerous condition caused by an increased number of immune cells within the mucosa that covers the inside of the colon.  This leads to inflammation and damage which prevents the colon from functioning normally. There are two types of microscopic colitis: lymphocytic colitis and collagenous colitis. What are …
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Hyperplastic polyp of the colon

What is a hyperplastic polyp? A hyperplastic polyp is a non-cancerous growth that can be found anywhere in the colon or rectum. It starts from glands on the inside surface of the colon and rectum. It is called a polyp because it usually sticks out from the surface of the tissue. Hyperplastic polyps are very …
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Adenocarcinoma of the colon and rectum

About this article: This article was created by doctors to help you read and understand your pathology report for adenocarcinoma of the colon and rectum. If you have any questions about this article or your pathology report, please contact us. What is colorectal adenocarcinoma? Colorectal adenocarcinoma is the most common type of colon cancer. It …
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