Since you had an adenoma, you will need to have another colonoscopy to make sure that you don’t develop any more adenomas. How does having an adenoma affect my future follow-up care? If high-grade dysplasia is found in your polyp, it might mean you need to have a repeat (follow-up) colonoscopy sooner than if high-grade dysplasia wasn’t found, but otherwise you do not need to worry about dysplasia in your polyp. The most important thing is that your polyp has been completely removed and does not show cancer. Polyps that are more abnormal and look more like cancer are said to have high-grade (severe) dysplasia.Polyps that are only mildly abnormal (don’t look much like cancer) are said to have low-grade (mild or moderate) dysplasia.What if my report mentions dysplasia?ĭysplasia is a term that describes how much your polyp looks like cancer under the microscope: Most patients with these polyps, however, never develop colon cancer. Someone who has had one of these types of polyps has an increased risk of later developing cancer of the colon. These types of polyps are not cancer, but they are pre-cancerous (meaning that they can turn into cancers). What does it mean if I have an adenoma (adenomatous polyp), such as a sessile serrated adenoma or traditional serrated adenoma? Sessile serrated adenomas (also called sessile serrated polyps)īoth types need to be removed from your colon.There are 2 types, which look a little different under the microscope: Serrated polyps (serrated adenomas) have a saw-tooth appearance under the microscope. What if my report uses the term serrated? Polyps that tend to grow as slightly flattened, broad-based polyps are referred to as sessile. The growth pattern is only important because it helps determine when you will need your next colonoscopy to make sure you don’t develop colon cancer in the future. Adenomas with a villous growth pattern are also more likely to have cancers develop in them. Larger adenomas more often have cancers developing in them. Larger adenomas may have a villous growth pattern. Most adenomas that are small (less than ½ inch) have a tubular growth pattern. Many adenomas have a mixture of both growth patterns, and are called tubulovillous adenomas. There are 2 major growth patterns: tubular and villous. What are tubular adenomas, tubulovillous adenomas, and villous adenomas?Īdenomas can have several different growth patterns that can be seen under the microscope by the pathologist. In some cases, a cancer can start in the adenoma. What is an adenoma (adenomatous polyp)?Īn adenoma is a polyp made up of tissue that looks much like the normal lining of your colon, although it is different in several important ways when it is looked at under the microscope. These polyps can be thought of as pre-cancers, which is why it is important to have them removed. Polyps are benign (non-cancerous) growths, but cancer can start in some types of polyps.
Different types of polyps look different under the microscope. What is a polyp in the colon?Ī polyp is a projection (growth) of tissue from the inner lining of the colon into the lumen (hollow center) of the colon. The colon ends at the rectum, where waste is stored until it exits through the anus.
The ascending colon, transverse colon, descending colon, and sigmoid colon are other parts of the colon after the cecum. The cecum is the beginning of the colon, where the small intestine empties into the large intestine. These are all parts of the large intestine.
What if my report mentions the cecum, ascending colon, transverse colon, descending colon, sigmoid colon, or rectum? The questions and answers that follow are meant to help you understand the medical language used in the pathology report you received for your biopsy. The pathologist sends your doctor a report that gives a diagnosis for each sample taken. When your colon was biopsied, the samples taken were studied under the microscope by a specialized doctor with many years of training called a pathologist.
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