Most polyps are benign, which means they are harmless. But because polyps are caused by abnormal cell growth and, like cancer, grow through rapidly dividing cells, they can become malignant.
You might not know you have a polyp until your health care provider finds it during an exam of your colon. However, some people with colon polyps may have: Change in bowel habits. Constipation or diarrhea that lasts longer than a week may mean the presence of a larger colon polyp or cancer.
"Precancerous polyps are extremely common," he says. "We expect to find them in more than a quarter of the colonoscopies that we do at a minimum. So, you know, maybe a third or even a half of all patients getting [a] colonoscopy will have precancerous polyps."
If the colonoscopy finds one or two small polyps (5 mm in diameter or smaller), you are considered at relatively low risk. Most people will not have to return for a follow-up colonoscopy for at least five years, and possibly longer.
While the majority of colon cancers start as polyps, only 5-10% of all polyps will become cancerous.
Your doctor can't usually tell, simply by looking at a polyp during a colonoscopy, if it's cancerous. But if a polyp is found during your colonoscopy, your doctor will remove it and send it to a lab for a biopsy to check for cancerous or precancerous cells.
Number: The more pre-cancerous polyps someone has, the higher their risk will be. So, someone with 1 or 2 small polyps is at less risk than someone with 3-9.
The doctor will then send any removed polyps to a pathologist for a biopsy to see if cancer is present. If the biopsy reveals that cancer is present, then cancer specialists will outline a treatment plan for the person. Common treatments for colon cancer include surgery, chemotherapy, and radiotherapy.
Experts are not sure what causes colon polyps. It is probably a combination of environmental factors and genetics. However, certain people are at higher risk for getting them, especially if you: Are 45 years of age or older.
The presence of PTSD has a marked impact on colonoscopy rates in Australian veterans. The increased polypectomy rate independent of increased colonoscopy rate suggests that PTSD is a risk factor for colonic polyp formation.
Foods to limit
Research suggests that eating less of the following foods may have health benefits and may lower your chances of developing polyps: fatty foods, such as fried foods. red meat, such as beef and pork. processed meat, such as bacon, sausage, hot dogs, and lunch meats.
However, over time polyps can become large and malignant if they aren't treated. Many polyps are found to be pre-cancerous, which means they have the potential to turn cancerous if they aren't removed. With early detection through an endoscopic test, the risk can be eliminated by your gastroenterologist.
Aging — Polyps and colorectal cancers are uncommon before age 40. Ninety percent of cases occur after age 50, with males somewhat more likely to develop polyps than females; therefore, colon cancer screening is usually recommended starting at age 50 for both sexes.
Research indicates that as many as 60 percent of polyps may grow back within three years. Also, about 30 percent of patients who've had polyps removed develop new ones. This is why it is important to talk to the care team about follow-up screening within five years after the polyps are removed.
A diet high in fruits, vegetables, and unprocessed grains can be especially beneficial for gut health and the prevention of colon polyps. Folic acid and folate: Folic acid and folate can help to prevent the formation of polyps in people who regularly consume at least 400 micrograms per day.
Not all polyps will turn into cancer, and it may take many years for a polyp to become cancerous. Anyone can develop colon and rectal polyps, but people with the following risk factors are more likely to do so: Age 45 years and older.
Surgery to remove polyps
If there's no sign of improvement after about 12 weeks, the GP may suggest surgery to remove your polyps. Most people who have surgery see an improvement, but it's common for polyps to grow back, usually within a few years.
If a polyp is removed completely, it is unusual for it to return in the same place. The same factors that caused it to grow in the first place, however, could cause polyp growth at another location in the colon or rectum. New polyps will develop in at least 30 percent of people who have previously had polyps.
Colon polyps are common in American adults. Anywhere between 15 and 40 percent of adults may have colon polyps. Colon polyps are more common in men and older adults.
If polyps are found and removed during a colonoscopy procedure, the recovery period will be slightly longer. After polyps are removed it can take up to a week for the patient to fully recover. During this time, patients should avoid all strenuous activities, which includes lifting anything over five pounds.
Surveillance refers to the process of evaluating patients with a personal history of polyps or cancer. People who have precancerous polyps completely removed should have a colonoscopy every 3-5 years, depending on the size and number of polyps found.