Question: Is a 10 mm polyp bad?

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What size polyps are dangerous?

If the polyps are larger (10 mm or larger), more numerous, or abnormal in appearance under a microscope, you may have to return in three years or sooner. If the exam finds no polyps, “your cancer risk is essentially the average for the population, and you can wait 10 years for the next screening,” Dr. Saltzman says.

Does the size of a polyp indicate cancer?

The size of the polyp correlates with the development of cancer. Polyps less than 1 centimeter in size have a slightly greater than a 1% chance of becoming cancer, but those 2 centimeters or greater have a 40% chance of transforming into cancer.

What size is considered a large polyp?

Large polyps are 10 millimeters (mm) or larger in diameter (25 mm equals about 1 inch).

How long does it take for a 10 mm polyp to grow?

It takes approximately 10 years for a small polyp to develop into cancer. Family history and genetics — Polyps and colon cancer tend to run in families, suggesting that genetic factors are important in their development.

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Can a doctor tell if polyp is cancerous during colonoscopy?

A colonoscopy is considered positive if the doctor finds any polyps or abnormal tissue in the colon. Most polyps aren’t cancerous, but some can be precancerous. Polyps removed during colonoscopy are sent to a laboratory for analysis to determine whether they are cancerous, precancerous or noncancerous.

What percentage of large polyps are cancerous?

Polyps are common in American adults, and while many colon polyps are harmless, over time, some polyps could develop into colon cancer. While the majority of colon cancers start as polyps, only 5-10% of all polyps will become cancerous.

How serious is a precancerous polyp?

Polyps are not cancerous, but they can be precancerous. This means they will eventually develop into cancer. This process is usually very slow, occurring over 10 to 15 years.

What are the side effects of polyp removal?

After the Procedure

  • Fever or chills.
  • Heavy bleeding (more than a teaspoon at a time)
  • Severe abdominal pain or bloating.
  • Vomiting.
  • Lightheadedness, dizziness, or fainting.

What is a normal size polyp?

Polyps range from the less-than-5-millimeter “diminutive” size to the over-30-millimeter “giant” size. “A diminutive polyp is only about the size of a match head,” he says. “A large polyp can be almost as big as the average person’s thumb.”

Do polyps grow back?

Once a colorectal polyp is completely removed, it rarely comes back. However, at least 30% of patients will develop new polyps after removal. For this reason, your physician will advise follow-up testing to look for new polyps. This is usually done 3 to 5 years after polyp removal.

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How long does it take for colon to heal after polyp removal?

Recovery from a polypectomy usually takes about 2 weeks. Patients may feel pain following the procedure, particularly immediately after the procedure. Taking the pain medication the doctor prescribes can help.