How fast can colon polyps grow?

Relatively . Slowly. Usually from a single cell to a polyps the size of a pencil eraser takes 2-3 years, but there can be a wide degree of variability in both benign and malignant polyps.
Usually slowly. Polyps generally grow slowly, taking years to get big enough to be visible. However, there do seem to be some that are faster growing and more aggressive. I have certainly seen them show up in less than a year after a previous colonoscopy.

Related Questions

How fast fo colon polyps grow back?

Not very. If completely removed, they should not come back at the same site. Polyps are slow growing - unless you have an inherited colon cancer syndrome. That is why is most cases we recommend coming back in 5 years for most people with colon polyps. Read more...

Colon polyps. How long does it take for them to grow and what is the treatment?

Polyp growth is. Variable but to go from a single cell to a polyp the size of an eraser can take 2-3 years. The treatment is removal of all polyps to rule out malignancy or pre-malignancy during a colonoscopy. Read more...

What are colon polyps?

Abnormal gowths . Neoplasia is a general term to describe abnormal growth pattern, cancer-like, unregulated by normal bodily control systems. Some colon polyps are destined to become cancerous, some are not, so all polyps are usually removed when they are found so we can distinguish the difference under the microscope, not by appearance which can fool you. Read more...