The assessment of polyp sizes during colonoscopy or by pathology varies widely, according to a new study that may have implications for surveillance frequency.
Investigators in California reported that colonoscopy estimated more polyps as at least 1 cm than did pathology. Because 1 cm is the trigger for shorter surveillance intervals, the findings suggest that some patients may be undergoing repeat endoscopy too often, according to the researchers, who presented their findings at the 2019 annual