Endoscopists greatly overestimate the true size of the colorectal polyps they resect, according to a large study that found an almost two-fold difference in their estimates versus the size of neoplasia as measured in the resected specimen.
The prospective study compared the mean polyp size estimate made by the endoscopist to the actual neoplasia size within a polyp as measured in the specimens of 2,587 polyps from 1,304 patients. According to the investigators, who presented their work at the