多年来,人们一直认为通常用于检测肠癌的结肠镜诊断法几乎是完全可靠的:如果你接受结肠镜检查,切除癌前息肉,那么就基本上永远不会患者结肠癌了。然而,几个月前,一个研究小组发出警告,这种诊断法可能无法检测到一种息肉,此类息肉是结肠壁上的平面或小叶状损伤。加拿大科学家在 For many years, colonoscopy was commonly considered as the most commonly used diagnostic test for colon cancer: if you take a colonoscopy and resect precancerous polyps, you will almost never get colon cancer. However, a few months ago, a team warned that the diagnosis might not detect a type of polyp that is a flat or lobular injury to the colon wall. Canadian scientists at