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《美国医学会杂志》第246卷第1期(1981年)报道:对恶性息肉分布的一项研究表明,结肠左侧的息肉癌变的可能性较大。休斯敦的贝勒大学医学院外科临床副教授阿佩尔(Michael F Appel)在1973年至1980年之间研究了697名病人切除的1,226块息肉以后,得出了此结论。他在纽约的美国胃肠道内窥镜学会的图片宣传会上报告了他的研究结果。他说:“息肉的部位与一般报告的分布情况大致上是符合的,即52％在乙状结肠,20％在降结肠,16％在横结肠,13％在升结肠和盲肠。但具有新生物的息肉,其分布是不同的,
The Journal of the American Medical Association, Vol. 246, No. 1, (1981) reports that a study of the distribution of malignant polyps shows that polyps on the left side of the colon are more likely to become cancerous. Michael F Appel, an assistant clinical professor of surgery at Baylor University School of Medicine in Houston, studied the 1,226 polyps removed by 697 patients between 1973 and 1980 and came to this conclusion. He reported his findings at the photo publicity meeting of the American Society of Gastrointestinal Endoscopy in New York. He said: "The location of polyps is generally consistent with the general report distribution, that is, 52% in the sigmoid colon, 20% in the descending colon, 16% in the transverse colon, and 13% in the ascending colon and cecum. But polyps with new organisms The distribution is different.