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直肠癌目前公认以内镜和钡灌肠为主要诊断方法，ＣＴ只能作为一种补充手段不应该是首选方法。但根据临床需要，我们尝试采用低张力气充盈直肠ＣＴ扫描，病例共７０例中手术证实直肠癌１３例，直肠癌术后未见复发２８例，直肠癌术后复发２６例，环形狭窄１例，局限性增厚２例。?
Rectal cancer is currently recognized as the main endoscopy and barium enema as a diagnostic method, CT should only be used as a means of supplement should not be the preferred method. However, according to the clinical needs, we try to use low-tension filling CT rectal examination, a total of 70 cases confirmed by surgery in 13 cases of rectal cancer, no recurrence in 28 cases of rectal cancer, 26 cases of rectal cancer recurrence, 1 case of annular stenosis , Limitations of thickening in 2 cases. ?