肛门部常规消毒,左手带手套,食指涂较多之石蜡油,随将食指沿肛门缓慢滑入直肠,深达瘤组织,尤是菜花状物部位,一般食指均在7～8cm左右。右手持活检钳、尖端闭合、紧紧贴着左手食指徐徐进入直达指尖肿物处,将钳尖端分开,钳夹瘤组织后闭合,稍用力钳夹、即可取得病变组织,以满意为止,局部填塞适量干绵球压迫。肛门括约肌松驰距直肠下端10cm以内的病变组织均可取得。我们用此方法在门诊为30余例直肠癌病人活检,均 Anal Department routine disinfection, left hand with gloves, forefinger painted more paraffin oil, with the index finger along the anus slowly slide into the rectum, deep tumor tissue, especially cauliflower parts, general index finger are about 7 ~ 8cm. The right hand holding biopsy forceps, the tip closed, close to the left index finger slowly into the fingertips directly into the Department of the tip of the pliers separately, clamp the tumor tissue closed, a little hardened jaws, you can get the lesion to satisfaction, Local packing dry cotton ball compression. Anal sphincter relaxation within 10cm from the lower end of the rectum lesions can be obtained. We use this method in the clinic for more than 30 cases of rectal cancer patients biopsy, both