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作者对49例直肠腺癌给予手术与放射的综合治疗.26例只术前放疗,23例术前后放疗(“三明治放疗)。术前放疗除1例1380cGy以外,余均给1500cGy;术后放疗20例按计划给予4140cGy,2例为3960cGy,1例在完成“三明治”放疗后,还用放射性同位素组织间照射。术前放疗使用前后两个平行相对照射野;术后放疗多用4野(前后及两侧野)。放疗用10～18MV光子,体厚<20cm者用(?)治疗。经腹会阴切除者,照射野包括会阴切口的大部分,切口最低剂量为20Gy;低位前切除者下界一般在闭孔下缘。每天治疗一个侧野加一个前或后野。治疗具体方案是先术前放疗,300cGy×(?)放疗后1～3天内行根治性手术。术后(?)天左右开始术后放疔。术后病理证实为A、B(?)、(?),不进行术后放疗;若病理为B_2、C期者(?)
The author gave 49 cases of rectal adenocarcinoma combined surgery and radiation treatment. 26 cases only preoperative radiotherapy, 23 cases of preoperative and postoperative radiotherapy (“sandwich radiotherapy”. Preoperative radiotherapy in addition to 1 case of 1380cGy, the rest are given 1500cGy; postoperative 20 cases of radiotherapy were given 4140cGy as planned, 2 cases were 3960cGy, and 1 case was also irradiated with radioisotopes after the completion of “sandwich” radiotherapy. Preoperative and postoperative radiotherapy used two parallel relative radiation fields; postoperative radiotherapy used 4 fields ( Before and after and on both sides of the field. Radiotherapy with 10 ~ 18MV photon, body thickness <20cm are treated with (?). Abdominal perineal resection, the irradiation field includes most of the perineal incision, the minimum dose of the incision is 20Gy; low front resection The lower bound is generally at the lower edge of the obturator, and one lateral field plus one pre- or post-treatment field is treated daily. The specific treatment plan is preoperative radiotherapy, and 300 gGy×(?) radical surgery is performed within 1 to 3 days after radiotherapy. Days after the beginning of postoperative debridement.Postoperative pathology confirmed A, B (?), (?), not postoperative radiotherapy; if the pathological B2, C phase (?)