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作者从美国放射治疗人员登记表中随机选120名医师治疗过的565例病人,进行调查表式调查。表中第一部分为病人治疗前状况和全身情况估价,第二部分为根据PCS规定的中心旁左右点及右侧点、左侧点照射剂量。中心旁左、右点分别定义为:在骨盆前后位上,画一平行于盆腔横径的水平线,与病人右侧阴道穹窿粘膜最高点相切,使之与宫颈腔中心线相交,从中心线与水平线相交点向上移动2cm,再向左、右各移动2cm即为中心旁左、右点。右侧点、左侧点(盆壁左、右点)定义为盆腔最大
The author randomly selected 120 physicians treated 565 patients from the list of American radiologists and conducted a questionnaire survey. The first part of the table for the patient before treatment and general condition assessment, the second part of the PCS according to the provisions of the center next to the right and left points and the right point, the left point dose. Center next to the left and right points were defined as: the pelvis anteroposterior position, draw a horizontal line parallel to the pelvic horizontal line, and the patient’s right vaginal vault mucosa the highest point tangent to the center line of cervical cavity intersect, from the center line And the horizontal line intersection point up 2cm, then left and right to move 2cm is the center next to the left and right points. The right point, the left point (left and right pelvic wall) is defined as the largest pelvic