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食管造影以外的影像诊断方法在日本国立癌症中心有食管断层、上纵隔CT、腹部超声扫描和食管淋巴结闪烁扫描.它们的总目的就是要描绘出食管之外的癌病灶.现就以下各种影像的诊断目的和临床意义叙述如下:1.食管断层:(1)目的:了解食管癌向壁外浸润的范围.(2)意义:确定有无术前放疗的必要以及病灶切除的难易程度.(3)方法:立位口服2-3口钡剂,依病灶位置透视决定断层层面,并在体表标记.在食管尚残留钡剂情况下进行仰卧正位、侧位和斜位直线40°断层,层面间隔0.5厘米,共6-7张.(4)结果:共检查40例.18例造影未能明确癌肿侵犯食管壁方位者,经断层予以确定,并经手术证实.因在术前能够估计出癌肿浸润范围,故加快了手
Imaging diagnostic methods other than esophageal angiography include an esophageal fault, an upper mediastinum CT, an abdominal ultrasound scan, and an esophageal lymph node scintigraphy at the National Cancer Center of Japan. Their overall purpose is to depict cancerous lesions outside the esophagus. The purpose of the diagnosis and clinical significance are described as follows: 1. Esophageal fault: (1) Objective: To understand the extent of esophageal cancer infiltration outside the wall. (2) Significance: To determine whether the need for preoperative radiotherapy and ease of resection of the lesion. (3) Method: Oral 2-3 oral tinctures are used to determine the level of the fault according to the location of lesions, and marked on the body surface. In the case of esophageal residual tincture, supine, lateral and oblique lines are straight 40°. Faults, intervals of 0.5 cm, a total of 6-7. (4) Results: A total of 40 cases were examined. 18 cases of angiography failed to clear the cancer invasion of the esophageal wall, confirmed by the fault, and confirmed by surgery. The range of invasive cancer can be estimated before surgery, so the hand is accelerated