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食管、贲门癌软组织块影是食管、贲门癌患者上消化道钡餐检查重要的Ｘ线征象之一。但实际工作中，钡餐Ｘ线摄片很难提供确切的诊断依据。针对临床上大都是晚期病例，手术切除率颇低的现状。作者有目的地对４５例食管、贲门癌的钡餐检查资料，结合手术探查所见，通过ＮＡＩ２００医用计算机系统对钡餐Ｘ线图片进行处理后，发现该医用图象系统能明显地优化图片质量、能清楚地显示肿瘤外浸所形成的软组织块影，对肿瘤的范围、大小以及与外周的关系提供较为明确的印象，故对进一步提高诊断水平，为手术治疗决策提供依据。
Esophageal and cardiac cancer soft tissue shadow is one of the important X-ray signs of barium meal examination in esophageal and cardiac cancer patients. However, practical work, barium meal X-ray film is difficult to provide the exact diagnosis basis. For the most clinically advanced cases, the surgical resection rate is quite low. The author purposely investigated the barium meal examination data of 45 cases of esophageal and cardiac cancers, combined with surgical exploration findings, and processed the barium meal X-ray pictures through the NAI200 medical computer system, and found that the medical image system could significantly optimize picture quality and energy. It clearly shows that the soft tissue block formed by tumor external dipping provides a relatively clear impression on the scope, size, and relationship with the periphery of the tumor. Therefore, it can further improve the diagnostic level and provide a basis for surgical treatment decision-making.