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目的：评价Ｘ线诊断十二指肠腺癌的临床价值。材料和方法：对１９例原发性十二指肠腺癌行Ｘ线造影，其中１７例手术切除，２例经纤维内窥镜活检证实。将Ｘ线所见与病理结果对照分析。结果：Ｘ线双对比造影发现病变率１００％，定性诊断率７３７％。原发性十二指肠腺癌依Ｘ线表现分为三种类型，以溃疡型最多见，双对比照片中的多重密度现象是溃疡型癌与其它类型癌鉴别的主要依据。结论：Ｘ线双对比造影是发现十二指肠癌的首选方法，对病变的诊断和鉴别诊断具有重要临床价值。如能与十二指肠镜配合，其正确诊断率可达９４７％。
Objective: To evaluate the clinical value of X-ray in the diagnosis of duodenal adenocarcinoma. Materials and Methods: X-rays were performed on 19 cases of primary duodenal adenocarcinoma, of which 17 cases underwent surgical resection and 2 cases were confirmed by fiber endoscopic biopsy. Compare X-ray findings with pathological findings. Results: The X-ray double-contrast angiography found that the lesion rate was 100%, and the qualitative diagnosis rate was 73.7%. Primary duodenal adenocarcinomas are divided into three types according to X-ray findings, with ulcers being the most common. Multiple density in double-contrast photographs is the main basis for distinguishing ulcerated carcinoma from other types of cancer. Conclusion: X-ray double-contrast angiography is the first choice for the detection of duodenal cancer. It has important clinical value in the diagnosis and differential diagnosis of the disease. If it can cooperate with duodenoscopy, the correct diagnosis rate can reach 94.7%.