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目的：探讨CT 扫描对食管癌淋巴结转移诊断的准确率及CT 扫描对预测淋巴结转移患者预后的价值。方法：选择我院收入的行食管癌根治术患者共146 例，患者均行CT 及腹部彩超，检查者CT 及腹部彩超对食管癌淋巴结转移检测的准确率及漏诊率，检测CT 淋巴结转移数、CT 三分区转移情况及CT 最大病变直径等CT 检测与食管癌淋巴结转移相关因素。结果：CT 淋巴结总检出率显著高于彩超检出率，两组对比差异有统计学意义，P＜0.05。CT 检测中胸上段、胸中段总检出率显著高于彩超检出率，结果对比差异有统计学意义，P＜0.05。所有患者自手术日起计算术后1、3 年生存率分别为73.3%（107/146）、47.9%（70/146），CT 转移数≥2 枚、CT 三分区转移＜2 区、CT 最大病变直径≤3cm 患者术后生存率较高，结果对比差异有统计学意义，P＜0.05。结论： CT 对食管癌淋巴结转移诊断率较高，CT 转移数、CT 三分区转移及CT 最大病变直径检测可用于评估患者术后生存率情况。

英文摘要:

Objective: To investigate diagnosis accuracy rate of CT scan in esophageal carcinoma with lymph node metastasis, and CT scan in predicting lymph node metastases patients prognostic value. Methods: 146 esophageal carcinoma patients with radical resection were selected in our hospital, patients were treated with CT and abdominal doppler ultrasound, CT and abdominal doppler ultrasound examination of lymph node metastasis in esophageal cancer detection accuracy rate and the rate of missed diagnosis, detection of CT lymph node metastases number,the CT three partition metastasis and CT maximum lesion diameter CT detection esophageal carcinoma and lymph node metastasis related factors. Results: CT lymph node detection rate was significantly higher than abdominal ultrasound examination, the difference was statistically significant, P<0.05. CT detection the upper section, middle thoracic detection rate was significantly higher than abdominal ultrasound examination, the difference was statistically significant, P<0.05. All patients survival rates 1, 3year after operation was 73.3% (107 /146), 47.9% (70 /146), CT transfer number>2, CT three partition transfer<2district, CT maximum lesion diameter≤3cm patients postoperative survival rate is high, the results has statistical differences, P<0.05. Conclusion: CT on lymph node metastasis of esophageal carcinoma diagnosis rate is high, the number of transferred CT, CT three partition transfer and CT maximum lesion diameter detection can be used in evaluating esophageal carcinoma patients postoperative survival rate.

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