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直肠上静脉和肠系膜下静脉直径与直肠癌淋巴结转移的相关性
Authors
冯仕庭
宋晨宇
+5 more
彭振鹏
李子平
李新文
蔡华崧
贾应梅
Publication date
1 January 2017
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】为了分析直肠上静脉及肠系膜下静脉的直径与直肠癌淋巴转移的相关性,在CT上测量直肠上静脉及 肠系膜下静脉的直径,探讨利用直肠上静脉预测直肠癌淋巴结转移的可行性。【方法】回顾性分析105例直肠癌患者的CT 及病理资料,在 CT 上测量直肠上静脉和肠系膜下静脉直径,比较两条静脉的直径在不同病理状态下(是否存在微血管 癌栓、印戒细胞、淋巴结转移以及远处转移)的差异,采用ROC 曲线分析利用直肠上静脉直径预测直肠癌淋巴结转移的 准确性。【结果】直肠上静脉及肠系膜下静脉的直径在淋巴结转移组(分别为4.34 mm、5.00 mm)与无淋巴结转移组(分别为 3.56 mm、4.81 mm)间的差异有统计学意义(P < 0.001,P = 0.023)。直肠上静脉在是否存在微血管癌栓、印戒细胞间的差异 有统计学意义(P = 0.019,0.044),而肠系膜下静脉在是否存在微血管癌栓、印戒细胞间的差异无统计学意义(P值分别为 0.605,0.663)。直肠上静脉与肠系膜下静脉的直径在是否伴远处转移间的差异均无统计学意义(P > 0.05)。以直肠上静脉 直径3.75 mm、肠系膜下静脉直径4.65 mm为分界值,预测淋巴结转移的灵敏度分别为90.9%、87.3%,特异度分别为82.0%、 38%。【结论】利用CT测量直肠上静脉的直径预测直肠癌的淋巴结转移是完全可行的,具有很高的敏感度、准确性和较高的 特异度
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Last time updated on 15/10/2024