Abstract
目的 探讨综合应用磁共振水成像技术对直肠癌术前诊断和分期的价值.方法 对本院34例临床确诊为直肠癌的患者应用磁共振水成像技术检查,并与术后病理诊断结果进行对比分析.结果 34例直肠癌患者均能显示原发病灶.手术病理诊断T1、T2、T3、T4期肿瘤中,磁共振水成像检查的准确率分别为67%,77%,87%,100%,总准确率为82%.判断淋巴结转移的敏感性、特异性和准确率分别为69%、63%、68%.对邻近组织脏器浸润、远处转移判断的准确率分别为94%、97%.结论 磁共振水成像对直肠癌的诊断和分期有较大价值,可以较准确地判断肿瘤在肠壁的浸润深度及盆腔内淋巴结的转移。
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