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MRI联合结肠镜术前诊断直肠癌价值

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摘要 目的探讨MRI联合结肠镜检查在直肠癌术前诊断中价值。方法回顾性分析经组织活检或手术组织病理证实的直肠癌患者40例MRI影像和结肠镜检查资料,其中25例同时行上腹部MRI检查。结果组织活检病理诊断黏液腺癌12例,管状腺癌20例,乳头状腺癌7例,管状腺瘤恶变1例;MRI表现为直肠壁不规则增厚,肠腔狭窄,可见向腔内突出之偏心性软组织肿块影或不规则环状增厚肿块影,表面欠光整,T1WI呈稍低信号,脂肪抑制T2WI快速恢复快速自旋回波序列和高分辨率MRI-T2WI呈不均质稍高信号,MRI弥散加权成像呈明显高信号;术前MRI分期T1-2期11例,T3期20例,T4期9例。33例行手术治疗者术后组织病理结果与术前组织活检病理结果一致,术后病理分期T1-2期14例,T3期17例,T4期2例。结论 MRI联合结肠镜检查对直肠癌术前治疗方案的拟定和手术方法的选择具有重要价值。
出处 《中华实用诊断与治疗杂志》 2012年第11期1096-1098,共3页 Journal of Chinese Practical Diagnosis and Therapy
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