直肠癌腔内超声分期的诊断价值及其与TNM分期关系  

Transrectal ultrasonography in preoperative staging of rectal carcinoma: diagnostic value and relationship with TNM staging

作　　者：史国红[1] 王学梅[1] 于英蛟[2] 李银燕[1] 董鲜普[1] 

机构地区：[1]中国医科大学附属第一医院超声诊断科,辽宁省沈阳市110001 [2]大庆油田总院超声科,黑龙江省大庆市163001

出　　处：《世界华人消化杂志》2009年第33期3465-3468,共4页World Chinese Journal of Digestology

摘　　要：目的:探讨经直肠腔内超声(TRUS)对直肠癌术前分期的诊断价值及其与TNM分期的关系.方法:对65例经病理证实为直肠癌的患者术前进行TRUS检查,记录癌肿浸润周径,同时采用TNM分期标准进行分期,并与术后TNM分期进行对照.结果:65例直肠癌术前TRUS检查总的诊断准确率为86.15%,T1-T4期TRUS诊断准确性分别为93.85%、87.69%、90.77%及100%,直肠癌癌肿浸润周径与TNM分期间呈正相关(r=0.89,P<0.01),结合直肠癌癌肿浸润周径程度可以使直肠癌术前分期总的诊断准确率明显提高(95.38%).结论:TRUS检查对于直肠癌术前分期有较高的诊断准确性,有助于制定合理的治疗方案,结合直肠癌组织浸润周径可提高术前分期诊断准确性.AIM： To investigate the diagnostic value of transrectal ultrasonography （TRUS） in preoperative staging of rectal carcinoma and the relationship between TRUS and TNM staging. METHODS： Sixty-five patients with pathologically confirmed rectal carcinoma were detected by TRUS before surgery. The circumference of the bowel wall involved by tumor was recorded. The preoperative transrectal ultrasonographic staging of rectal carcinoma was performed using the TNM staging system. The preoperative stag- ing results were then compared with those of postoperative pathologic staging. RESULTS： The overall accuracy rate of preoperative staging of rectal carcinoma by TRUS was 86.15%. The diagnostic accuracy in T1-T4-stage patients by TRUS was 93.85%, 87.69%, 90.77% and 100%, respectively. The circumference of the bowel wall involved by tumor was positively correlated with pathological tumor stage （r = 0.89, P 〈 0.01）. The overall accuracy rate of pre- operative staging of rectal carcinoma by TRUS in combination with the circumference of the bowel wall involved by tumor was 95.38%. CONCLUSION： TRUS has a high diagnostic accuracy in preoperative staging of rectal carcinoma. TRUS in combination with the circumference of the bowel wall involved by tumor can improve the diagnostic accuracy of preoperative staging of rectal carcinoma.

关 键 词：直肠肿瘤 肿瘤分期 腔内超声检查 

分 类 号：R735.37[医药卫生—肿瘤]