昆明医科大学学报
昆明醫科大學學報
곤명의과대학학보
Journal of Kunming Medical University
2014年
1期
87-91
,共5页
艾毅钦%汪勇%邓亚敏%莫因%张静%李秀英
艾毅欽%汪勇%鄧亞敏%莫因%張靜%李秀英
애의흠%왕용%산아민%막인%장정%리수영
CT%MRI%直肠癌%术前分期
CT%MRI%直腸癌%術前分期
CT%MRI%직장암%술전분기
CT%MRI%Rectal cancer%Preoperative staging
目的:探讨CT及MRI成像在直肠癌术前分期诊断中的价值.方法对40例直肠癌患者手术前CT及MRI的T、N分期与手术后病理T、N分期结果相对照.结果 CT T分期总的诊断符合率57.5%(31/40),其中 T1~2为87.5%(35/40), T3为83.25%(33/40), T4为70%(28/40), MRI T分期总的诊断符合率77.5%(31/40),其中T1~2为92.5%(37/40),T3为77.5%(31/40),T4为85%(34/40),经检验,CT与MRI在直肠癌各T分期诊断符合率差异无统计学意义(>0.05).CT对各T分期的敏感度T1~2为77.78%(7/9);T3为75%(12/16);T4为93.33%(14/15),MRI对各T分期的敏感度T1-2为66.67%(6/9),T3为81.25%(13/16), T4为80%(12/15),经检验,CT与MRI在直肠癌各T分期诊断敏感性差异无统计学意义(>0.05);CT对各T分期的特异度T1~2为90.32%(28/31),T3为45.83%(11/24),T4为96%(24/25),MRI对各T分期的特异度T1~2为100%(31/31),T3为75%(18/24),T4为88%(22/25),经检验,CT与MRI在直肠癌T3期诊断特异度差异有统计学意义(<0.05);CT N分期总的诊断符合率82.5%(33/40),其中N-为82.5%(33/40)、N+82.5%(33/40), MRI N分期总的诊断符合率62.5%(25/40),其中N-为62.5%(25/40)、N+62.5%(25/40),经检验,CT与MRI在诊断直肠癌盆腔淋巴结有无转移差异有统计学意义(<0.05);CT对N-敏感度83.33%(20/24)、N+敏感度81.25%(13/16),MRI对N-敏感度75.00%(18/24)、N+敏感度43.75%(7/16),经检验, CT与MRI在诊断淋巴结阳性敏感度方面差异有统计学意义(<0.05);CT对N-特异度81.25%(13/16)、N+特异度83.33%(20/24),MRI对N-特异度43.75%(7/16)、N+特异度75.%(18/24),经检验,CT与MRI在诊断淋巴结阴性特异度方面差异有统计学意义(<0.05).结论 MRI在排除肿瘤是否穿透固有肌层达浆膜层的诊断有较高的可靠性;CT在诊断直肠癌淋巴结转移方面更有优势.
目的:探討CT及MRI成像在直腸癌術前分期診斷中的價值.方法對40例直腸癌患者手術前CT及MRI的T、N分期與手術後病理T、N分期結果相對照.結果 CT T分期總的診斷符閤率57.5%(31/40),其中 T1~2為87.5%(35/40), T3為83.25%(33/40), T4為70%(28/40), MRI T分期總的診斷符閤率77.5%(31/40),其中T1~2為92.5%(37/40),T3為77.5%(31/40),T4為85%(34/40),經檢驗,CT與MRI在直腸癌各T分期診斷符閤率差異無統計學意義(>0.05).CT對各T分期的敏感度T1~2為77.78%(7/9);T3為75%(12/16);T4為93.33%(14/15),MRI對各T分期的敏感度T1-2為66.67%(6/9),T3為81.25%(13/16), T4為80%(12/15),經檢驗,CT與MRI在直腸癌各T分期診斷敏感性差異無統計學意義(>0.05);CT對各T分期的特異度T1~2為90.32%(28/31),T3為45.83%(11/24),T4為96%(24/25),MRI對各T分期的特異度T1~2為100%(31/31),T3為75%(18/24),T4為88%(22/25),經檢驗,CT與MRI在直腸癌T3期診斷特異度差異有統計學意義(<0.05);CT N分期總的診斷符閤率82.5%(33/40),其中N-為82.5%(33/40)、N+82.5%(33/40), MRI N分期總的診斷符閤率62.5%(25/40),其中N-為62.5%(25/40)、N+62.5%(25/40),經檢驗,CT與MRI在診斷直腸癌盆腔淋巴結有無轉移差異有統計學意義(<0.05);CT對N-敏感度83.33%(20/24)、N+敏感度81.25%(13/16),MRI對N-敏感度75.00%(18/24)、N+敏感度43.75%(7/16),經檢驗, CT與MRI在診斷淋巴結暘性敏感度方麵差異有統計學意義(<0.05);CT對N-特異度81.25%(13/16)、N+特異度83.33%(20/24),MRI對N-特異度43.75%(7/16)、N+特異度75.%(18/24),經檢驗,CT與MRI在診斷淋巴結陰性特異度方麵差異有統計學意義(<0.05).結論 MRI在排除腫瘤是否穿透固有肌層達漿膜層的診斷有較高的可靠性;CT在診斷直腸癌淋巴結轉移方麵更有優勢.
목적:탐토CT급MRI성상재직장암술전분기진단중적개치.방법대40례직장암환자수술전CT급MRI적T、N분기여수술후병리T、N분기결과상대조.결과 CT T분기총적진단부합솔57.5%(31/40),기중 T1~2위87.5%(35/40), T3위83.25%(33/40), T4위70%(28/40), MRI T분기총적진단부합솔77.5%(31/40),기중T1~2위92.5%(37/40),T3위77.5%(31/40),T4위85%(34/40),경검험,CT여MRI재직장암각T분기진단부합솔차이무통계학의의(>0.05).CT대각T분기적민감도T1~2위77.78%(7/9);T3위75%(12/16);T4위93.33%(14/15),MRI대각T분기적민감도T1-2위66.67%(6/9),T3위81.25%(13/16), T4위80%(12/15),경검험,CT여MRI재직장암각T분기진단민감성차이무통계학의의(>0.05);CT대각T분기적특이도T1~2위90.32%(28/31),T3위45.83%(11/24),T4위96%(24/25),MRI대각T분기적특이도T1~2위100%(31/31),T3위75%(18/24),T4위88%(22/25),경검험,CT여MRI재직장암T3기진단특이도차이유통계학의의(<0.05);CT N분기총적진단부합솔82.5%(33/40),기중N-위82.5%(33/40)、N+82.5%(33/40), MRI N분기총적진단부합솔62.5%(25/40),기중N-위62.5%(25/40)、N+62.5%(25/40),경검험,CT여MRI재진단직장암분강림파결유무전이차이유통계학의의(<0.05);CT대N-민감도83.33%(20/24)、N+민감도81.25%(13/16),MRI대N-민감도75.00%(18/24)、N+민감도43.75%(7/16),경검험, CT여MRI재진단림파결양성민감도방면차이유통계학의의(<0.05);CT대N-특이도81.25%(13/16)、N+특이도83.33%(20/24),MRI대N-특이도43.75%(7/16)、N+특이도75.%(18/24),경검험,CT여MRI재진단림파결음성특이도방면차이유통계학의의(<0.05).결론 MRI재배제종류시부천투고유기층체장막층적진단유교고적가고성;CT재진단직장암림파결전이방면경유우세.
Objective The purpose of this article was to investigate the diagnostic value of CT and MRI in preoperative local staging for rectal cancer patients. Methods Forty rectal cancer patients were enrolled,and their preoperative CT and MRI staging and pathological staging in T and N were compared. Results The total diagnostic accordance rate of CT staging in T was 57.5%(31/40),among which the accordance rate of T1-2,T3 and T4 was 87.5%(35/40),83.25%(33/40) and 70%(28/40),respectively. The total diagnostic accordance rate of MRI staging in T was 77.5%(31/40), among which the accordance rate of T1-2, T3 and T4 was 92.5%(37/40), 77.5%(31/40) and 85%(34/40),respectively. The differences were tested by Chi-square test,and there were no significant differences between the two groups in T staging. The sensitivity of T staging by CT was 77.78%(7/9) for T1-2, 75% (12/16) for T3 and 93.33% (14/15) for T4. Compared with CT, the sensitivity of MRI was 66.67%(6/9) for T1-2, 81.25%(13/16) for T3 and 80%(12/15) for T4, and there were no significant differences between the two groups. The specificity of T staging by CT was 90.32% (28/31) for T1-2, 45.83%(11/24) for T3 and 96%(24/25) for T4. Compared with CT, the specificity of MRI was 100% (31/31) for T1-2, 75% (18/24) for T3 and 88%(22/25) for T4, and there was a significant difference in T3 specificity ( <0.05) . The total diagnostic accordance rate of CT staging in N was 82.5% (33/40),among which the rate of N- and N+was 82.5%(33/40) and 82.5%(33/40), respectively. The total diagnostic accordance rate of MRI staging in N was 62.5%(25/40),among which the rate of N- and N+was 62.5% (25/40) and 62.5%(25/40), respectively. There were significant differences between the two groups in pelvic N staging ( < 0.05) . The sensitivity of N staging by CT was 75.00%for N- (18/24) and 81.25%(13/16) for N+. Compared with CT,the sensitivity of MRI was 75.00%(18/24) for N- and 43.75%(7/16) for N+,and there were significant differences between the two groups ( <0.05) . The specificity of N staging by CT was 81.25% (13/16) for N- and 83.33%(20/24) for N+. Compared with CT, the specificity of MRI was 43.75% (7/16) for N- and 75.00%(18/24) for N+, and there were significant differences between the two groups ( <0.05) . Conclusion MRI has a high reliability in diagnosing rectal cancer with penetrating through the muscularis propria into the placenta percreta or not, but CT is superior in diagnosing the lymphonodus metastasis.