本文選題：直腸腫瘤 + 腺癌��； 參考：《磁共振成像》2017年03期

【摘要】：目的探討常規(guī)MRI與彌散加權(quán)成像(DWI)測量的腫瘤容積對直腸癌TN分期的診斷價(jià)值。材料與方法對經(jīng)腸鏡確診的74例直腸癌患者行盆腔3.0 T MRI檢g７治鯩RI對直腸癌術(shù)前TN分期的準(zhǔn)確性,用檢驗(yàn)評價(jià)MRI術(shù)前TN分期與病理分期的一致性。用單因素方差分析評價(jià)DWI(b=10000 s/mm~2)測量的腫瘤容積與病理TN分期的相關(guān)性。結(jié)果MRI診斷直腸癌T、N分期的準(zhǔn)確率分別為87.8%(66/74)、66.2%(49/74);病理學(xué)和MRI對T分期診斷有較好的一致性(Kappa=0.78,P=0.000)、對N分期診斷一致性較差(Kappa=0.33,F=0.000)。在DWI上測量腫瘤容積≤T2期、T3期、T4期分別為(4145.13±718,00)mm~3、(14939.73±3591.38)mm~3、(22714.76±4251.71)mm~3;N0期、N1期、N2期分別為(14367.15±6425.83)mm~3,(17967.69±5259.88)mm~3、(19464.00±3588.77)DWI測腫瘤容積越大直腸癌T分期越高,差異有統(tǒng)計(jì)學(xué)意義(F=75.189,P=0.000);腫瘤容積與直腸癌不同N分期間差異有統(tǒng)計(jì)學(xué)意義(F=3.545,P=0.034)。結(jié)論MRI評價(jià)直腸癌T分期準(zhǔn)確率較高,對N分期也有一定診斷價(jià)值。MR腫瘤容積測量對直腸癌TN分期有重要參考價(jià)值。
[Abstract]:Objective to evaluate the diagnostic value of tumor volume measured by conventional MRI and diffusion weighted imaging (DWI) in TN staging of rectal cancer. Materials and methods the accuracy of preoperative TN staging in 74 patients with rectal cancer diagnosed by endoscopy with 3. 0 T MRI was evaluated. The consistency between MRI preoperative TN staging and pathological staging was evaluated. Univariate ANOVA was used to evaluate the correlation between tumor volume and pathological TN stage measured by DWI(b=10000 s / mm-2. Results the accuracy of MRI in the diagnosis of Tapa N staging of rectal cancer was 87.8 / 74 / 66.2, respectively, and there was a good agreement between pathology and MRI in the diagnosis of T staging. The diagnostic accuracy of MRI was 0.78 / 0.000 and 0.33 / 0.000 for N staging. 鍦―WI涓婃祴閲忚偪鐦ゅ縐墹T2鏈，

本文編號：1913696