本文選題：超聲實(shí)時(shí)組織彈性成像　切入點(diǎn)：腋窩淋巴結(jié)　出處：《蘭州大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：目的：研究超聲實(shí)時(shí)組織彈性成像的ROI A率聯(lián)合彈性評(píng)分鑒別腋窩淋巴結(jié)良惡性的診斷價(jià)值。 方法：從2013年5月至2013年12月,篩選出43位因乳腺疾病并發(fā)腋窩淋巴結(jié)腫大來(lái)我院就診的女性患者,對(duì)她們的腋窩淋巴結(jié)行超聲實(shí)時(shí)組織彈性成像和二維超聲檢查,最終收集共76枚病變淋巴結(jié),分別用ROI A率、8分彈性評(píng)分法以及兩者聯(lián)合診斷法來(lái)鑒別診斷這些淋巴結(jié)的良惡性,以病理結(jié)果為標(biāo)準(zhǔn)或核磁影像診斷結(jié)果為參考,通過(guò)ROC曲線來(lái)比較這些方法的診斷價(jià)值。 結(jié)果：以病理診斷結(jié)果為標(biāo)準(zhǔn)時(shí),ROI A率、彈性評(píng)分和聯(lián)合診斷的ROC曲線下面積分別為67.9%、65.7%和85.4%,ROI A率的敏感性、特異性、準(zhǔn)確性為77.8%、81.8%、79.3%；彈性評(píng)分的敏感性、特異性、準(zhǔn)確性為72.2%、72.7%、72.4%；聯(lián)合診斷的敏感性、特異性、準(zhǔn)確性為88.9%、72.7%、82.7%,聯(lián)合診斷中ROI A率鑒別淋巴結(jié)良惡性的最佳界點(diǎn)為0.20%。以核磁影像診斷結(jié)果為參照時(shí),ROI A率、彈性評(píng)分和聯(lián)合診斷的ROC曲線下面積分別為74.5%、73.9%和76.9%,ROI A率的敏感性、特異性、準(zhǔn)確性為85.1%、76.7%、80.7%；彈性評(píng)分的敏感性、特異性、準(zhǔn)確性為74.1%、73.3%、73.7%；聯(lián)合診斷的敏感性、特異性、準(zhǔn)確性為92.6%、80.0%、86.0%。聯(lián)合診斷中ROI A率鑒別淋巴結(jié)良惡性的最佳界點(diǎn)是0.19%。 結(jié)論：ROI A率與彈性評(píng)分聯(lián)合可以提高診斷準(zhǔn)確性,對(duì)腋窩淋巴結(jié)良惡性的鑒別有較好的診斷價(jià)值,聯(lián)合診斷中ROI A率對(duì)良惡性淋巴結(jié)的最佳診斷界點(diǎn)為0.19%-0.20%。
[Abstract]:Objective: to study the diagnostic value of ROI A rate combined with elastic score in differentiating benign and malignant axillary lymph nodes. Methods: from May 2013 to December 2013, 43 female patients with breast diseases complicated with axillary lymphadenopathy were selected, and their axillary lymph nodes were examined by real-time tissue elastography and two-dimensional ultrasonography. A total of 76 diseased lymph nodes were collected. The benign and malignant lymph nodes were differentiated by ROI A rate, 8 points elastic score and combined diagnosis. The pathological results were taken as the standard or the results of nuclear magnetic resonance imaging (MRI) were used as the reference. The diagnostic value of these methods was compared by ROC curves. Results: according to the pathological diagnosis results, the area under the ROC curve was 67.9% and 85.4%, respectively. The sensitivity, specificity and accuracy were 77.8%, 81.8% and 79.3%, respectively. The accuracy was 72.2 / 72.4.The sensitivity, specificity and accuracy of the combined diagnosis were 88.9 and 72.70.The best threshold of ROI A rate for differentiating benign and malignant lymph nodes was 0.20.The diagnostic results of nuclear magnetic resonance imaging were taken as a reference. The area under the ROC curve of elasticity score and joint diagnosis were 74.539% and 76.9%, respectively. The sensitivity, specificity and accuracy of the ROC rate were 85.1and 76.70.The sensitivity, specificity and accuracy of the elastic score were 74.1and 73.3%, respectively; the sensitivity, specificity, and accuracy of the combined diagnosis were 80.7; the sensitivity, specificity, specificity of the combined diagnosis, The accuracy was 92.6% and 80.0% and 86.0% respectively. The best threshold of ROI A rate for differentiating benign and malignant lymph nodes was 0.19. Conclusion the ratio of ROI A combined with the elastic score can improve the accuracy of diagnosis and has a good diagnostic value in the differential diagnosis of benign and malignant axillary lymph nodes. The best diagnostic threshold of ROI A rate for benign and malignant lymph nodes is 0.19-0.20.
【學(xué)位授予單位】：蘭州大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：R445.1;R733.4

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