目的 比较超微血管成像(SMI)和彩色多普勒血流成像(CDFI)检测乳腺肿瘤微血管的差异,探讨微血管形态特征在乳腺肿瘤良恶性鉴别诊断中的价值.方法 选取在我院乳腺外科行手术治疗的105例患者(105个乳腺肿瘤) ,均于术前行SM I及CDFI检测,观察乳腺肿瘤微血管的形态学特征,与病理结果对比分析其诊断肿瘤良恶性的价值.结果 SM I及CDFI模式下乳腺良恶性肿瘤的微血管形态分型差异具有统计学意义( P ＝0 .021 , 0 .042) .以无血管型、线型及树枝型为诊断良性肿瘤的依据,残根型及蟹足型为诊断恶性肿瘤的依据, SM I及CDFI诊断乳腺肿瘤的敏感性、特异性及准确性分别为 85 .36%、 93 .75%、 90 .47% 及 63 .41%、 90 .47%、 81 .90%.两者 ROC 曲线下面积分别为0 .896 、 0 .786 . Z检验结果显示两种方法的诊断效能差异有统计学意义( Z ＝2 .265 ,P ＝0 .037) .结论SM I比CDFI能更有效地检出乳腺肿瘤内的低速微小血管,其形态学分型在诊断肿瘤良恶性方面具有一定的临床意义.%Objective To compare the differences of superb microvascular imaging ( SMI) and color Doppler flow imaging ( CDFI) in the diagnosis of breast tumor microvessels and explore the value of microvascular morphological features in the detection of benign and malignant tumors . Methods SM I and CDFI were performed in 105 patients ( 105 breast tumors) in the breast surgery in our hospital . The morphological characteristics of the microvessels of the breast tumor were observed . Their values in the diagnosis of the benign and malignant of the tumor were compared with the pathological results . Results There were statistically differences in differentiation of microvascular morphologic types of benign and malignant breast tumors between SMI and CDFI ( P ＝ 0 .021 ,0 .042) . The type of diagnosing benign tumors was no blood vessel ,linear and treelike . The type of diagnosing malignant tumors was root hair-like and crab claw-like . The susceptibility ,specificity and accuracy of SMI and CDFI in diagnosing breast tumors were 85 .36% ,93 .75% ,90 .47% and 63 .41% ,90 .47% ,81 .90% . The area of the two ROC curves were 0 .896 and 0 .786 . The results of the Z test show that the diagnostic efficacies of the two methods were statistically significant( Z ＝2 .265 , P ＝0 .037) .Conclusions SMI is more effective than CDFI in detecting low velocity microvessels in breast tumors . Its morphological typing is of clinical significance in the diagnosis of benign and malignant tumors .
展开▼
