0.05);高b值時(shí),肝臟良、惡性腫瘤的ADC值間比較,差異有統(tǒng)計(jì)學(xué)意義(P[關(guān)鍵詞] 核磁"/>

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        腫瘤標(biāo)志物聯(lián)合多b值DWIMR多期動(dòng)態(tài)增強(qiáng)成像對(duì)肝臟腫瘤的診斷價(jià)值

        2020-12-14 04:20:24蔡彩云劉建成陳文錦
        中國(guó)現(xiàn)代醫(yī)生 2020年29期
        關(guān)鍵詞:核磁共振成像腫瘤標(biāo)志物

        蔡彩云 劉建成 陳文錦

        [摘要] 目的 探討腫瘤標(biāo)志物聯(lián)合多b值彌散加權(quán)成像(DWI)MR多期動(dòng)態(tài)增強(qiáng)成像對(duì)肝臟腫瘤的定性診斷價(jià)值。 方法 選取2018年1月~2020年1月在我院確診的肝臟腫瘤患者為研究對(duì)象,根據(jù)腫瘤性質(zhì)分為良性腫瘤組和惡性腫瘤組,均常規(guī)行多b值DWI MR多期動(dòng)態(tài)增強(qiáng)成像掃描,結(jié)合血清腫瘤標(biāo)志物水平進(jìn)行綜合分析。結(jié)果 低b值時(shí),肝臟良、惡性腫瘤的ADC值間比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);高b值時(shí),肝臟良、惡性腫瘤的ADC值間比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。腫瘤標(biāo)志物聯(lián)合多b值DWI MR多期動(dòng)態(tài)增強(qiáng)成像對(duì)惡性肝臟腫瘤的陽(yáng)性診斷率為96.7%,而僅單獨(dú)采用MRI的診斷陽(yáng)性率為80.0%,差異有統(tǒng)計(jì)意義(P<0.05)。ROC曲線分析進(jìn)一步證實(shí)MRI聯(lián)合腫瘤標(biāo)志物對(duì)惡性腫瘤診斷價(jià)值較高(ROC曲線下面積為0.930,P=0.021)。 結(jié)論 腫瘤標(biāo)志物聯(lián)合多b值DWI MRI多期動(dòng)態(tài)增強(qiáng)掃描有利于提高肝臟惡性腫瘤的診斷陽(yáng)性率,可以作為肝臟惡性腫瘤診斷的有效工具。

        [關(guān)鍵詞] 核磁共振成像;彌散加權(quán)成像;腫瘤標(biāo)志物;肝臟腫瘤

        [中圖分類(lèi)號(hào)] R445.2? ? ? ? ? [文獻(xiàn)標(biāo)識(shí)碼] B? ? ? ? ? [文章編號(hào)] 1673-9701(2020)29-0125-04

        [Abstract] Objective To explore the value of tumor markers combined with multi-b value diffusion weighted imaging (DWI) MR multi-phase dynamic enhanced imaging in the qualitative diagnosis of liver tumors. Methods The patients with liver tumor who were diagnosed in our hospital from January 2018 to January 2020 were selected as the study subjects. According to the nature of the tumor, the patients were divided into a benign tumor group and a malignant tumor group. MRI multi-b value DWI multi-phase dynamic enhancement scans were performed routinely. A comprehensive analysis was carried out on the basis of the serum tumor marker levels. Results When the b value was low, there was no statistically significant difference between the ADC values of benign and malignant tumors of the liver (P>0.05); when the value of b was high, the difference between ADC values of benign and malignant tumors of the liver was statistically significant (P<0.05). The positive rate of tumor markers combined with MRI multi-b value DWI multi-phase dynamic enhancement scan for malignant liver tumors was 96.7%. The positive rate of MRI diagnosis alone was 80.0%, and the difference was statistically significant(P<0.05). ROC curve analysis also further confirmed that MRI combined with tumor markers was of great value in the diagnosis of malignant tumors(the area under the ROC curve was 0.930, P=0.021). Conclusion The combination of tumor markers and multi-b value DWI MRI multi-phase dynamic enhancement scan is conducive to improving the positive diagnosis rate of liver malignant tumors, and can be used as an effective tool for the diagnosis of liver malignant tumors.

        [Key words] Magnetic resonance imaging; Diffusion weighted imaging (DWI); Tumor markers; Liver tumor

        肝臟惡性腫瘤位居世界惡性腫瘤死亡率的第三位,我國(guó)每年約有50萬(wàn)人確診[1]。早期診斷和治療對(duì)肝臟腫瘤的預(yù)后意義重大。資料顯示,42.0%的肝臟腫瘤早期局限于單一肝段。局灶性肝臟腫瘤患者五年生存率接近30.0%[2-3]。因此,有效區(qū)分惡性與良性肝臟結(jié)節(jié)對(duì)患者的治療規(guī)劃和預(yù)后具有十分重要的意義。

        ADC值受b值和感興趣區(qū)域選擇的影響,且對(duì)直徑<2 cm結(jié)節(jié)的診斷存在假陽(yáng)性可能[12],因此本研究嘗試結(jié)合其他檢查以提高肝臟惡性腫瘤的診斷陽(yáng)性率。近年來(lái)眾多文獻(xiàn)報(bào)道了多種肝癌有關(guān)的血清標(biāo)志物,包括AFP、CA19-9、高爾基體蛋白73(GP73)、甲胎蛋白異質(zhì)體、肝細(xì)胞生長(zhǎng)因子(HGF)、血管內(nèi)皮生長(zhǎng)因子(VEGF)、異常凝血酶原(DCP)等。而其中診斷特異性和靈敏度最高的是AFP和CA19-9[7,13]。AFP主要針對(duì)肝細(xì)胞肝癌,每隔半年檢測(cè)1次,其對(duì)肝癌篩查及預(yù)后判斷均具有較大的臨床價(jià)值。然而有研究顯示,部分肝癌患者(如膽管細(xì)胞癌等)的AFP并不升高,建議采用影像學(xué)聯(lián)合血清AFP檢查的方法,可以降低肝癌漏診率[14]。CA19-9作為一種非特異性腫瘤相關(guān)抗原,在健康人群體內(nèi)處于低水平,而在消化道惡性腫瘤患者中存在異常增高現(xiàn)象。CA19-9檢測(cè)有利于發(fā)現(xiàn)AFP陰性的肝癌患者,提高肝癌診斷陽(yáng)性率[15]。本研究結(jié)果顯示,惡性腫瘤組血AFP、CA19-9濃度分別為(65.90±8.65)μg/L、(50.40±7.29)U/mL,顯著高于良性腫瘤組的(19.10±3.85)μg/L、(26.03±6.02)U/mL,兩組比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),因此本研究同時(shí)選用AFP和CA19-9兩個(gè)腫瘤標(biāo)志物。通過(guò)比較分析單獨(dú)MRI檢測(cè)和MRI聯(lián)合AFP/CA19-9檢測(cè)對(duì)肝臟惡性腫瘤的診斷陽(yáng)性率,結(jié)果顯示多b值DWI MR多期動(dòng)態(tài)增強(qiáng)成像與腫瘤標(biāo)志物聯(lián)合檢測(cè)對(duì)惡性腫瘤的陽(yáng)性診斷率為96.7%,而僅依靠MRI的陽(yáng)性診斷率為80.0%,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。ROC曲線分析也進(jìn)一步證實(shí),MRI聯(lián)合腫瘤標(biāo)志物對(duì)惡性腫瘤的診斷價(jià)值較單獨(dú)MRI檢測(cè)更高(ROC曲線下面積為0.930,P=0.021)。

        綜上所述,腫瘤標(biāo)志物聯(lián)合多b值DWI MRI多期動(dòng)態(tài)增強(qiáng)掃描有利于提高肝臟惡性腫瘤的診斷陽(yáng)性率,對(duì)臨床鑒別肝臟良、惡性腫瘤具有一定的實(shí)際價(jià)值。

        [參考文獻(xiàn)]

        [1] An L,Zeng HM,Zheng RS,et al.Liver cancer epidemiology in China,2015[J].Zhonghua Zhongliu Zazhi,2019,41(10):721-727.

        [2] Ji M,Liu Z,Chang ET,et al.Mass screening for liver cancer:Results from a demonstration screening project in Zhongshan City,China[J].Sci Rep,2018,8(1):12 787-12 795.

        [3] Qu CF,Chen TY,Wang YT,et al.Primary prevention model of liver cancer in rural China[J].Zhonghua Zhongliu Zazhi,2018,40(7):481-489.

        [4] Li J,Yang Y.Clinical study of diffusion-weighted imaging in the diagnosis of liver focal lesion[J].J Med Syst,2019,43(3):43-48.

        [5] Mürtz P,Sprinkart AM,ReickM,et al.Accurate IVIM model-based liver lesion characterisation can be achieved with only three b-value DWI[J].Eur Radiol,2018,28(10):4418-4428.

        [6] Wu LF,Rao SX,Xu PJ.Pre-TACE kurtosis of ADC(total) derived from histogram analysis for diffusion-weighted imaging is the best independent predictor of prognosis in hepatocellular carcinoma[J].Eur Radiol,2019,29(1):213-223.

        [7] Ma B,Liu X,Yu Z.The effect of high intensity focused ultrasound on the treatment of liver cancer and patients' immunity[J].Cancer Biomark,2019,24(1):85-90.

        [8] Li S,Shi S,Li A,et al.Diffusion-weighted magnetic resonance imaging in assessment of primary liver cancer after HIFU treatment[J].J Coll Physicians Surg Pak,2019,29(4):305-308.

        [9] Stein D,Goldberg N,Domachevsky L,et al.Quantitative biomarkers for liver metastases:Comparison of MRI diffusion-weighted imaging heterogeneity index and fluorine-18-fluoro-deoxyglucose standardised uptake value in hybrid PET/MR[J].Clin Radiol,2018,73(9):832.e17-832.e22.

        [10] 王殿峰,張鳳翔,盧東霞,等.多b值DWI對(duì)肝臟占位性病變的診斷價(jià)值[J].中國(guó)中西醫(yī)結(jié)合影像學(xué)雜志,2017,15(3):315-317.

        [11] 劉巖.多b值DWI聯(lián)合MRI動(dòng)態(tài)增強(qiáng)掃描對(duì)診斷肝細(xì)胞癌的價(jià)值探討[J].中國(guó)現(xiàn)代醫(yī)生雜志,2018,56(24):119-122.

        [12] 于洪遠(yuǎn),劉淑明,李兵.AFP、AFU、TSGF聯(lián)合檢測(cè)在早期肝癌中的診斷效能[J].癌癥進(jìn)展,2019,15(2):10-14.

        [13] 梁美妹,林秋艷,柯振符.腫瘤特異性生長(zhǎng)因子與AFP、CEA聯(lián)合檢測(cè)在原發(fā)性肝癌早期診斷的意義[J].現(xiàn)代診斷與治療,2018,12(22):3652-3654.

        [14] 楊紹蕊.血清腫瘤標(biāo)志物聯(lián)合血常規(guī)指標(biāo)檢測(cè)在原發(fā)性肝癌診斷中的應(yīng)用效果分析[J].世界復(fù)合醫(yī)學(xué),2019, 5(8):145-147.

        [15] Kudo M,Ikeda M,Ueshima K.Response evaluation criteria in cancer of the liver version 5(RECICL 2019 revised version)[J].Hepatol Res,2019,49(9):981-989.

        (收稿日期:2020-04-14)

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