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1、萬(wàn)方數(shù)據(jù)良惡性腮腺腫瘤的CT表現(xiàn)及鑒別診斷彭可雨,阮兵,梁漢歡(廣東省高州市人民醫(yī)院放射科CT室,廣東高州525200)·461.【摘要】目的:探討腮腺良、惡性腫瘤的CT表現(xiàn)及鑒別診斷要點(diǎn),以提高診斷準(zhǔn)確率。方法:收集整理我院2011年6月1日--2014年7月31日的77例診斷腮腺腫瘤并經(jīng)病理證實(shí)患者的CT影像資料,其中良性腫瘤45例,惡性腫瘤25例,非腫瘤7例。分析其CT影像表現(xiàn)特征,判定腫物的良惡性并與病理結(jié)果對(duì)照,比較其診斷符合率及鑒別要點(diǎn)。結(jié)果:CT診斷符合率83.1%(64/77),其中良性腫瘤診斷的符合率為84.4%(38/45),惡性腫瘤為88.0%(22/2
2、5)。良、惡性腫瘤在發(fā)生部位、形態(tài)、邊界、侵襲及淋巴結(jié)轉(zhuǎn)移方面上差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論:CT可較準(zhǔn)確診斷腮腺良、惡性腫瘤,其影像學(xué)表現(xiàn)具有各自特點(diǎn).如腫塊發(fā)生于深部、形態(tài)不規(guī)則、邊界不清晰,伴隨淋巴結(jié)轉(zhuǎn)移,常提示為腮腺惡性腫瘤可能性大。【關(guān)鍵詞】腮腺腫瘤;體層攝影術(shù),X線計(jì)算機(jī)【中圖分類號(hào)】R739.87;R814.42【文獻(xiàn)標(biāo)識(shí)碼】A【文章編號(hào)】1008—1062(2015)07-0461-04CTfeaturesofbenignormalignantparotidglandtumorsanddifferentialdiagnosisPENGKe-yu,R
3、UANBing,LIANGHen—huan(DepartmentofRadiology,thePeople’SHospitdofGaozhou,GaozhouGuangdong525200,China)Abstract:Objeetive:Inordertoimprovethediagnosticaccuracy,benignandmalignantparotidglandwereobservedinCTimages.Methods:TheCTimagesof77patientswithparotidglandtumorsinourhospitalfromJune1st201
4、1toJuly312014werecollected.Forty-fivecaseswerepathologicallyconfirmedofparotidbenigntumor.Twenty—fiveeasesweremalignanttumor,andsevencaseswerenon—tumorous.TheCTcharacteristicswereanalyzedandcomparedwithpathologicfindings.TheCTdiagnosiscorrespondencerateanddifferentialdiagnosisfeatureswerest
5、udied.Rseults:TherateofCTdiagnosisC01Te—spondencewas83.1%(64177),inwhichbenigntumordiagnosiscorrespondencerate84.4%(38/45)andmalignantparotid.glanddiagnosiscorrespondencerate88.0%(22125).Thelocation,shape,borderarea,invasivenessandlymphnodemetastasisimagesofparotidglandbenigntumorweresignif
6、icantlydifferentfromthoseofmalignantparotidgland(P<0.05).Conclusion:AccordingtotheimagecharacteristicsinCT,thebenignormalignantparotidglandcanbeaccuratelydiagnosed.Tumorlocatedindeeplobeorcrossdepth-superficialtwoleavesandwithirregularshape,unclearboundaryandlymphnodemetastasiscanbediag—nos
7、edasmalignanttumor.Keywords:Parotidneoplasms;Tomography,X—raycomputed腮腺腫瘤是頭頸部常見(jiàn)的疾病,腮腺腫瘤的發(fā)病率約為整個(gè)頭頸部腫瘤的4%~5%,臨床上腮腺腫瘤以良性腫瘤居多,但近年來(lái),惡性腫瘤的發(fā)病率也逐年增加。如何準(zhǔn)確地區(qū)分腮腺良、惡性腫瘤有助于治療方案的制定及預(yù)后評(píng)估【l‘31。腮腺腫瘤的病理類型十分復(fù)雜,惡性腮腺腫瘤有關(guān)報(bào)道中以表皮樣癌最多,良性的腮腺腫瘤以混合型腫瘤為最多,其次為腺淋巴瘤【4l?;顧z是其診斷的金標(biāo)準(zhǔn),但由于術(shù)前