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华西医学  2011 

肝脏血管平滑肌脂肪瘤的多层螺旋CT表现特征及其病理学基础

, PP. 1680-1683

Keywords: 肝脏血管平滑肌脂肪瘤,体层摄影术,X线计算机,病理

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Abstract:

【】 目的 探讨肝脏血管平滑肌脂肪瘤(hepaticangiomyolipoma,HAML)的多层螺旋CT影像学表现特征及其与病理学基础的相关性,以进一步提高CT诊断的准确性。 方法 收集2008年11月-2010年12月经手术病理证实的16例HAML患者。所有患者均行螺旋CT平扫及动脉期、门脉期增强检查,重点观察HAML的分型及其相应CT表现及影像-病理的相关性。 结果 16例患者共20个病灶,19个为稍低密度病灶,其中11个病灶内可见明显的脂肪密度影;1个为稍高密度病灶。动脉期所有病灶均有不同程度的强化表现,15个病灶内可见到较明显条状及扭曲的血管影。门脉期15个病灶有持续强化。 结论 多层螺旋CT能准确反映HAML的分型及其病理特征,对临床表现不典型患者的诊断和鉴别诊断有较大诊断价值。【Abstract】 Objective TodiscussthecorrelationbetweenthefeaturesofmultislicespiralCTresultsforhepaticangiomyolipoma(HAML)andtheirpathologicalbasis,andtofurtherimprovethediagnosticaccuracythroughCTexamination. Methods SixteenHAMLpatientsdiagnosedpathologicallybetweenNovember2008andDecember2010inourhospitalwereenrolledinourstudy.Allpatientsunderwentmulti-slicespiralCTscanningofpre-andpost-contrastarterialphase,andportalvenousphase.FocuswasputonobservationofHAMLtypesandtheircorrespondingmanifestations,andthecorrelationbetweenCTimagingandthepathologicbasis. Results Therewere20lesionsinthe16patients.Amongthe19hypodenselesions,11wereclearlyseenwithfatdensityshadow.Oneoutofthe20lesionsshowedasslightlyhyperdense.Onthearterialphasescanning,alllesionsshowedenhancement,andobviousvascularshadowcouldbeseenin15lesions.Ontheportalvenousphase,15lesionscontinuedtostrengthen. Conclusions Multi-slicespiralCTcanaccuratelyreflecttheclassificationofHAMLanditspathologicalfeatures.Ithasagreatvalueinthediagnosisanddifferentialdiagnosisofpatientswithouttypicalclinicalmanifestations.

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