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时间:2019-08-05
《腮腺区常见占位性病变的CT鉴别诊断》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据中国临床医学影像杂志2008年第19卷第2期JChinClinMedImaging,2008,V01.19,No.2q论著莎腮腺区常见占位性病变的CT鉴别诊断杨林,陈燕萍,林志春,吴慧莹(南方医科大学附属南方医院影像中心,广东广州510515)·77·【摘要】目的:评估CT对腮腺区占位性病变的诊断及鉴别诊断价值。方法:回顾性分析5l例腮腺区占位性病变,所有病例均行CT平扫及增强扫描,且均有手术病理证实,将CT诊断与病理结果进行对照研究。结果:腮腺区良性占位38例,恶性13例。CT扫描良性病变常表现为形态规则边界清晰的肿块,以多形性腺瘤(18/38)居多,平扫其内部密度较均
2、匀;其次为腺淋巴瘤(10/38),常位于腮腺后下极(9/10)并易囊变液化(2/10);13例腮腺区恶性占位性病变中原发性恶性肿瘤7例,CT常表现为形态不规则,边界不清晰,以粘液表皮样癌居多(5/7)。转移瘤6例,以鼻咽部来源常见(5/6),常可见肿大淋巴结及原发灶。结论:CT扫描对腮腺浅叶病变定位定性较为准确,对于腮腺深叶病变及并发感染病变的定位及定性有一定困难。【关键词】腮腺疾病;腮腺肿瘤;体层摄影术,螺旋计算机;诊断,鉴别【中图分类号】R781.7;R739.87;R814.42【文献标识码】A【文章编号】1008一1062(2008)02-0077埘Differentia
3、ldiagnosisofspaceoccupyinglesionsinparotidglandwithCTYANGLin,CHENYah-ping,LINZhi-chun,WUHui--ying(medicalImagingCenter,NanfangHospital,SouthernMedicalUnivers咄Guangzhou510515,China)Abstract:Objective-"ToevaluatethevalueofCTinthediagnosisanddifferentialdiagnosisofparotid#andspaceOCCU-piedlesion
4、s.Methods:Fi姆-0nepatientswithprovedparotidoccupyinglesionswereanalyzedretrospectively.AUpatientswerescannedwithplainCTandcontrastCT.Results:Therewere38benignmassesand13malignantlesions.Benignlesionsdemonstratedregularshapeandclearmargin.Amongthe38benignlesionspleomorphicadenomas(18/38)aremost
5、common,whichwereoftenfoundinthesuperficiallobe,诵t11homogenousdensity;followedbyadenolymphoma(10/38),whichwereof-tenfoundintheposterior-inferiorpartoftheparotidgland(9/101.Therewere7primarymalignantlesionsamongthe13inn-lignantmasses.whichwereoftenshowedasirregularmasseswithunclearmarsin.Themos
6、tcommonprimarymalignantlesionsweremucoepidermoidcarcinoma(5,7).Metastatictumorsoftencamefromnasopharynx(5/6),whichWaSeasytofindenlargedlymphnodesandprimaryleisons.Conclusions:CTissensitiveindetectinganddiagnosingtheoccupyinglesionsoftheshal·lowlobeofparotidgland,itwasnotgoodenoughtodetectordi
7、agnosetheoccupyinglesionsofthedeeplobeandlesionswithinfection.。Keywords:Parotiddiseases;Parotidneoplasms;Tomography,spiralcomputed;Diagnosis,differential腮腺区占位性病变临床较为常见.如何对病变进行术前定位、定性,指导临床选择最佳治疗方案,影像学检查具有非常重要意义。CT扫描使腮腺区占位性病变的定位、定性的准确性显著提高。笔者回顾
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