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时间:2019-11-27
《涎腺粘膜相关淋巴瘤临床与病理研究》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、涎腺粘膜相关淋巴瘤临床与病理研究屮华病理学杂志1999年第2期第28卷论箸作者:石群立张泰和严小娟寿柏泉单位:210002南京军区南京总医院病理科关键词:涎腺肿瘤;淋巴瘤;免疫组织化学;显微镜检查:电子【摘要】目的探讨涎腺粘膜相关淋巴瘤的病理诊断特征及发病机理。方法分析临床资料,利用HE染色、□细胞共同抗原、CD20、CD45RO、上皮膜抗原的SP法免疫组化及电镜观察27例涎腺粘膜相关淋巴瘤。结果男性24例,女性3例,平均年龄53.45岁,其中腮腺12例,颌下腺15例。涎腺粘膜相关淋巴瘤是市弥漫性中心细胞样(CCL)细胞组成,并有“淋巴上皮病变”。CCL细胞呈CD20阳性、C
2、D45RO阴性。电镜下瘤细胞圆形,核质比高,胞质内少量溶酶体和免疫球蛋白的颗粒,无胞质丝,无细胞外基膜,无细胞间连接。随访:存活5年以上者9例,3〜4年者5例,不足1年6例,3例死亡。结论大多数涎腺粘牍相关淋巴瘤为低度恶性,瘤细胞有”冋归“现象,少数可转变为高度恶性,预后差。自身免疫性疾病和(或)感染可导致机体产生获得性涎腺粘膜相关淋巴瘤。涎腺组织在持续性刺激下发展为涎腺肌上皮炎,进而转变为涎腺粘膜相关淋巴瘤。Clinicopathologicalstudyofmucosa-associatedlymphoidtissuelymphomaofsalivai-yglands3、m>SHIqunli,ZHANGTaihe,YANXiaojuan,SHOUBaiquan.DepartmentofPathology,NanjinggeneralHospitalofthePLA,Nanjing210002[Abstract]ObjectiveTostudythehistopathologicalfeaturesandpathogenesisofmucosaassociatedlymphoidtissuelymphoma(MALT-oma)ofsalivaryglands.MethodsSurgicalspecimensfrom27casesofM4、ALT-omaofsalivaryglandswerestudiedusingparaffin-embeddedsection,immunohistochemicalmethod(SPmethod)andelectronmicroscope.Results12tumorswerelocatedinthepariotidglands,theother15inthesubmandibularglands・MuchoftheMALT-omaofthesalivaryglandswerecomposedofdiffusecentrocyte-like(CCL)cellswithuly5、mphoepitheliallesions".immunohistochcmically,CD20expressionwasfoundtobepositiveandCD45ROexpressionwasnegativeinallMALT-omasofsailvaryglands.ConclusionsMostoftheMALT-omasarelowgrademalignanttumorsandthetumorcellshaveaHhomingback”phenomenon.AsmallnumberofMALT-omascanbecomehighlymalignanttumor6、swithpoorprognosis.AquiredMAUTmaydevelopasareactiontoautoimmunediseaseand/orinfection.HyperimmunereactionandMALThyperplasiaundercontinuousstimulationmayresultinmyoepithelialsialadenitisanddevelopintoMALT-omaofsalivaryglands.[Keywords]SalivaryglandneoplasmsLymphomaImmunohistochemistryMicrosc7、opy,electron原发于涎腺区域的淋巴瘤少见[1・3]。这丄要是因为正常涎腺组织中没有淋巴细胞参与组成,只是在发牛涎腺的口身免疫性疾病(如Sjgren综合征等)时,其涎腺导筲周围出现淋巴组织。我们用HE染色、免疫组化、电镜技术,结合临床资料对27例涎腺粘膜相关淋巴瘤(mucosa-associatedlymphoidtissuelymphoma)的病理诊断特征和发病机理进行研究,旨在为临床早期诊断提供依据。材料与方法收集我院1984〜1997年涎腺区域原发性涎腺粘膜相关淋巴瘤27例,复习其临床资料
3、m>SHIqunli,ZHANGTaihe,YANXiaojuan,SHOUBaiquan.DepartmentofPathology,NanjinggeneralHospitalofthePLA,Nanjing210002[Abstract]ObjectiveTostudythehistopathologicalfeaturesandpathogenesisofmucosaassociatedlymphoidtissuelymphoma(MALT-oma)ofsalivaryglands.MethodsSurgicalspecimensfrom27casesofM
4、ALT-omaofsalivaryglandswerestudiedusingparaffin-embeddedsection,immunohistochemicalmethod(SPmethod)andelectronmicroscope.Results12tumorswerelocatedinthepariotidglands,theother15inthesubmandibularglands・MuchoftheMALT-omaofthesalivaryglandswerecomposedofdiffusecentrocyte-like(CCL)cellswithuly
5、mphoepitheliallesions".immunohistochcmically,CD20expressionwasfoundtobepositiveandCD45ROexpressionwasnegativeinallMALT-omasofsailvaryglands.ConclusionsMostoftheMALT-omasarelowgrademalignanttumorsandthetumorcellshaveaHhomingback”phenomenon.AsmallnumberofMALT-omascanbecomehighlymalignanttumor
6、swithpoorprognosis.AquiredMAUTmaydevelopasareactiontoautoimmunediseaseand/orinfection.HyperimmunereactionandMALThyperplasiaundercontinuousstimulationmayresultinmyoepithelialsialadenitisanddevelopintoMALT-omaofsalivaryglands.[Keywords]SalivaryglandneoplasmsLymphomaImmunohistochemistryMicrosc
7、opy,electron原发于涎腺区域的淋巴瘤少见[1・3]。这丄要是因为正常涎腺组织中没有淋巴细胞参与组成,只是在发牛涎腺的口身免疫性疾病(如Sjgren综合征等)时,其涎腺导筲周围出现淋巴组织。我们用HE染色、免疫组化、电镜技术,结合临床资料对27例涎腺粘膜相关淋巴瘤(mucosa-associatedlymphoidtissuelymphoma)的病理诊断特征和发病机理进行研究,旨在为临床早期诊断提供依据。材料与方法收集我院1984〜1997年涎腺区域原发性涎腺粘膜相关淋巴瘤27例,复习其临床资料
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