TRANSFORMATION OF EFFUSION AND FORMATION OF GRANULATION TISSUE IN PATHOLOGIC PROCESS OF OTITIS MEDIA WITH EFFUSION |
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作者姓名: | 韦俊荣 张青 张全安 |
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作者单位: | Department of Otorhinolaryngology,Second Hospital of Xi'an Jiaotong University,Department of Otorhinolaryngology,Second Hospital of Xi'an Jiaotong University,Department of Otorhinolaryngology,Second Hospital of Xi'an Jiaotong University Xi'an 710004,China,Xi'an 710004,China,Xi'an 710004,China |
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摘 要: | Exceptforinaminorityofthecaseswithearlystageotitismedia (OM)orsequelae ,effusionisthemostcommoninflammatoryproductamongthevar iousOMtype .Itisnotclearwhetheruntreatedef fusionresultsinchronic ,irreversible pathologicchangesinthemiddleearcleftandmastoid1 -4 ] .Chronicotitismedia (COM)ismainlyindicatedbytheformationofgranulationtissue .Granulationtis sueisthemostcommon 5,6] andsignificantrepresenta tivepathologictissueofCOM .Studiesonthefac tors promoting granulationtissueformation ,thepat…
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TRANSFORMATION OF EFFUSION AND FORMATION OF GRANULATION TISSUE IN PATHOLOGIC PROCESS OF OTITIS MEDIA WITH EFFUSION |
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Abstract: | Objective To explore the diversity of stagnant effusions and the pathologic processes leading to granulation tissue formation in otitis media with effusion(OME). Methods Temporal bone slides from 306 ears with OME were studied histopathologically under the light microscope. Results Results of this study revealed a pathologic process in witch the type and the condition of stagnant effusion in the middle ear cleft was a variable in the dynamics of OME progression from an early stage to an advanced stage. The location of granulation tissue and retentive effusion were found to be closely related. Conclusion Early stage granulation tissue formation exhibited a pathologic process in which granulation tissue formation occurred only in areas where effusion had stagnated or was absorbed. The incidence of the retentive effusion and formation of granulation tissue was much higher and the pathologic changes most extensive in the area around the ossicular chain. |
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Keywords: | transformation formation effusion granulation tissue otitis media |
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