内镜下超声检查在鼻腔鼻窦颅底的应用价值

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1、军医进修学院硕士学位论文Endoscopicultrasonographyinnasalcavity,paranasalsinusesandskullbaseAbstractImagingexaminationsOllnasalcavity,paranasalsinnscsandskullbase，suchas：X-ray，computerizedtomography(CT)，magnetresonanceimagination(MRI)，digitalsubstractionangiography(DSA)，hadimprovedthediagno

2、sticlevelsondiseasesinnasalcavity，paranasalsinuses，skullbaseandnasocular．However,CT，MRJ，andDSAiscosily，andDSAisainvasiveexamination，suchexaminationscannotoffersatisfieddescription011thefineexaminationofnasalinuconsmembraneandbloodsupplyingconditionoflesionsinnasalcavity,paranas

3、alsinusesandskullbase．TheapplicationofnasalendoscopeandtheemergenceofcathetertransducergiveUSachancetodirectlyobservethenasalmucosathatWewereinterestedin．Thehighfrequencycathetertransducerhasfreeverticalresolutionthatnotonlycauaccuratelymeasurethethicknessofmucousmembrane，butal

4、soCalldisplaytheechostructureofmucousmembranceandsubmucouslayenItCanhelpUStostudythestructurecharacteristicsofnasalparenchymawithoutinvasion．Accordingtotheabove-mentionedbackground，Wecarried011somestudiesasfollows：(至)EmpiricalstudyOnintra-nasalscanningofcaninenasalcavitywithend

5、oscopicul打asonography；(DMeasurednasalcavityofhealthyyouthwithendoscopicultrasonography；③Intra-nasalscanningofoccupationallesionsinnasalcavity，paranasalsinusesandskullbasewithendoscopicultrasonography．Objective1．Toexplorethefeasibilityofnasalparenchymathroughintra-nasalscanningw

6、ithendoscopicultrasonography．4军医进修学院硕士学位论文2．Tomeasurethenasalparenchymaofhealthyyouththroughinlra-nasalscanningwithendoscopicultrasonography,providingthefoundationofdevelopingtheul血'asonographyofnasalcavityinclinicandofestablishingthenormalindexoftheultrasonographyofnasalcavity

7、．3．Topresentthesonographicappearanceandthebloodsupplyofdifferentdiseasesthroughintra-nasalscanningofoccupationallesionsinnasalcavity，paranasalsinusesandskullbasewithendoscopicultrasonography．ComparedwiththegeneralimagingexaminationssuchasCT、MRItoevaluatetheapplicationvalueofthe

8、endoscopicultrasonographyofmassesinnasalcavity,paranas