孔源性視網(wǎng)膜脫離的超聲診斷.pdf

1、中南大學(xué)碩士學(xué)位論文孔源性視網(wǎng)膜脫離的超聲診斷姓名：王仲青申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：影像醫(yī)學(xué)與核醫(yī)學(xué)指導(dǎo)教師：肖螢20050508中南大學(xué)碩士學(xué)位論文英文摘要ABSTRACTobieet：ToexploretheapplicationvalueofhighresolutioncolerflowDopplerandthreedimensionalultrasonographicreconstructioninthediagnosisofrh

2、egmatogenousretinaldetachment(RRD)Methods：Threedimensionalultrasonographicreconstruct。ionandllighresolutioncolorDopplerflowirnagingwereperformed01146eyesof44patientssufferedfromRRDThreedimensionalresultswerecomparedwitht

3、hoseofhighresolutioncolorDopplerflowunagingandoperationalresultsTheequipmentusedWasL09iq9imagingsystemInthestudyingtheembeddedthreedimensionalimagingsystemandintegrativeworkstationwereadoptedandthelineararray。transducerw

4、ithcenterfrequencyof75MHw豁usedToacquirethethreedimensionaldatatheff∞handscanningwithoutpositioningsystemwasemployedin3to5secondFollowingorafteracquisitions，thedatawasprocessedandthreedimensionalimageswerereconstructedTwo

5、kindsofthreedimensionallll燈勰ono罌aphyrenderingmodes，includingmultiplanarmodeandholisticmodeWereappliedDuringthescanningofhighresolutioncolorDopplerflowthedimension，theheight，themovementandtheechointensityofthebandechoinvi

6、treouswererecorded，theslitporesweresearchedandpeaksystolicvelocity(PSV)，enddiastolicvelocity(EDV)，resistanceindex(RI)，pulseindex(PI)ofcentralretinalmery(CRA)andthebranchofitWeremeasuredResuIts：111cdiagnosticcoincidencera

7、teofhighresolutioncolorDopplerflowandthree—dimensionalultrasonographyWas891％and957％respectivelyThecharacteristicsofRRDinhighresolutioncolorDopplerflowwerestrongechoeswith“V”，“Y”，“T”，“一”，“arc”and“wavelike”shapesinthevitre

8、ouschamberColorbloodsffeamdetectableratewas854％TheslitporeshowedtheruptureofthebandechoesInthreedimensionalultrasonographythecharacteristicswere“filler’and‘membrane”n圮reconstructionofthreedimensionalultrasono莎aphyprovide