牽?；ňC合征伴裂孔性視網(wǎng)膜脫離的玻璃體手術(shù)治療

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1、牽?；ňC合征伴裂孔性視網(wǎng)膜脫離的玻璃體手術(shù)治療【摘要】　　我們報道牽?；ňC合征伴裂孔性視網(wǎng)膜脫離經(jīng)玻璃體手術(shù)治療1例。我們認(rèn)為：發(fā)現(xiàn)裂孔、玻璃體手術(shù)解除牽拉力以及長效氣體的運用是手術(shù)成功的關(guān)鍵。文獻也包括對牽牛花綜合征伴視網(wǎng)膜脫離的病因及B超對此病診斷意義的討論?！娟P(guān)鍵詞】牽牛花綜合征；視網(wǎng)膜脫離；玻璃體手術(shù)　　INTRODUCTION　　Morningglorysyndrome(MGS)isacongenitalanomaly,inedforsimilarityinappearancetothetrumpetshapedmorninggl

2、oryfloalyisunknoostauthorsagreethatisrare.Usuallyunilateral,itischaracterizedbyanexcavatednerveheaddefecttheedgeoftheanomaly.Retinaldetachmenthasbeenreportedin26%38%ofpatientsentinthesecaseshasbeencontroversial.GSisararecongenitalanomalyalitieshavebeenreported.Theseinclu

3、destrabismus,cataract,nystagmus,lenscoloboma,eyelidhemangioma,aniridia,microphthalmos,Duanesretractionsyndromeandretinaldetachment[3,4].Retinaldetachmentisthemostmonocularplicationandisthoughttobedifficulttorepairbecauseretinalbreaksostcases.Severalpathogenicmechanismshav

4、ebeenproposedtoexplainthehighriskofdevelopingretinaldetachmentinpatiententoftheopticnerve[4,5].(2)Abnormalmunicationbetayoccuralloulationsubretinally[2,6].(3)Liquefiedvitreousenteringtheintraretinalspaceattheedgeoftheopticnerve.[4].(4)Leakageoffluidfrombloodvesselsalousop

5、ticdiscorfromtheperipapillarychoroidmayberesponsibleforthesubretinalfluid.Asmallretinalholeintissuelyingintheopticdiscanomalymayprovideafluidpatheeyesyopicandhasaslitlikebreakintheopticdiscanomaly,sothesmallholeatogenousdetachment.ThemaculamayalsobeabnormalinMGSpatients.Y

6、amanaetal[7]correlatedalargerelevatedperipapillaryalmaculalackingareflexandaculailartotheirpatients(Figure1).Thecolorofthemaculaentsintheganglioncells.　　FortheaccuratediagnosisofMGS,exceptforthespecialappearanceoffundus,inescouldshoageologicalfeaturesofMGSfromdifferentaspe

7、cts,otherdiseasessuchasopticdisccoloboma.Forexample,thespecialimageologicalfeaturesofBscanultrasonogram:thevitreouscavityextendedtotheposteriorpoleandopticpapillaprojectedtothebasalpartofmusclecones,thustheposteriorpartofvitreouscavitylookedlikeanupsidedoentcouldalsobese

8、en(Figure3).Bscanultrasonography,inparticularly,isconsideredtobereliableimageologicalmet