多层螺旋CT三维重建在眼部异物定位中的应用?266?史垦塞旦里壁盘査！Q!!堡！旦箜塑鲞箜！塑堡垦垫！堕丝！Q巳！坐些尘！堕！堡堕垫！！！！！！箜！盟！：！?论著：临床研究？多层螺旋CT三维重建在眼部异物定位中的应用郑永征谢茂松刘光辉任秉仪潘铭东【摘要】目的评价多层螺旋cT在眼部异物定位中的应用效果。方法临床病例检测方法对照研究。2012年6月至2014年6月对在福建中医药大学附属人民医院就诊可疑眼部异物病例69例（69只眼），分别行多层螺旋CT三维重建和眼眶DR拍摄，计算两种方法异物的检出率;眼眶DR拍摄阳性者行角膜缝环一DR定位法，测量异物所在的点钟位，异物跟矢状面、水平面和角巩膜缘的距离。结果多层螺旋CT三维重建法检出异物26例（37.68%,26/69）,眼眶正侧位DR拍摄法检出异物21例（30.43%,21,69）。两种方法异物检岀率差异具有统计学意义（P=0.014）。DR拍摄法检出异物的点钟位，异物跟矢状面、水平谢和角巩膜缘的距离与多层螺旋CT三维重建法相近，差异无统计学意义（点钟位t二1.103,P二0.272；异物与矢状面距离t=0.449,P=0.655；异物与水平面距离t=1.175,P=0.245；异物在角巩膜缘后距离t=l.575,P=0.117）。多层螺旋CT三维重建定位法的阳性率、灵敏度、正确指数、阴性预测值均高于角膜缝环.DR定位；多层螺旋CT三维重建定位法的假阴性率低于角膜缝环.DR定位。结论多层螺旋CT三维重建法异物检出率高，定位准确，可做为眼部异物定位的常规方法。【关键词】眼部异物；手术；多层螺旋CT三维重建；数字化放射摄影App1icationofmICTscaninthelocarforeignbodyZhengYongzhenguanghuhRenBingyiartmentofOphthalatedPeople’SHospersityofTraditioine,Fuzhou350004tofOphthalmo1ogytedHospitalofFujrsi句力Fuzhou350005Correspondingaheng,Email：danden【AbstractJObjeu1ti—osiicespira1izationofocula,XieMaosong,LiuG,PanMingdong.Depmo1ogy,TheAffi1iitalofFu激anUnivnalChineseMedic，China；Departmen，TheFirstAffiliaianMedicalUnive,Chinauthor：ZhengYongzlion一zyz@163.corctiveToevaluatetheapplicationofmulti—s1icespiralCTscaninthelocaliza—tionofocularforeignbcases(69eyefocularfor—dfromJune20pitai.Thosesiona1reconcespiralCTSadiography.onrateswerenfo?clockpondthedistanhsagittal,hemeasured.Rwerepositiv1reconstrueralCTscanantionrateWascaseswerepoa1radiograpetectionratody.Methods)thatwereeignbodywe12toJune20underwenttstructionoCanandorbiTheforeigncalculatedsition)offc—esofforeorizontalaesultsTwenebythree------------------tionofmultdtheforeig37.68%(26/sitivebyorhyandthefoeWas30.43%sSixty—ninesuspiciousoreco1lecte14inourhoshree—di—menfmu1ti—s1im1digita1rbodydetecti.Thelocatiooreignbodyaignbodywitnd1imbuswerty—sixcasesdimensionai?—siicespinbodydetec69).Whi1e21bita1digitreignbodyd(21/69).ThedifferencewasstatisticalsignificancerP二◦.014).Thelocation(ozc1ockposition)offoreignbodyandthedistancesofforeignbodywithsagit—ta1,horizontalandlimbusmeasuredbythree?dimensiona1reconstructionofmulti—siicespiraICTscanweresimi1artothosemeasuredbyorbitaldigitairadiography.Thedifferenceswerenostatistica1sig—D0I：10.3760/cma.j.issn.1006—4443.2015.03.014基金项目：国家自然科学基金项目(81102619)作者单位：350004福建中医药大学附属人民医院眼科(郑永征刘光辉任秉仪潘铭东)：350005福建医科大学附属第一医院眼科(谢茂松)通信作者：郑永征，Email：dandelion_zyz@163.com万方数据主垦塞旦竖型苤査垫！！生！旦箜！！鲞箜！塑垡垦堕！墼！Q望！！！生婴尘！塑！些！Q!!!!尘塑！盟！：！nificance(thetweenforeign1ocationofforeignbodyt=1,103,P------------------0o272；theofsagitta1distancesofforeignbodybe.t=o.449,P=o.655；thebodyandhorizonta1distancesforeignbodyt=1.175.P=o.245；thedistances1imbust=I.575,P=0.117).Thespira1CTscanpositiverate,sensitivity,co...