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1、CT三维重建技术在骨盆骨折脱位中的应用价值中国骨伤2006年7月第19卷第7期ChinaJOrthop&Trauma,Ju1.2006,Vo1.19,No.7?403??临床研究?CT三维重建技术在骨盆骨折脱位中的应用价值赵建彬.,刘静(1.聊城市人民医院骨科,山东聊城252000;2.聊城市东昌府医院1=1腔科)【摘要】目的:探讨CT三维重建在骨盆骨折脱位诊治中的应用价值.方法:37例骨盆骨折脱位患者,术前均行x线,CT扫描和CT三维重建成像,通过骨盆像的任意旋转,获得骨盆各个方位的图像,
2、并根据需要摄片.根据骨盆骨折脱位和骨盆环的破坏程度,选择最佳治疗方案和手术入路.其中26例行切开复位重建钢板螺钉内固定术,11例采取保守疗法.结果:37例CT三维重建成像均能较清晰显示骨盆骨折脱位在三维层面即矢状面,额状面及水平面上的移位方向,移位程度及骨盆环破坏情况.术后35例获得随访,随访时间2~4.5年,平均33个月,参照骨折疗效标准:优23例,良8例,可4例.结论:CT三维重建把CT扫描和图像重建技术有机地结合得出三维空间图像,能直观,全面,精确地显示骨盆的立体形态和各部位解剖结构的空间关系
3、,对选择合适的手术入路和内固定起重要作用.【关键词】骨盆骨折;脱位;CT三维重建Applicationvalueofthree-dimensionalCTreconstructionindiagnosisandtreatmentofpelvicfracture-dislocationZHAOJian—bin',LIUJing.'DepartmentofOrthopaedics,thePeople'SHospitalofLiaocheng,Li—aocheng252000,Shandong,China
4、ABSTRACTObjective.Toexploretheapplicationvalueofthree—dimensionalCT(3-DCT)reconstruc-tionindiagnosisandtreatmentofpelvicfracture?dislocation.Methods:Thiay-sevenpatientsofpelvicfracture—dislocationwereexaminedwithX—ray,CTand3-DCTbeforeoperation.Byrandom
5、rotation,3-DCTcouldobtainoverallimageofpelvic,whichcouldbetakenphotographsforneed.Optimaltreatmentandsurgicalapproachwereadoptedbasedonthestateofpelvicfracture-dislocationandthedamageextentofpelvicring.Amongthem,26casesweretreatedwithopenreductionandin
6、ternalfixation,and11casesreceivednon—operativetreat-ment.Results:Directionanddegreeoffracture—dislocation,damageextentofpelvicringwereshowedthrough3-DCTinallthecases.35caseswerefollowedupfrom24to54mOBthswithaverageof33months.Accordingtofracturehealingc
7、riterion,excellentin23cases,goodin8andfairin4.Conclusion:3-DCTrecon~ructionhavetheimportantroleinselectionofoperativeapproachandinternalfixation,whichisatechnicalconjugationbe—tweenCTandimagereconstruction.Itcandisplaypelvicthree—dimensionalformandspat
8、ialrelationshipofallanatomicstructure.KeywordsPelvicfracture;Dislocations;Three—dimensionalcomputedtomographreconstruction骨盆骨折脱位是临床上常见的,严重和复杂的创伤之一,准确的诊断是正确指导临床治疗的前提.以往的x线片仅能做出初步判断,CT断层也只能从横断面上进行观察.2O世纪9O年代初CT三维重建应用于临床,它可从三维层面上清楚显示骨折移位和关