:64 CT thin-layerreconstructionishigherthanthatofstandardalgorithmthin-layerreconstructionfordi- agnosingoccultbasilarskulfractureandtheircombinationh

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1 72 ( ) JournalofNanchangUniversity(MedicalSciences)2018Vol.58No.1 64 CT ( ) : 64 CT (95.3% 58.4%P<0.05) (100.0%58.4%P< 0.05) (100.0% 95.3%P>0.05) GE64 CT : 64 CT ; ; ; ; : R : A : (2018) DOI: /j.cnki.ncdm Valueof64-SliceSpiralCTStandardAlgorithmandBone AlgorithmThin-LayerReconstructionTechniquein DiagnosisofOccultBasilarSkulFracture FAN Hua-gangCHEN Hui-ting (Departmentof Radiologythe94 th Hospitalof Chinese People sliberation ArmyNanchang330002China) ABSTRACT:Objective Toexplorethevalueof64-slicespiralCTstandardalgorithmandbone algorithmthin-layerreconstructiontechniqueinthediagnosisofoccultbasilarskulfracture. Methods Thestandardalgorithm and bonealgorithm thin-layerreconstruction wereusedto judgethefracturesiterangesurroundingsinuscavityandsofttissueconditionsfracturein300 patientswithsuspectedoccultbasilarskulfracture.results Thick-layerscanonlyshowedsome indirectsignswithoutobviousfracturesinthesepatients.thepositiverateoffracturediagnosisa- chievedbybonealgorithmthin-layerreconstructionwashigherthanthatachievedbystandardal- gorithmthin-layerreconstruction(95.3% vs58.4%p<0.05)andthatachievedbycombined standardalgorithmandbonealgorithmthin-layerreconstructionwashigherthanthatachievedby standardalgorithmthin-layerreconstruction(100.0% vs58.4%p<0.05).howeverthecom- binedstandardalgorithmandbonealgorithmthin-layerreconstruction wasnotsignificantlydif- ferentfrom bonealgorithm thin-layerreconstructionforthepositiverateoffracturediagnosis (100.0% vs95.3%p>0.05).conclusion Theaccuracyof64-slicespiralCT bonealgorithm : : (1986 ) X CT MRI : @qq.com

2 :64 CT thin-layerreconstructionishigherthanthatofstandardalgorithmthin-layerreconstructionfordi- agnosingoccultbasilarskulfractureandtheircombinationhasimportantclinicalvalueinthedi- agnosisofoccultbasilarskulfracture. KEY WORDS:64-slicespiralCT;standardalgorithm;bonealgorithm; basilarskulfracture;occult 1.2 GE LightSpeed64 CT 120kV 330mA 0.625mm % [1] mm mm (ADW4.6) (MPR) (X CT ) (VR) [2] [3] 3 CT CT CT [4] 1.3 [5-7] SPSS18.0 [8-10] CT P<0.05 CT CT 93(31.0%) 50 (16.7%)177 (58.4%) 243 (81.0%) 22(7.3%); 5 289(95.3%) (90.7%)303 (100.0%) 178(59.3%) (45.3%) :1) ;2) CT 5mm (P<0.05) 5 mm ;3) (P<0.05) CT (P>0.05) ; 5~90 1 (33.25±2.24); 30min~3d 73

3 74 [21] 1 ; MSCT [22-24] ( ) ( ) [25] ( 8)MPR 1 8 ( ) MPR VR MPR VR MPR CT 3 MPR [26] ; VR ( ; 7) VR [11] ; CT 25% ~50% ( 1A 2A 4A 5A) 2 [12] CT 59.3% ( 7A B) CT(MSCT) MPR CT ( ) VR (MIP) (CPR) [13-19] MSCT [20] CT MSCT ( 1B 2B 3B 4B 5B 6B) X ( 1B 2B 3B 4B 5B

4 :64 CT 6B) 95.3% [4]. MPR VR [5] [6] [7] MPR [8] 64 CT [9]. ( 1B 2B 3B 4B 5B 6B) (2): [11] [12]. ( 7 8A) ( [13] 8) [J]. ; [15]. [J]. [16]. [J]. [17] (5):68. (100.0%) [18] (19): (59.3%) [19]. [20]. GE64 CT(GE lightspeedvct) [J]. 2015(9): ([22] ) : [1]. CT CT [J]. [J] (6): (3): [2]. CT [J] (12): [J] (5): [3].64 CT [J]. CT MRI (2): CT CT [J] (7): CT CT [J] (8): [J] (1): CT CT [J] (16):147.. CT [J]. 2014(6): CT [J]. ( )20168(9): [ ].htp:// [10] Brodie H AThompson T C.Managementofcomplications from820temporalbonefractures[j].am JOtol [J] (8): CT [J] (16): CT [J] (2): [14]. CT (2): CT (2): CT 2015(10):7366. CT [J].. [J]. CT [J] (18):114. CT CT [J] (4): [21].64 CT. CT [J] (1): [23]. CT [J]. : (2): [24]. CT [25].64 CT [26]. CT [J] (11): ( : )

5 ６４排螺旋ＣＴ标准算法与骨算法薄层重建技术在颅底隐匿性骨折诊断中的应用价值正文见第７２页

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