| 多层螺旋CT扫描MPR和VR重建在细微及隐匿性骨折中的应用对比 |
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| 引用本文： | 陈斌,冷志欣,田红岸. 多层螺旋CT扫描MPR和VR重建在细微及隐匿性骨折中的应用对比[J]. 国际医药卫生导报, 2022, 28(7): 950-953. DOI: 10.3760/cma.j.issn.1007-1245.2022.07.015 |
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| 作者姓名： | 陈斌 冷志欣 田红岸 |
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| 作者单位： | 咸宁市中心医院 湖北科技学院附属第一医院放射科，咸宁 437100 |
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| 基金项目： | 咸宁市科学技术局一般项目（2018043）；咸宁市中心医院重点项目（2020XYA001） |
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| 摘 要： | 目的:研究多层螺旋CT（multi-slice CT，MSCT）扫描多层面重组（multiplanar reformation，MPR）以及容积再现（volume rendering，VR）在诊断细微及隐匿性骨折中的应用价值。方法:回顾性分析咸宁市中心医院2020年1月至2021年1月126例疑似骨折但普通X线检查阴性...
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| 关 键 词： | 多层螺旋CT 多层面重组 容积再现 细微骨折 隐匿骨折 诊断价值 |
| 收稿时间： | 2021-02-10 |
MPR versus VR of multi-slice CT scans in diagnosis of subtle and occult fractures |
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| Chen Bin,Leng Zhixin,Tian Hong'an. MPR versus VR of multi-slice CT scans in diagnosis of subtle and occult fractures[J]. International Medicine & Health Guidance News, 2022, 28(7): 950-953. DOI: 10.3760/cma.j.issn.1007-1245.2022.07.015 |
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| Authors: | Chen Bin Leng Zhixin Tian Hong'an |
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| Affiliation: | Department of Radiology, Xianning Central Hospital, First AffiliatedHospital of Hubei Institute of Science and Technology, Xianning 437100, China |
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| Abstract: | Objective To analyze the clinicalvalues of multi-slice CT (MSCT) with multiplanar reformation (MPR) and volumerendering (VR) in the diagnosis of subtle and occult fractures. Methods Theclinical data of 126 patients with suspected fractures in plain X-rayexamination and confirmed as subtle and occult fractures by MSCT scan inXianning Central Hospital from January 2020 to January 2021 wereretrospectively analyzed. Of the 126 patients, 66 were male and 60 female, andthey were 16-63 years old, with a total of 145 suspected fracture joints. TheMPR and VR were used to diagnose subtle and occult fractures, and the effectsof the different techniques in the diagnosis of occult fractures were compared.The count data were expressed as cases or percentages, and the χ2 and McNemar tests wereperformed. The sensitivity, specificity, and accuracy of MSCT in the diagnosisof subtle and occult fractures were calculated. Results A total of 115 occultfracture sites and 30 fracture-free sites out of 145 osteoarticular injuries inthe 126 cases were confirmed by surgery and post-operative follow up. Thefractures were consisted of 26 pelvic and hip fractures, 20 knee fractures, 21spine fractures, 31 ankle fractures, 11 elbow fractures, and 6 wrist fractures.With the results of surgery and post-operative follow-up as the gold standard,the McNemar test indicated that the sensitivity, specificity, and accuracy ofMSCT in the diagnosis of occult fractures were 98.26% (113/115), 100.00%(30/30), and 98.62% (143/145), respectively. The accuracy rate of MPR inidentifying occult fractures was 94.78%(109/115), with 6 missed diagnoses; theaccuracy rate of VR in identifying occult fractures was 99.13% (114/115), with1 missed diagnosis; the values of MPR and VR in the diagnosis of occultfractures yielded no statistical difference (P>0.05). Both MPR and VR were able to correctly identify theun-fractured area, and the accuracies of the two techniques in the diagnosis ofoccult fractures were not statistically different (χ2=3.684, P>0.05). Conclusion MSCT scan and its post-processing techniques MPR and VR caneffectively show subtle and occult fractures and are of great value in thediagnosis of subtle and occult fractures. |
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| Keywords: | Multi-slice CT Multiplanar reformation Volume rendering Subtle fractures Occult fractures Diagnostic value |
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