2014年11月30日至12月5日，第100届北美放射学会（RSNA）年会于美国芝加哥召开，本届会议的主题是“医疗变革的百年（A century of transforming medicine）”。其内涵是RSNA的百年历史，见证了医学影像学技术的进步，并推动了临床医疗...2014年11月30日至12月5日，第100届北美放射学会（RSNA）年会于美国芝加哥召开，本届会议的主题是“医疗变革的百年（A century of transforming medicine）”。其内涵是RSNA的百年历史，见证了医学影像学技术的进步，并推动了临床医疗的变革与发展。来自130多个国家的超过5．6万名医学放射从业者参加了此次盛会。展开更多
Propose:In this study,we re-assessed the criteria defined by the radiological society of North America(RSNA)to determine novel radiological findings helping the physicians differentiating COVID-19 from pulmonary contu...Propose:In this study,we re-assessed the criteria defined by the radiological society of North America(RSNA)to determine novel radiological findings helping the physicians differentiating COVID-19 from pulmonary contusion.Methods:All trauma patients with blunt chest wall trauma and subsequent pulmonary contusion,COVID-19-related signs and symptoms before the trauma were enrolled in this retrospective study from February to May 2020.Included patients(Group P)were then classified into two groups based on polymerase chain reaction tests(Group Pa for positive patients and Pb for negative ones).Moreover,44 patients from the prepandemic period(Group PP)were enrolled.They were matched to Group P regarding age,sex,and trauma-related scores.Two radiologists blindly reviewed the CT images of all enrolled patients according to criteria defined by the RSNA criteria.The radiological findings were compared between Group P and Group PP;statistically significant ones were re-evaluated between Group Pa and Group Pb thereafter.Finally,the sensitivity and specificity of each significant findings were calculated.The Chi-square test was used to compare the radiologica丨findings between Group P and Group PP.Results:In the Group PP,73.7%of all ground-glass opacities(GGOs)and 80%of all multiple bilateral GGOs were detected(p<0.001 and p=0.25,respectively).Single bilateral GGOs were only seen among the Group PP.The Chi-square tests showed that the prevalence of diffused GGOs,multiple unilateral GGOs,multiple consolidations,and multiple bilateral consolidations were significantly higher in the Group P(p=0.001,0.01,0.003,and 0.003,respectively).However,GGOs with irregular borders and single consolidations were more significant among the Group PP(p=0.01 and 0.003,respectively).Of note,reticular distortions and subpleural spares were exclusively detected in the Group PP.Conclusion:We concluded that the criteria set by RSNA for the diagnosis of COVID-19 are not appropriate in trauma patients.The clinical signs and symptoms are not always use展开更多
文摘2014年11月30日至12月5日，第100届北美放射学会（RSNA）年会于美国芝加哥召开，本届会议的主题是“医疗变革的百年（A century of transforming medicine）”。其内涵是RSNA的百年历史，见证了医学影像学技术的进步，并推动了临床医疗的变革与发展。来自130多个国家的超过5．6万名医学放射从业者参加了此次盛会。
文摘Propose:In this study,we re-assessed the criteria defined by the radiological society of North America(RSNA)to determine novel radiological findings helping the physicians differentiating COVID-19 from pulmonary contusion.Methods:All trauma patients with blunt chest wall trauma and subsequent pulmonary contusion,COVID-19-related signs and symptoms before the trauma were enrolled in this retrospective study from February to May 2020.Included patients(Group P)were then classified into two groups based on polymerase chain reaction tests(Group Pa for positive patients and Pb for negative ones).Moreover,44 patients from the prepandemic period(Group PP)were enrolled.They were matched to Group P regarding age,sex,and trauma-related scores.Two radiologists blindly reviewed the CT images of all enrolled patients according to criteria defined by the RSNA criteria.The radiological findings were compared between Group P and Group PP;statistically significant ones were re-evaluated between Group Pa and Group Pb thereafter.Finally,the sensitivity and specificity of each significant findings were calculated.The Chi-square test was used to compare the radiologica丨findings between Group P and Group PP.Results:In the Group PP,73.7%of all ground-glass opacities(GGOs)and 80%of all multiple bilateral GGOs were detected(p<0.001 and p=0.25,respectively).Single bilateral GGOs were only seen among the Group PP.The Chi-square tests showed that the prevalence of diffused GGOs,multiple unilateral GGOs,multiple consolidations,and multiple bilateral consolidations were significantly higher in the Group P(p=0.001,0.01,0.003,and 0.003,respectively).However,GGOs with irregular borders and single consolidations were more significant among the Group PP(p=0.01 and 0.003,respectively).Of note,reticular distortions and subpleural spares were exclusively detected in the Group PP.Conclusion:We concluded that the criteria set by RSNA for the diagnosis of COVID-19 are not appropriate in trauma patients.The clinical signs and symptoms are not always use
