Question问题:
AmongpatientswithCOVID-19whoundergoCTscanning,whendothecharacteristicfindingsofCOVID-19pneumonia,groundglassopacities(GGO),appearduringthecourseoftheillness?
做CT扫描的新冠肺炎患者,在疾病过程的什么时候会出现新冠肺炎典型的CT表现,即毛玻璃状阴影(GGO)?
Answer答案:
AslightmajorityofpatientshaveanegativeCTduringthe2daysaftersymptomonsetwithGGOdevelopingbetweendays0-4andpeakingat6-13days.Thus,anegativeCTshouldnotexcludeCOVID-19,particularlyearlyon.
毛玻璃状阴影通常在0-4天内出现,6-13天达高峰,但稍稍多于一半患者在症状出现2天内没有CT异常。因此,疾病早期的正常CT并不能排除冠状肺炎。
参考文献:
Radiology,epub,3/25/20
要想查看其它《每日急诊一题》内容,可
转载请注明:http://www.soyingyong.net/yezqfy/7361.html