胸部CT——2019新型冠状病毒肺炎诊疗的“看门人”

Chest CT--The gatekeeper to COVID-19

2019年12月,新型冠状病毒(SARS-CoV-2)感染的肺炎在武汉暴发并迅速蔓延全国乃至世界。胸部薄层CT作为一线检查手段,具有简单、快捷的优势,结合流行病学史和临床表现,可以高度提示新型冠状病毒肺炎的诊断,有利于疑似或确诊病例的及早隔离和干预。此外,CT还可以评估疾病的严重程度,动态监测疾病进程,从而及时指导临床决策,提供预后信息。文章结合国内外的规范文件和研究进展总结了新型冠状病毒肺炎的CT影像学特征,并着重探讨了CT在其诊疗中的价值。

In December 2019,an outbreak of pneumonia associated with a novel coronavirus(SARS-CoV-2)emerged in Wuhan and spread rapidly throughout China and beyond.As the first-line imaging modality,thin-section chest CT is easy to perform,fast,available.Combined with epidemiological history and clinical manifestations,positive CT findings can highly suggest the early diagnosis of Coronavirus Disease 2019(COVID-19)with high sensitivity,so that timely isolation and intervention can be implemented for suspected and confirmed patients.CT can also help assess the disease severity and surveil disease course,so as to guide clinical decision and provide prognostic information.This paper outlines the CT imaging features of COVID-19 and highlights the value of chest CT in its diagnosis and treatment with the reference to the official documents and latest researches.