Clinical features and radiological manifestations of COVID-19 disease

Table 1 Computed tomography findings, the most common findings are bolded

CT findings	Frequency
Ground-glass opacities: Circumscribed margin; rounded/poorly-defined	++++
Consolidations	+
Ground-glass opacity + consolidation	+++
Crazy-paving pattern	+++
Elongated/linear/curved consolidation	+++
Pattern perilobular pattern	+++
Reverse halo sign	+
Other signs: Vascular dilation + ground-glass opacity	++
Other signs: Dense subpleural line	++
Other signs: Subpleural parenchyma normal	++
Other signs: “Tree-in-bud pattern”/centrilobular nodules	-
Distribution: Peripheral/subpleural	++++
Distribution: Central/perihilar	+
Distribution: Multifocal bilateral	++++
Extrapulmonary findings: Nodal involvement	-
Extrapulmonary findings: Pleural effusion	-

CT: Computed tomography.