Table 2.

CT findings of COVID-19 pneumonia and non-infectious diseases

CT finding	COVID-19 pneumonia	Pulmonary Edema	Pulmonary Hemorrhage	Neoplasms	Organizing pneumonia	PAP	Sarcoidosis	Infarction	Interstitial diseases	Aspiration pneumonia
GGO	+++	+++	+++	+	++	+++	+	+	++	+
Consolidation	++	++	++	++	++	++	+	++	+	++
Centrilobular nodular opacities	−−−	−	+	+	0	−−	++	−−−	+	++
Crazy-paving	++	+	++	+	+	+++	+	−−−	+	0
Lesion distribution
Peripheral	+++	−−	+	+	++	−	0	+++	++	++
Lower zone	+++	+	+	+	++	0	−	++	++	+++
Rounded morphology	+++	−	++	++	+	−	+	+	0	+
Cavitation	−−−	−−−	0	+	−	−	−	+	−−	++
Pleural effusion	−−	++	+	++	−	−−	−	++	−	+
Lymphadenopathy	−−	+	0	++	0	−	+++	0	+	+

The most common findings of aforementioned disease groups are presented. Signs indicate the strength of relation between the CT finding and diagnosis; in a range of (+++) and (−−−); (+++) indicating the strongest association.