Qualitative and quantitative DECT pulmonary angiography in COVID-19 pneumonia and pulmonary embolism

•One-fifth of patients with COVID-19 pneumonia had pulmonary emboli on DECT-PA.•Perfusion statistics are superior to subjective CT score in identifying PE patients.•Perfusion statistics are superior to subjective CT score in finding patients with low SpO2.•Pulmonary perfusion in cases of COVID-19 pneumonia has no distinctive features. AIMTo assess differences in qualitative and quantitative parameters of pulmonary perfusion from dual-energy...