The British Society of Thoracic Imaging (BSTI) guidelines (attached below) have outlined features that define Classical COVID:
Lower lobe predominant, peripheral predominant, multiple, usually bilateral foci of GGO, Plus or minus the following:
Radiological Society of North America (RSNA) guidelines (attached below) have outlined features that define Typical COVID:
The RSNA have also provided some guidance on structuring CT reports for Typical COVID:
“Commonly reported imaging features of (COVID-19) pneumonia are present. Other processes such as influenza pneumonia and organizing pneumonia, as can be seen with drug toxicity and connective tissue disease, can cause a similar imaging pattern.”
![]() |
---|
![]() |
---|