This 52 years old man presented with mild disease that progressed in 3 days. He was Covid negative but breathless and a scan done 1 month later shows dense opacities with...

Then we have this 42-years old man with two scans done 9 days apart, who was mildly symptomatic at the time of the first scan and is asymptomatic at the time of the 2nd scan. The...

On the other hand, this 34-years old patient had minimal subtle disease at presentation and then 13 days later landed up with extensive lung involvement, most of it likely...

This 43-years old man has typical changes of ground glass and crazy-paving at presentation. One week later, the lesions have resolved significantly with residual ground glass,...

These are two asymptomatic individuals who tested positive, but sent for CT scan. Both patients show subtle opacities, which are predominantly perivascular, with ground glass or...

This is a 41-years old with severe disease. The red arrows show the “target sign”, one in the right lower lobe and the other in the left lower lobe. The patient has pulmonary...

The target sign has been described to be a result of perivascular inflammation and organizing pneumonia. Whether there is also an element of infarction is uncertain. As seen in...

The vascular “tree-in-bud” appearance has been recently described by Brijesh Patel from the Royal Brompton in London and his colleagues. This refers to the presence of...

One major difference between Covid-19 and other inflammatory / infective diseases of the lungs is the presence of a vasculopathy / angiopathy. While there is still debate about...

Ground glass (GG) foci are the commonest manifestation of Covid-19 and in subtle cases, may be difficult to diagnose. This difficulty may then turn a positive into a negative...