Fig. 3

A 33-year-male patient with SLE and ESRD who was completely asymptomatic however underwent screening HRCT scan prior to hospital admission for dialysis. a and b Axial HRCT of chest (lung window) shows initial presentation by unilateral right upper peripheral sub-pleural four solid nodules with GG “halo sign” (red arrows). They were conflicted as either COVID-19-related or SLE-related nodules. Isolated hospitalization, PCR testing and special isolated unit dialysis was the clinical decision. c and d Follow-up study for the patient 3 days later, he was also still completely asymptomatic: Axial HRCT chest showed de novo multiple bilateral GGO patches and left basal linear consolidation. PCR test for COVID19 was carried out and proved positive