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Fig. 6 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 6

From: Spectrum of HRCT findings among asymptomatic and recovered COVID-19 patients: how did they impact the clinical decision?

Fig. 6

Serial follow-up for a completely asymptomatic recovered 44-year-male patient proved with COVID-19. a, b, c First follow-up study edited 4 days after two consecutive negative tests’ results announcing recovery. Axial HRCT chest—lung window; (a) higher GG attenuation (−650 HU), (b) process was complicated by encysted fissural hydro-pneumothorax surrounded by dense GGO and consolidative changes, (c) Peripheral dense organization is noted “Atoll sign.” d, e, f Next follow-up study edited 24 days later with axial HRCT chest—lung window; (d) GGO is approximating normal lung parenchyma (−760 HU), (e) Near-total resolution of the dense GGO and consolidations surrounding the encysted fissural collection which retained the same size, however, noticed increased fluid component and decreased internal air, (f) disappearance of the “Atoll sign” and lower GGO values. Laboratory tests were unremarkable and O2 saturation in room air was 96%. Clinical decision remains unchanged: No need for re-isolation or re-hospitalization

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