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Fig. 6 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 6

From: Longitudinal assessment of chest computerized tomography and oxygen saturation for patients with COVID-19

Fig. 6

a-l Axial CT images (lung window) of a male patient 55 years old presented with dyspnea and fever and proved by RT-PCR to have COVID-19 infection. Serial CT scans were done due to the progression of the disease process and the gradual drop in his oxygen saturation. a-c Represented the CT done during the 1st stage (3 days after the onset of symptoms) and revealed the presence of typical findings of COVID-19 infection which included multiple peripheral rounded ground-glass opacity (red circle). d-f Represented follow-up CT done at 2nd stage (6 days from the onset of symptoms) and revealed a progressive course in the form of widespread ground-glass opacity and more lobes involved. g-i Images related to the CT done at the 3rd stage (12 days after the onset of symptoms) showed extensive widespread peripheral consolidation patches and mixed attenuation pattern with predominant consolidation associated with fibrosis. The patient’s oxygen saturation at this stage dropped to 87%; hence, oxygen supply was mandatory and the condition improved. Follow-up CT at the 4th stage (20 days after the onset of symptoms) revealed a regressive course of the CT findings with residual ground-glass opacity (j-l images)

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