PMC7531899_01
Chest computed tomography and superimposed 3DSlicer software quantification images. The upper series (A) show the findings when the patient returned to the emergency room, and the lower series (B) show the findings at the time of his clinical worsening. Axial sections of the chest tomography showing multifocal pulmonary ground-glass opacities predominantly peripheral and basal, more extensive in the last study, and quantitative images generated by the 3DSlicer software superimposed over the tomographic images. The areas marked in yellow show ground-glass opacities, those marked in green are areas of normal parenchyma, and those marked in orange are areas of consolidation. The extensive progression of the findings illustrates the numerical data provided
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After 3 days, the patient evolved with dyspnea, a drop in oxygen saturation (95%), and measured fever (38.6 C), and a chest computed tomography was performed (Figure 1) and he was admitted to hospital. The following parameters were used: reconstructions with slice-thickness of 1 mm, a tube voltage of 80 kVp to 120 kVp, and adjustable current, varying between 10 mA and 440 mA. The images of these two exams were then processed, using the 3DSlicer software to segment the normal parenchyma, ground-glass opacities and consolidation areas in both lungs in the two exams performed for the patient (Figure 1).