PMC8528572_01
Axial images (a-d) of pulmonary computed tomography in the parenchymal window from the thoracic inlet and upper chest depict extensive pneumomediastinum, pneumothorax, and soft tissue emphysema. Note the peripheral patches of consolidation/ground-glass density.
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fig1
Moreover, extensive free air was detected in the pleural and mediastinal cavities, compatible with the diagnosis of pneumothorax and pneumomediastinum (Figure 1).
Axial images (a-c) of pulmonary computed tomography in the parenchymal window from the thoracic inlet and upper chest 2 months after the acute coronavirus infection. Complete resolution of the pneumomediastinum, pneumothorax, and soft tissue edema is evident. The persistence of the parenchymal opacities is predictable in all types of pneumonia including COVID-19-related ones.
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A CT scan on the eighth day of admission showed resolution of pneumothorax and pneumomediastinum and notable improvement of lung lesions (Figure 2).
PMC8528572_02
Abdominopelvic CT scan with an intravenous contrast agent. Topogram (a) and axial images (b, c) reveal mildly dilated hypoperistaltic bowel loops. (d, e) Axial images at the level of SMA origin and after separation of the inferior pancreaticoduodenal artery depict the normal origin of SMA with its dilatation, poor enhancement, and intraluminal linear filling defects (yellow arrow) in favor of thrombosis. SMA, superior mesenteric artery.
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An abdominal CT scan revealed nonmechanical bowel obstruction along with partial superior mesenteric artery thrombosis (Figure 3).
PMC8528572_03
a-c) Cardiac magnetic resonance images. (a) Short-axis view short-tau inversion recovery sequence at the midventricular level demonstrates myocardial edema. (b, c) Three-chamber and short-axis LGE images depict midmyocardial-subepicardial fibrosis. (d-f) Curved multiplanar CT angiograms suggestive of normal epicardial coronary arteries.
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Subsequently, coronary CT angiography illustrated normal epicardial coronary arteries (Figure 4). Furthermore, extensive subepicardial late gadolinium enhancement was detected (Figure 4).
PMC8528572_04
(a-f) Consecutive axial fluid attenuation inversion recovery sequence images of brain MRI without contrast. Increased signal intensity is evident in the pons (a), medial temporal structures (b, c), and thalami (d). Upper corticospinal pathways are spared (e, f).
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Similar signal alterations were detected in the pons with the sparing of the corticospinal tracts (Figure 5).
PMC8528572_05
(a, b) Two consecutive axial fluid attenuation inversion recovery sequence images of brain MRI without contrast from the posterior fossa. Increased signal intensity is evident in bilateral cerebellar peduncles.
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Thereafter, a brain MRI showed increased FLAIR signal intensity in the bilateral middle cerebellar peduncles and cerebellar white matter, with the increase being more prominent on the right side (Figure 6).