PMC7294956_01
(A) Chest computed tomography, pulmonary window, axial, showing small areas of consolidation in the peripheral upper segment of the left lower lobe (black arrow), a typical finding in patients with COVID-19 pneumonia; (B and C) axial chest computed tomography with contrast in the mediastinal window. Large filling defects adherent to the walls of both the left and right main pulmonary arteries before their bifurcation (white arrows), an appearance compatible with pulmonary thromboembolism.
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These opacities were more exuberant in the peripheral upper segment of the left lower lobe (Figure 1 A, black arrow). An increase in blood D-dimer levels raised the suspicion of pulmonary thromboembolism, which was confirmed by CT pulmonary angiography (Figure 1B and C, white arrows).