PMC9022463_01
Chest radiograph of patient 1 on admission demonstrates nodular and air space opacities bilaterally (Panel A). These opacities significantly resolve on day 12 of admission (Panel B). No cavity, enlarged hilar node, or pleural effusion is seen in both chest radiographs.
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Chest radiograph revealed bilateral nodular and airspace opacities (Fig. 1A). Chest radiograph taken 3 months post-discharge showed resolving opacities (Fig. 1B).
Representative slices (axial view) of CT thorax for patient 1 demonstrates ground-glass changes in both upper lobes with associated nodular changes bilaterally on day 7 of admission (Panel A), followed by resolution of the ground-glass changes, leaving residual nodular changes in both lung fields on day 40 of admission (Panel B).
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CTPA showed pulmonary embolism in the segmental branch of right descending pulmonary artery, generalized, diffuse peri-bronchovascular ground glass changes bilaterally, interlobular and intralobular septal thickening at bilateral upper lobes, focal consolidation at the lateral basal segment of the left lower lobe, and tree-in-bud nodules bilaterally (Fig. 2A). However, there were increased diffuse centrilobular lung nodules with traction bronchiectasis at bilateral lower lobes, consistent with endobronchial TB (Fig. 2B).
PMC9022463_02
Chest radiograph of patient 2 on admission demonstrates right pleural effusion with minimal air space opacities at bilateral lower zones (Panel A) which progresses to involve the mid zone bilaterally on day 12 of admission (Panel B). There is no significant enlarged hilar node bilaterally.
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Auscultation of lungs revealed reduced air entry over the right lower zone, and chest radiograph revealed bilateral lower zone airspace opacities with blunting of the right costophrenic angle (Fig. 3A). Repeated chest radiograph showed progression of airspace opacities involving mid zones bilaterally (Fig. 3B).
PMC9022463_03
Chest radiograph of patient 3 on admission demonstrates predominantly nodular with some air space opacities bilaterally (Panel A). Some nodules coalesce to form a larger patch of consolidation at the left midzone. No cavity, air-fluid level, effusion or enlarged hilar node is seen. Repeated chest radiograph at day 12 of admission shows partial resolution of these changes (Panel B).
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Chest radiograph showed bilateral nodular and airspace opacities with left mid zone consolidation (Fig. 4A). Chest radiograph on day 14 of admission showed partial resolution of the left mid zone consolidation with residual nodular opacities (Fig. 4B).