PMC9881486_01
Chest X-ray showing patchy air space shadowing in both lungs, prominently in mid and lower zones (arrows).
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F1
Chest X-ray (Fig. 1) showed patchy air space shadowing in both lungs, prominently in mid and lower zones.
Computed tomography pulmonary angiography showing no pulmonary embolism but multiple ground glass lesions covering more than 50% of the alveolar surface, concerning for pulmonary infection including moderate form of covid pneumonitis (arrows).
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F2
CT pulmonary angiography (CTPA) (Fig. 2) showed no pulmonary embolism but multiple ground glass lesions covering more than 50% of the alveolar surface, concerning for pulmonary infection including moderate form of COVID pneumonitis.
First follow-up computed tomography chest showing improvement of ground glass appearance (arrows).
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F3
A high-resolution chest CT showed significant improvement in the ground glass appearance compared to the previous study (Fig. 3).
Diffuse patchy lung infiltrates, predominantly in both lung bases, with some variation from previous imaging (arrows).
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F4
CTPA showed no PE with diffuse patchy lung infiltrates, predominantly in both lung bases, with some variation from previous imaging (Fig. 4).
Magnetic resonance imaging of femur with evidence of myositis (arrows).
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F5
Magnetic resonance imaging (MRI) of the femur (Fig. 5) was highly suspicious of acute polymyositis.