PMC5937586_01
Chest radiography showing right-sided pleural effusion and left diaphragmatic retraction.
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A 51-year-old man was admitted to the hospital for investigation of an asymptomatic right pleural effusion found on routine chest radiography (Figure 1). C-reactive protein level (27.6 mg/L) were elevated. Chest radiography also showed left diaphragm retraction (Figure 1).
Computed tomography scan of the chest showing on the right lung: (a) hydropneumothorax, (b) basal pleural nodule, and (c) pleural thickening; on the left lung: (a) basal pleural residual changes and (d) upper lobe residual parenchymal changes consistent with past tuberculosis.
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On the left, a slight focal basal pleural thickening and upper lobe residual parenchymal changes were consistent with past tuberculosis (Figure 2).
Subcutaneous rheumatoid arthritis nodule.
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Subcutaneous nodules were seen on his left elbow and wrist (Figure 3), which proved to be RA nodules after surgical excision.