PMC6350018_01
Initial CT of chest showing left upper lobe consolidation and advanced COPD.
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CO2, 28 mmol/L; anion gap, 8 mEq/L; blood urea nitrogen (BUN), 20 mg/dL; creatinine, 0.87 mg/dL; glomerular filtration rate (GFR) > 60 mL/min; magnesium, 2.2 mEq/L; aspartate aminotransferase (AST), 14 units/L; alanine aminotransferase (ALT), 25 units/L; albumin, 3.4 g/dL; and troponin < 0.01 ng/mL. Chest X-ray showed left upper lobe consolidation, and a computed tomography (CT) of chest showed dense consolidation and cavitation in the left upper lobe along with advanced COPD changes in his lungs (Figure 1).
Chest CT after 4 months of treatment, showing significant improvement of the left upper lobe consolidation.
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AFB within 2 months of therapy initiation and remained negative for throughout his treatment course. A repeat CT was done, which showed complete resolution of left lung consolidation with remnant scarring (Figure 2).