PMC5757587_01
Chest images of the present case. (A) The chest radiograph (CXR) on initial presentation showed right lower lobe consolidation. (B) The CXR 2 days after initial presentation showed rapid progression of right lower lobe consolidation and new infiltrate in left lower lobe. (C) The chest computed tomography (CT) 2 days after initial presentation showed right lower lobe diffuse consolidation and alveolar infiltrate in left lower lobe. (D) The CXR 3 months after treatment showed nearly complete resolution of the lung consolidations.
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Her chest radiograph revealed right lower lobe opacity (Fig. 1A). The chest radiograph revealed rapid progression of right lower lobe patchy density (Fig. 1B) and a new infiltrate in left lower lobe. The chest computed tomography (CT) showed right-sided diffuse consolidation and alveolar opacity in left lower lobe (Fig. 1C). Her follow-up chest radiograph after 3 months of treatment (Fig. 1D) showed significant resolution of the lung opacities.
The microscopic findings of the computed tomography (CT)-guided lung biopsy revealed chronic inflammation and fibrin deposition in the lung interstitium with reactive pneumocyte and macrophage infiltrates (haematoxylin-eosin stain, 200 ).
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She underwent CT-guided biopsy of right lower lung and the histopathology revealed chronic inflammation and fibrin deposition in the lung interstitium with reactive pneumocyte and macrophage (CD 68+) infiltrates without visible pathogen on Gram stain and acid-fast stain (Fig. 2).