PMC7396817_01
Chest computed tomography (CT) finding on admission and on day 66.. (A) Chest CT image on admission. Peristernal fluid associated with an osteolytic lesion is shown (arrow).. (B) A peripheral nodule is observed in the right upper lobe (13 mm x 11 mm in size) (arrowhead).. (C) The peripheral nodule in the right upper lobe decreased in size after the initiation of antimicrobial therapy (4 mm x 4 mm in size) (arrowhead).
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Chest computed tomography (CT) revealed peristernal fluid associated with an osteolytic lesion (Fig. 1A) and a peripheral nodule in the right upper lobe (13 mm x 11 mm in size) (Fig. 1B). On day 66, chest CT showed that the peripheral nodule in the right upper lobe had decreased in size to 4 mm x 4 mm (Fig. 1C).
Gram-positive rods were found in the bone tissue. (Gram stain, magnification 1000x).
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Incision and drainage were performed, and Gram staining of the drainage fluid and bone biopsy tissue showed the presence of Gram-positive rods only (Fig. 2).