PMC4532100_01
Chest roentgenogram showed patch infiltration in right upper lung field and haziness in right lower lung field at beginning.
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C, difficulties in breathing developed. Chest X-ray showed hazy infiltration on right lower lung field and patch infltration in right upper lung field (Fig. 1).
Chest X-ray revealed diffuse hazy infiltration in bilateral lung rields.
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Six days later, chest X-ray changed to diffuse haziness in both lung fields (Fig. 2).
Direct immunofluorescent antibody test of the sputum revealed L. Pneumophila (serogroup 2).
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No microorganism was isolated on blood culture, but legionella was cultured from sputum, which was identified as L.pneumophila by direct immunofluorescent antibody test (Fig. 3).