1887

Abstract

Introduction:

is an uncommon sp., first described in 2006. We report a case of pulmonary infection due to this organism, which became evident after treatment of antecedent pneumococcal pneumonia.

Case presentation:

A 68-year-old man was hospitalized because of pneumococcal pneumonia. Although his symptoms improved immediately after administration of anti-pneumococcal antibiotics, patchy opacity on the chest X-ray remained and pyrexia recurred. Administration of trimethoprim/sulfamethoxazole, given after seropositivity against human immunodeficiency virus type 1 was confirmed and -like organisms were detected from the sputa, completely resolved his symptoms. The recovered organism was identified as by comparison of 16S rRNA gene sequences.

Conclusion:

To the best of our knowledge, only six other cases of infection have been described. Most of these cases were reported from Japan, suggesting that the organism is more prevalent in this country than in other areas. The present case also highlights that underlying nocardiosis should be considered when an immunocompromised patient with acute bacterial pneumonia demonstrates refractory respiratory manifestations, despite receiving appropriate treatments.

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2015-08-01
2020-01-25
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