Pulmonary Nodule due to Mycobacterium haemophilumin an Immunocompetent Host
- 1 October 1999
- journal article
- case report
- Published by American Thoracic Society in American Journal of Respiratory and Critical Care Medicine
- Vol. 160 (4), 1366-1368
- https://doi.org/10.1164/ajrccm.160.4.9904003
Abstract
We present a case of a pulmonary nodular lesion in an immunocompetent patient documented at open lung biopsy to be due to Mycobacterium haemophilum. This organism has recently been recognized as a cause of disease in immunocompromised patients, presenting predominantly as skin lesions, arthritis, and rarely pneumonia. Because this mycobacterium is fastidious and difficult to grow without the use of special media and conditions, our case raises the possibility that M. haemophilum could be an underrecognized cause of granulomatous pulmonary lesions and should be considered particularly in cases where smears for acid-fast bacteria are positive but cultures are negative.Keywords
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