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Rare disease
Pneumonia caused by Mycobacterium smegmatis in a patient with a previous gastrectomy
  1. Michael Driks1,
  2. Frank Weinhold2,
  3. Quintin Cokingtin3
  1. 1Infectious Disease Associates of Kansas City, Kansas City, Missouri, USA
  2. 2Department of Pharmacy, Menorah Medical Center, Overland Park, Kansas, USA
  3. 3Metropolitan Pulmonary and Hospital Medicine, Lee's Summit, Missouri, USA
  1. Correspondence to Frank Weinhold, fweinhold{at}


Mycobacterium smegmatis pneumonia is rare, with only five cases reported in literature. The authors report a case in an adult male with a history that includes total gastrectomy. A transbronchial biopsy revealed non-caseating granuloma. Broncho-alveolar lavage culture identified M smegmatis. This case meets all 2007 American Thoracic Society criteria for the diagnosis of atypical mycobacterial pneumonia. The patient responded to a long course of trimethoprim/sulfamethoxazole and ciprofloxacin.

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  • Competing interests None.

  • Patient consent Obtained.

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