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Journal of Clinical Microbiology, June 1999, p. 2106-2108, Vol. 37, No. 6
Erie County Medical
Center3 and Departments of
Medicine,2
Microbiology,5
Pathology,1 and
Urology,4 School of Medicine and
Biomedical Sciences, University at Buffalo, Buffalo, New York
14215
Received 21 September 1998/Returned for modification 10 November
1998/Accepted 18 March 1999
We report a case of Mycobacterium bovis BCG vertebral
osteomyelitis in a 79-year-old man 2.5 years after intravesical BCG therapy for bladder cancer. The recovered isolate resembled M. tuberculosis biochemically, but resistance to pyrazinamide (PZA) rendered that diagnosis suspect. High-pressure liquid chromatographic studies confirmed the diagnosis of M. bovis BCG infection.
The patient was originally started on a four-drug antituberculous regimen of isoniazid, rifampin, ethambutol, and PZA. When
susceptibility studies were reported, the regimen was changed to
isoniazid and rifampin for 12 months. Subsequently, the patient was
transferred to a skilled nursing facility for 3 months, where he
underwent intensive physical therapy. Although extravesical adverse
reactions are rare, clinicians and clinical microbiologists need to be
aware of the possibility of disseminated infection by M. bovis BCG in the appropriate setting of clinical history,
physical examination, and laboratory investigation.
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Mycobacterium bovis BCG Causing
Vertebral Osteomyelitis (Pott's Disease) Following Intravesical
BCG Therapy
*
Corresponding author. Mailing address: Department of
Laboratory Medicine, Erie County Medical Center, 462 Grider St.,
Buffalo, NY 14125. Phone: (716) 898-3114. Fax: (716) 898-3090. E-mail: AMSTERDAM{at}LAB.ECMC.EDU.
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