Letter to the Editor

Urinary Atypical Mycobacterium Infection

Authors: Viroj Wiwanitkit, MD


To the Editor:

I read the recent publication by Lin et al1 on urinary Mycobacterium szulgai infection with a great interest. Indeed, this nontuberculosis (non-TB) Mycobacterium infection, similar to other non-TB agents, is well described for induction of lung infection. Thomson and Yew2 noted that attention to pulmonary hygiene and underlying diseases without immediate antimycobacterial therapy may be more appropriate in some cases. Thomson and Yew2 also noted that a considerable proportion of apparently immunocompetent patients with this infection appeared to be rising.2 Focusing on the urinary atypical Mycobacterium infection, there are continuous case reports. For example, the first case report of urinary Mycobacteria gordonae infection was reported in January 2009. It seems that there will be increased reports on urinary atypical Mycobacterium infections.3 This might be due to more concern of the present physician on these neglected Mycobacterium infections.

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1. Lin JN, Lai CH, Chen YH, et al. Urinary Mycobacterium szulgai infection in an immunocompetent patient. South Med J. 2009;102:979–981.
2. Thomson RM, Yew WW. When and how to treat pulmonary non-tuberculous mycobacterial diseases. Respirology 2009;14:12–26.
3. Brener ZZ, Zhuravenko I, Bergman M. Acute kidney injury in a patient with nontuberculous mycobacterial infections: a case report. Cases J 2009;2:83.