Abstract
INTRODUCTION:Nontuberculous mycobacteria (NTM) are ubiquitous organisms, commonly isolated from environmental sources, whose pathogenicity may vary according to the host's immune status. Pneumoconioses are caused by the inhalation and deposition of mineral dusts in the lungs, resulting in pulmonary fibrosis and other parenchymal changes. NTM pulmonary disease has been reported in patients with pneumoconiosis. M. triplex was first described in 1996 as slowly growing, nonpigmented mycobacteria resembling M. avium complex. M. triplex has been reported to cause episodic infection in those with immunocompromising diseases. We report the first case of Mycobacterium triplex isolated in a young man with biopsy proven Coal-workers pneumoconiosis.
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