Colonisation of atypical mycobacteria in the normal respiratory tract
Kotian, Mohan; Shivananda, P.G.; Elias, Lalitha; Babu, Harish and Achyutha Rao, K.N. (1983) Colonisation of atypical mycobacteria in the normal respiratory tract. Indian Journal of Tuberculosis, 30 (4). pp. 149-151.
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Sputum samples and throat washings were obtained from 200 randomly selected persons free from chronic upper or lower respiratory diseases. Five percent of these normal healthy individuals from the coastal region of Karnataka harboured species of atypical mycobacteria in their respiratory tract. In all of them, colony count was low on L..J Media and isolation was better in Kirchners media. This shows that isolation of atypical mycobacteria may be a normal finding in some individuals. These atypical mycobacteria found as commensals could be transported to the lungs causing nontuberculous pulmonary disease particularly in patients with chronic nonspecific respiratory diseases (CNSRD) or with healed lesions of pulmonary tuberculosis.
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