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Table 2 Clinically significant NTM (pulmonary and extra-pulmonary) isolates and their distribution among patients according to specimen type

From: Identification of non-tuberculous mycobacteria isolated from clinical specimens at a tertiary care hospital: a cross-sectional study

Specimen/number of specimens Specimen AFB smear NTM isolated
Pulmonary isolates
Sputum/2 Numerous AFB M. fortuitum
Sputum/1 Moderate AFB M. mucogenicum
Sputum/2 Few AFB M. smegmatis
Sputum/4 Numerous AFB MAC
Sputum/1 Numerous AFB SGM
Sputum/1 Numerous AFB SGM
Sputum/1 Numerous AFB MAC
Sputum/1 Negative SGM
BAL/1 Numerous AFB SGM
Sputum/1 Few AFB SGM
Sputum/2 Few AFB MAC
Sputum/1 Negative MAC
Extra-pulmonary isolates
Pus/2 Negative M. mucogenicum
Pus/2 Negative M. chelonae/abscessus
Synovial fluid, synovium & granulation tissue/3 Negative M. fortuitum
Lymph node pus/1 Numerous AFB MAC
Pus/1 Negative MAC
  1. NTM, non-tuberculous mycobacteria; MAC, Mycobacterium avium complex; AFB, acid fast bacilli; BAL, bronchoalveolar lavage; SGM, slow growing mycobacteria.