Volume 23, Number 11—November 2017
Dispatch
Pulmonary versus Nonpulmonary Nontuberculous Mycobacteria, Ontario, Canada
, Alex Marchand-Austin, Frances B. Jamieson, and Theodore K. Marras
Table
Average number of patients per year who had nontuberculous mycobacteria isolated, by body site and species/complex, Ontario, Canada, 1998–2010*
| Species | Pulm | Skin/soft tissue | MS | Lymph | Blood/marrow | GI/GU | CNS | Other |
|---|---|---|---|---|---|---|---|---|
| MAC | 1,328 | 8 | 1 | 2 | 17 | 18 | 0.8 | 3 |
| Mycobacterium xenopi | 568 | 0.2 | 0.3 | 0 | 0.3 | 10 | 0.2 | 0.5 |
| M. gordonae† | 338 | 0.2 | 0 | 0 | 0 | 6 | 0.1 | 0.3 |
| M. fortuitum | 131 | 2 | 0.8 | 0 | 2 | 3 | 0.2 | 1.2 |
| M. abscessus | 58 | 2 | 0.4 | 0.1 | 0.5 | 0.3 | 0 | 0.8 |
| M. chelonae | 40 | 3 | 1 | 0.2 | 0.5 | 0.7 | 0 | 1.0 |
| M. simiae complex | 42 | 0.6 | 0.3 | 0.1 | 0.5 | 0.7 | 0 | 0.5 |
| M. kansasii | 34 | 0.3 | 0.2 | 0 | 0.2 | 0.6 | 0 | 0.1 |
| M. marinum | 0 | 6 | 1.5 | 0 | 0 | 0 | 0 | 0.6 |
| Other‡ |
92 |
0.8 |
0.5 |
0.1 |
1 |
2 |
0.1 |
0.3 |
| All | 2,631 | 22 | 6 | 3 | 22 | 41 | 1 | 8 |
*Contemporary Ontario population 11.3–13.2 million. CNS, central nervous system; GI, gastrointestinal system; GU, genitourinary system; lymph, lymphatic system; MAC, Mycobacterium avium complex; MS, musculoskeletal system; pulm, pulmonary system.
†M. gordonae was excluded from the number of pulmonary disease cases but included in pulmonary and nonpulmonary isolation cases.
‡Other species most commonly identified (% of grand total over entire study period, average no. patients per year), for pulmonary isolates were M. mucogenicum (0.93%, 24.5), M. terrae complex (0.43%, 11.4), M. scrofulaceum (19%, 5), M. peregrinum (0.17%, 4.4), M. neoaurum (0.14%, 3.8), M. shimoidei (0.13%, 3.3), M. szulgai (0.12%, 3.2), M. celatum (0.09%, 2.4), M. malmoense (0.08%, 2.2), M. elephantis (0.08%, 2.1), and M. margeritense/M. smegmatis (0.06% each, 1.5 each) and for nonpulmonary isolates included M. mucogenicum (1.3%, 1.38), M. smegmatis (1.0%, 1.08), M. terrae complex (0.5%, 0.54), M. genavense (0.4%, 0.38), M. senegalense (0.2%, 0.23), M. malmoense/M. scrofulaceum/M. szulgai (0.15% each, 0.15 each), M. margeritense/M. shimoidei /M. elephantis (0.07% each, 0.08 each).