This document discusses four types of lesions caused by atypical mycobacteria: lymphadenopathy caused by M. scrofulaceum and M. avium intracellulare, pulmonary disease caused by M. avium intracellulare, M. kansasii, M. xenopi, and M. simiae, skin lesions including Buruli ulcer commonly affecting specific sites and progressing in characteristic ways, and disseminated disease in AIDS patients caused by M. avium intracellulare and in non-AIDS patients caused by M. avium intracellulare and M. chelonei.

1. Lesions by atypical mycobacterium AMAN MAURYA Roll no. 10

2. Four types: Lymphadenopathy Pulmonary disease Skin disease Disseminated disease 2

3. lymphadenopathy M. scrofulaceum M. avium intracellulare 3

4. 4

5. Pulmonary disease M. avium intracellulare M. kansasii M. xenopi M. simiae 5

6. 6

7. Skin lesions Buruli ulcer: Most common site Characteristic Progression Healing Swimming pool granuloma Causative agent Lesion Post injection abscesses M. fortuitum 7

8. 8

9. 9

10. Disseminated disease AIDS related – M. avium intracellulare Non- AIDS related – M. avium intracellulare and M. chelonei 10

11. 11