| Introduction |
 Organisms include
- M. marinum (fresh and salt water)
- M kansasii (soil)
- M terrae (soil)
- M. avium intracellulare (found in soil, poultrymost common in terminal AIDS patients)
- Often seen in immunocompromised host
- Involves wrist and hand in 50% of cases
- Mortality rate is 32%
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| Evaluaition |
- Diagnosis based on biopsy for histopathology
- AFB stain
- Lowenstein-Jensen culture agar at 30° C
- Cultures and sensitvities are critical
- CXR mandatory to rule out hematogenous spread
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| Treatment |
- Operative
- I&D may be required followed by oral antibiotics ( rifampin, ethambutol, tetraycline)
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