Pulmonary cavitary disease due to Mycobacterium xenopi

Non-tuberculous mycobacteria are a significant cause of pulmonary infections worldwide and can be clinically challenging. Mycobacterium xenopi (M. xenopi) has a low pathogenicity and usually requires immunosuppression or lung diseases. We describe herein a scarce case of pulmonary cavitary disease attributed to M. xenopi in a 57-year-old Caucasian patient with underlying structural lung disease successfully treated with rifampicin, ethambutol, clarithromycin, and amikacin.