M abscessus, identified by hps65 gene sequencing(100% homology, grew in blood and joint fluid cultures(BacT/ALERT system; Biome rieUx, Marcy-l'E toile, France) susceptibility testing was performed using the broth microdilution method with 10 drugs based on the recommendations of the Clinical and Laboratory standards Institute M24-A26 TABLE 1. Minimum Inhibitory Concentrations Using the Broth Microdilution method Antimicrobial Agent MIC,μg/mL Amikacin Cefoxitin 128 profoxac Clarithromycin Doxycycline >16 Imipenem Moxifloxacin Trimethoprim-sul famethoxazole >8/152 Tobramycin MIC=minimum inhibitory concentration´ M abscessus, identified by hps65 gene sequencing (100% homology), grew in blood and joint fluid cultures (BacT/ALERT system; Biome ´rieux, Marcy-l’E ´toile, France). ´ susceptibility testing was performed using the broth microdilution method with 10 drugs based on the recommendations of the Clinical and Laboratory Standards Institute M24-A26