Post intramuscular injection wound with mycobacterial infection - treated by skin grafting

This is a patient referred to oped with infected wound right arm secondary to intramuscular injection. Prompt debridement is done and patient was kept on regular dressings. But the wound did not improve and further there was a fluffy growth appeared which on investigation was an atypical mycobacterium. Prompt Antitubercular therapy was started and within days the improvement of the wound was visible. After the wound was healthy enough to sustain a skin graft, Skin grafting was done and the grafts healed well as seen in the picture