DisseminatedMycobacterium fortuitum infection in a young girl withIFN-γR1 defect masquerading as histiocytosisArchan Sila, Suprit Basua, Jhumki Dasa, Sunil Sethib, Debajyoti Chatterjee c, Pandiarajan Vignesha, Deepti Suria, Ankur Kumar Jindala*aAllergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India- 160012bDepartment of Medical Microbiology, Post Graduate Institute of Medical Education and Research, Chandigarh, India- 160012cDepartment of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India- 160012