“…After ruling out trauma, the possibility of chronic recurrent multifocal osteomyelitis needs to be considered as well as rheumatoid arthritis, ischemic necrosis, congenital anomalies, and neoplastic conditions, such as Ewing sarcoma, multiple myeloma, lymphoma, eosinophilic granuloma, aneurysmal bone cyst, hemangioma, and osteoid osteoma among others be ruled out. [4][5][6] The most frequent microorganism in any type of osteomyelitis and seen in the patient is Staphylococcus aureus. The second most common after 6 years of age are Group A streptococci, and Pseudomonas aeruginosa (almost exclusively in puncture wounds).…”