A patient has infectious artheritis. What might have been some other conditions in the practitioner's differential diagnosis possibilities? Name at least 2.

Hemarthrosis, Foreign body, Osteoarthritis, Ischemic necrosis, Monoarticular RA, Gout, Aspergillus species, Cryptococcus neoformans, Nocardia species, Brucella species, Legg – Calve – Perthes disease, Osteoarthritis.