Report of 4 cases of Pasteurella multocida septic arthritis.

Pasteurella multocida is frequently responsible for infections in man due to wounds inflicted by animals (generally cats or dogs). However, the development of septic arthritis is a rare complication. We report 4 cases of Pasteurella multocida septic arthritis with demonstration of the organism in the joint in each case. Two cases presented with monoarthritis (sternoclavicular joint and wrist) and 2 cases had polyarticular involvement from the outset.