Iranian Journal of Medical Microbiology

Background and Aim: Gordonia bronchialis is a saprophytic bacterium, but the incidence of infections caused by it is increasing. We report a rare case of arthritis caused by Gordonia bronchialis in a patient with hip involvement.
Case Presentation: A 66-year-old female patient with complaints of pain in the right hip joint and right groin area sought medical help 10 months after the endoprosthetics surgery. Physical examination did not reveal local inflammatory processes, but blood tests revealed increased inflammation markers. To verify the diagnosis, a hip puncture was performed with subsequent bacteriological examination, including using the MALDI-TOF mass spectrometry method, which resulted in the detection of Gordonia bronchialis.
Conclusion: The patient underwent surgical treatment – a two-stage revision endoprosthetics of the right hip joint. In the postoperative period, the patient received parenteral antibiotic therapy with vancomycin and ciprofloxacin. Upon discharge, oral ciprofloxacin was prescribed for six weeks. A control hip joint aspiration revealed no microbial growth in the synovial fluid. The periprosthetic joint infection was controlled, and the patient was approved for the second-stage operation.