Introduction: Comamonas testosteroni is a gram-negative, aerobic, non-spored bacillus and is a pathogen with low virulence. This bacterium, which is not defined in the human endogenous flora, rarely causes infection, and can cause bacteremia, especially in immunosuppressive cases. In this study, we aimed to present the literature about that rare bacterium with this case.
Case: A 45-year-old male patient without co-morbidities was admitted to the emergency surgery clinic with the complaint of abdominal pain that had been going on for about one week. The patient had defense and tenderness in the abdominal right lower quadrant. The leukocyte count and the C-Reactive Protein value were elevated. Oral and intravenous contrast-enhanced abdominal computed tomography was reported as findings consistent with acute appendicitis with a retrocecal location of 18 mm in diameter and suspected distal perforation. Laparoscopic appendectomy was performed. Medical treatment was arranged in the form of intravenous ceftriaxone and metronidazole antibiotics. There was growth of comamonas testosteroni in the tissue culture. As the antibiogram results showed that it was resistant to aztreonam and sensitive to other antibiotics, the treatment was revised with intravenous ciprofloxacin with the recommendation of the infectious diseases clinic. On the post-operative third day, the patient, who had no active complaints, was discharged with surgical recovery.
Conclusion: Rare pathogens can be encountered in surgical pathologies. Taking tissue culture in operated cases may contribute to early recovery with appropriate antibiotic therapy. It can also help to isolate and better recognize rare pathogens. ORCID NO: 0000-0002-6491-7630
Anahtar Kelimeler: Comamonas testosteroni, Tissue culture, Antibiogram, Surgery
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