Abstract

Pseudomonas otitidis bacteremia is rare. We herein report a case of bacteremia caused by P. otitidis in a patient with advanced appendiceal cancer. A 79-year-old Japanese man developed infection when he was admitted to our hospital for palliative care. Blood culture revealed the presence of Pseudomonas spp. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry was used to identify the organism accurately. The patient was treated with a two-week course of piperacillin/tazobactam, and the bacteremia was successfully controlled. Clinicians should be aware that P. otitidis can cause bacteremia, particularly in immunocompromised patients.

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