Pneumonia and bacteremia due to Kytococcus schroeteri

Kytococcus schroeteri, a saprophyte of the human skin, may cause serious infections in the immunocompromised host. Here, we describe a case of pneumonia and bacteremia due to Kytococcus schroeteri in an immunocompromised patient, successfully treated with linezolid and trimethoprim-sulfamethoxazole. CASE REPORT A 43-year-old woman diagnosed with acute myeloid leuke-mia (AML) received induction therapy with daunorubicin and cytarabin with poor response and was given a new induc-tion therapy with fludara, cytarabin, and idarubicin. She was also treated with flucloxacillin and ciprofloxacin due to a breast abscess. Ten days later, the patient was readmitted to hospital because of neutropenic fever. Chest X-ray showed a small in-filtrate in the right lung, and antibiotic therapy with piperacillin-tazobactam was initiated. A chest computed to-mography (CT) scan performed 4 days later showed three small, dense infiltrates in the middle and lower lobe in the right lung. Bronchoscopy with bronchoalveolar lavage (BAL) wa