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Open Access Highly Accessed Case report

Kocuria varians infection associated with brain abscess: A case report

Cheng-Yu Tsai1, Shou-hsin Su2, Yu-Hsin Cheng3, Yu-lin Chou1, Tai-Hsin Tsai1 and Ann-Shung Lieu1*

Author Affiliations

1 Division of Neurosurgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan

2 Department of Internal Medicine, Kaohsiung Municipal United Hospital, Kaohsiung, Taiwan

3 Department of Nursing, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan

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BMC Infectious Diseases 2010, 10:102  doi:10.1186/1471-2334-10-102

Published: 27 April 2010



Kocuria, established by Stackebrandt et al., previously was classified into Micrococcus. Only two species, K. rosea and K. kristinae are reported to be associated as pathogenic and found with catheter-related bacteremia and acute cholecystitis.

Case presentation

We herein report the first case of brain abscess caused by Kocuria varians, a gram-positive microorganism, in a 52-year-old man. Hematogenous spread is the probable pathogenesis.


This report presents a case of Kocuria varians brain abscess successfully treated with surgical excision combined with antimicrobial therapy. In addition, Vitek 2 system has been used to identify and differentiate between coagulase-negative staphylococcus.