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Kocuria varians infection associated with brain abscess: a case report.

Tsai CY, Su SH, Cheng YH, Chou YL, Tsai TH, Lieu AS - BMC Infect. Dis. (2010)

Bottom Line: Only two species, K. rosea and K. kristinae are reported to be associated as pathogenic and found with catheter-related bacteremia and acute cholecystitis.Hematogenous spread is the probable pathogenesis.In addition, Vitek 2 system has been used to identify and differentiate between coagulase-negative staphylococcus.

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Affiliation: Division of Neurosurgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.

ABSTRACT

Background: 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.

Conclusions: 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.

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Vitek 2 lab reported organism is kocuria varians
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Figure 3: Vitek 2 lab reported organism is kocuria varians

Mentions: Culture of brain abscess was performed with sheep blood agar, eosin methylene blue agar and chocolate agar. The plates were incubated at 35 degrees for 48 hours. Anaerobic culture was performed on Bacteroides Bile Esculin agar and incubated at 35 degrees for 48 hours. Gram-positive cocci arranged in tetrads and non-hemolytic, catalase positive, coagulase negative and nonmotile were found. (Fig 2). Anaerobic culture did not find any anaerobic microorganism activity. Identification was performed using the Biome Rieux Vitek 2 system. The isolate was identified as Kocuria varians with very good validity (Fig 3). A useful alternative means of identification, 16s RNA was not performed. The antibiotics sensitivity was performed and sensitive to penicillin, cloxacillin, cefmetazole, clindamycin, Meropenum, penicillin G, Ampicillin/sulbactan, Piperacillin/tazobactam.


Kocuria varians infection associated with brain abscess: a case report.

Tsai CY, Su SH, Cheng YH, Chou YL, Tsai TH, Lieu AS - BMC Infect. Dis. (2010)

Vitek 2 lab reported organism is kocuria varians
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2875226&req=5

Figure 3: Vitek 2 lab reported organism is kocuria varians
Mentions: Culture of brain abscess was performed with sheep blood agar, eosin methylene blue agar and chocolate agar. The plates were incubated at 35 degrees for 48 hours. Anaerobic culture was performed on Bacteroides Bile Esculin agar and incubated at 35 degrees for 48 hours. Gram-positive cocci arranged in tetrads and non-hemolytic, catalase positive, coagulase negative and nonmotile were found. (Fig 2). Anaerobic culture did not find any anaerobic microorganism activity. Identification was performed using the Biome Rieux Vitek 2 system. The isolate was identified as Kocuria varians with very good validity (Fig 3). A useful alternative means of identification, 16s RNA was not performed. The antibiotics sensitivity was performed and sensitive to penicillin, cloxacillin, cefmetazole, clindamycin, Meropenum, penicillin G, Ampicillin/sulbactan, Piperacillin/tazobactam.

Bottom Line: Only two species, K. rosea and K. kristinae are reported to be associated as pathogenic and found with catheter-related bacteremia and acute cholecystitis.Hematogenous spread is the probable pathogenesis.In addition, Vitek 2 system has been used to identify and differentiate between coagulase-negative staphylococcus.

View Article: PubMed Central - HTML - PubMed

Affiliation: Division of Neurosurgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.

ABSTRACT

Background: 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.

Conclusions: 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.

Show MeSH
Related in: MedlinePlus