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Department of Medicine, Faculty of Medicine

Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society

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Streptococcus pneumoniae (Meningitis)

20/12/2011
By admin

A 56-year-old Thai woman, with history of acute otitis media 3 weeks ago, developed acute fever and headache 2 days ago, and then she lost consciousness for 2 hours.

Diagnosis: Acute bacterial meningitis

Lumbar puncture was done. Her CSF and blood culture grew the same orgainsm.

The following pictures are the results of her CSF and blood culture.

CSF and blood cultures – Streptococcus pneumoniae

Remark: Since 2008, the Clinical and Laboratory Standards Institute (CLSI, formerly NCCLS) has separated the penicillin parenteral MIC breakpoints of Streptococcus pneumoniae into for meningitis (S ≤ 0.06, R ≥ 0.12 mcg/ml) and non-meningitis (S ≤ 2, I = 4, R ≥ 8 mcg/ml).

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Microbiology