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Table 1 Three Types of Central Nervous System Bacillus cereus Infection

From: Survival of a case of Bacillus cereus meningitis with brain abscess presenting as immune reconstitution syndrome after febrile neutropenia – a case report and literature review-

 Post-Surgical Procedure/Device InfectionNeonatal InfectionSevere Neutropenia
Risk PopulationOmmaya reservoirPremature birth: 32 (27–36) weeksWBC count <100/uL
Post intrathecal injectionLow body weight infant:1500 (830–3760) gInduction therapy against AML
Disease OnsetSeveral days after procedures7 (1–49) days after birthAround 10 days of neutropenia
Mode of InfectionMeningitisMeningoencephalitisNecrotizing meningoencephalitis
Ventriculitis Cerebral hemorrhage
Brain abscess Subarachnoid hemorrhage
Clinical Course and PrognosisResponds well to antimicrobial therapyProgresses within hoursProgresses within hours
Leads to death within daysLeads to death within days
Cerebrospinal Fluid FindingsUp to 105 cells /mm3Around 102–3 cells /mm3Around 102 cells /mm3
Mortality rateLow75% (12/14 cases)79% (11/14 cases)
References33, 43, 6–14