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Suspected bacterial meningoencephalomyelitis as the trigger or presentation of neuromyelitis optica spectrum disorder flare.
BACKGROUND: Suspected bacterial meningoencephalomyelitis as the presentation or trigger of neuromyelitis optica spectrum disorders (NMOSD) flare has not been reported in literature.
CASE PRESENTATION: A 29 year old female, who has a history of neuromyelitis optica spectrum disorder (NMOSD) for 6 years, presented with symptoms of meningitits, encephalitis, myelitis, headache and fever. Cerebrospinal fluid analysis revealed pleocytosis (1131 × 106 /L [83% neutrophils]) and a glucose level of 39.6 mg/dl. Magnetic resonance imaging revealed lesions in the cervical cord, medulla, right frontal-parietal lobe, and corpus callosum. Serum anti-aquaporin-4 (AQP-4) antibody was positive. An initial diagnosis of bacterial meningoencephalomyelitis was considered. Despite broad-spectrum antimicrobial therapy, her neurologic symptom continued to deteriorate. Intravenous gamma immunoglobulin and methylprednisolone was initiated, which improved her symptoms rapidly.
CONCLUSION: Suspected bacterial meningoencephalomyelitis as the presentation or trigger of NMOSD flare was considered in our case. Literature review revealed that bacterial meningitis-like presentation was a rare presentation in the attack phase of NMOSD. Corticosteroid therapy should be initiated in such cases.
CASE PRESENTATION: A 29 year old female, who has a history of neuromyelitis optica spectrum disorder (NMOSD) for 6 years, presented with symptoms of meningitits, encephalitis, myelitis, headache and fever. Cerebrospinal fluid analysis revealed pleocytosis (1131 × 106 /L [83% neutrophils]) and a glucose level of 39.6 mg/dl. Magnetic resonance imaging revealed lesions in the cervical cord, medulla, right frontal-parietal lobe, and corpus callosum. Serum anti-aquaporin-4 (AQP-4) antibody was positive. An initial diagnosis of bacterial meningoencephalomyelitis was considered. Despite broad-spectrum antimicrobial therapy, her neurologic symptom continued to deteriorate. Intravenous gamma immunoglobulin and methylprednisolone was initiated, which improved her symptoms rapidly.
CONCLUSION: Suspected bacterial meningoencephalomyelitis as the presentation or trigger of NMOSD flare was considered in our case. Literature review revealed that bacterial meningitis-like presentation was a rare presentation in the attack phase of NMOSD. Corticosteroid therapy should be initiated in such cases.
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