Encephalomyelitis in a patient with monkeypox: an unusual complication.

A new outbreak of monkeypox has been reported worldwide with CNS complications like encephalitis or myelitis being extremely rare. We present a case of a 30-year-old man with PCR-confirmed diagnosis of monkeypox who developed rapid neurological deterioration with extensive inflammatory involvement of the brain and spinal cord on MRI. Because of the clinical and radiological resemblance to acute disseminated encephalomyelitis (ADEM), it was decided to indicate treatment with high-dose corticosteroids for 5 days (without concomitant antiviral management due to lack of availability in our country). Given the poor clinical and radiological response, 5 days of immunoglobulin G were administered. During follow-up the patient's clinical condition improved, physiotherapy was started and all associated medical complications were controlled. To our knowledge, this is the first reported monkeypox case with severe CNS complications treated with steroids and immunoglobulin in the absence of specific antiviral treatment. [ABSTRACT FROM AUTHOR]

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