Leigh syndrome mimicking neuromyelitis optica spectrum disorder (NMOSD).

Mult Scler

Queen Square Multiple Sclerosis Centre, UCL Queen Square Institute of Neurology, Faculty of Brain Sciences, University College London, London, UK/Department of Neurology, Great Ormond Street Hospital for Children, London, UK.

Published: June 2023

AI Article Synopsis

  • Two children were diagnosed with mitochondrial disease that showed symptoms similar to NMOSD, including brainstem and spinal cord issues.
  • The first child, 15 months old, fell ill after a fever, while the second, at 5 years old, experienced sudden vision loss.
  • Both tested negative for MOG and AQP4 antibodies and sadly passed away within a year; early genetic diagnosis is crucial for proper treatment and avoiding harmful medications.

Article Abstract

We report two children with molecularly confirmed mitochondrial disease mimicking Neuromyelitis Optica Spectrum Disorder (NMOSD). The first patient presented at the age of 15 months with acute deterioration following a pyrexial illness with clinical features localising to the brainstem and spinal cord. The second patient presented at 5 years with acute bilateral visual loss. In both cases, MOG and AQP4 antibodies were negative. Both patients died within a year of symptoms onset from respiratory failure. Arriving at an early genetic diagnosis is important for redirection of care and avoiding potentially harmful immunosuppressant therapies.

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Source
http://dx.doi.org/10.1177/13524585231172950DOI Listing

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