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Published on: April 15, 2014
A Patient With Myelin Oligodendrocyte Glycoprotein Positive Encephalitis With Ring Enhancing Lesions on Magnetic
Jamie Jacobs1, Priscilla Vu1, Antonio K Liu2,3
1Internal Medicine, Adventist Health White Memorial, Los Angeles, USA.
Abstract:
Myelin oligodendrocyte glycoprotein (MOG) antibody has been associated with a wide range of neurological diseases, from neuromyelitis optica spectrum disorder to acute disseminated encephalomyelitis. However, MOG positivity with isolated encephalitis has been infrequently reported. MRI findings are usually of the demyelination type. In this case, we report on a patient with COVID-19 exposure who presented with altered mental status and multiple ring-enhancing lesions on MRI mimicking metastatic disease. Due to his unusual MRI findings and presentation, the correct diagnosis was not apparent until MOG antibody results came back positive.
Insights
Myelin oligodendrocyte glycoprotein (MOG) antibody-associated encephalitis is rare, especially with unusual MRI findings. This case highlights MOG antibody positivity in a patient with COVID-19 exposure presenting with altered mental status and ring-enhancing brain lesions.
Area of Science:
- Neurology
- Immunology
- Infectious Disease
Background:
- Myelin oligodendrocyte glycoprotein (MOG) antibody is linked to various neurological conditions.
- MOG antibody-associated encephalitis is infrequently reported, particularly with isolated presentations.
- Typical MRI findings involve demyelination.
Observation:
- A patient with COVID-19 exposure presented with altered mental status.
- Cerebral MRI revealed multiple ring-enhancing lesions, mimicking metastatic disease.
- The initial presentation and imaging findings obscured the diagnosis.
Findings:
- MOG antibody testing confirmed the diagnosis.
- This case demonstrates an unusual presentation of MOG antibody disease.
- The patient's presentation was atypical for MOG antibody-associated encephalitis.
Implications:
- This case expands the spectrum of MOG antibody disease presentations.
- It underscores the importance of considering MOG antibody testing in encephalitis, even with atypical MRI findings.
- Highlights the potential neuroinflammatory impact of viral infections like COVID-19.
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