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Abstract Details

Tumefactive Acute Disseminated Encephalomyelitis After Recent COVID-19 Infection: A Case Report
Infectious Disease
Infectious Disease Posters (7:00 AM-5:00 PM)
062

To report a case of a patient with recent mild to moderate COVID-19 infection who developed tumefactive acute disseminated encephalomyelitis.
Not applicable

Patient data were obtained from medical records from the University of Wisconsin – Madison Hospitals in Madison, WI, USA.
We report a 59-year-old man who presented with ongoing cognitive changes and pneumonia. He was repeatedly COVID-19 positive with minimal symptoms for 4 weeks prior to admission. He had a past medical history notable for atrial fibrillation, biventricular pacemaker, end-stage renal disease secondary to idiopathic fibrillary glomerulonephritis, on hemodialysis awaiting transplantation.  While admitted, he developed progressive right sided hemiparesis and persistent, progressive encephalopathy manifesting primarily with disorientation, agitation, and aggression. CSF was notable for cell count of 7, protein of 48, and glucose of 65. Anti-MOG antibody and AQP-4 antibody were negative. A series of CT/CTA head imaging with and without contrast showed progressive multifocal supratentorial areas of white matter hypoattenuation, partially ring enhancing on contrasted portion of study. To better delineate these lesions, MRI head with and without contrast was performed and demonstrated progressive multi-focal large ovoid T2 FLAIR hyperintensities, consistent with tumefactive demyelinating disease. Significant improvement in mental status and right sided hemiparesis symptoms was observed with initiation of corticosteroids.
This case study provides neuroimaging evidence and clinical correlation to support that SARS–CoV-2 and resultant COVID-19 infection can lead to tumefactive acute disseminated encephalomyelitis. This complication has not been previously documented associated with recent COVID-19 infection.
Authors/Disclosures
Brian P. Kelley, DO (Medical College Of Wisconsin Affilitated Hospitals)
PRESENTER 		Mr. Kelley has nothing to disclose.
Benjamin Mixis, MD (Gundersen Health) Dr. Mixis has nothing to disclose.
Brad R. Beinlich, MD (Univ of Wisconsin Hospitals) Dr. Beinlich has nothing to disclose.
Sepideh Chagharvand, MD (UW health) Dr. Chagharvand has nothing to disclose.
Shawn Allen, MD Dr. Allen has nothing to disclose.