Case Presentation: A four-year-old previously healthy, vaccinated female presented with severe, acute-onset ataxia. She was in her usual state of health until the day prior to presentation, when she was picked up from school and reported feeling like she was going to fall. She continued to develop progressive unsteadiness and experienced several falls throughout the [...]

Case Presentation: A 57-year-old male came to the hospital after he noticed dysarthria and progressive bilateral arm and leg weakness, with sensory changes that were progressive over 2 months. At the time of his presentation, his functional status had diminished- he had to use a cane to ambulate. His medical history was pertinent for HIV, [...]