A 37-year-old woman presented with dry mouth and mild firmness along both cheeks. Her history was significant for thyroid cancer, status post-thyroidectomy and radioactive iodine ablation therapy in the previous year. Since then, her dry mouth had been progressively worsening.

A 37-year-old woman with worsening lethargy, mental status change, and incontinence after a fall.

A 37-year-old man with vision difficulty.

A 36-year-old woman with worsening headaches, blurry vision, and arm weakness.

A 36-year-old woman with eye pain, blurry vision, and vision flashes.

A 36-year-old woman with progressive ataxia and right hand tremor.

A 36-year-old woman undergoing brain MRI. History withheld.

A 36-year-old man with new-onset seizures.

A 36-year-old man with headache, acute confusion, and several months of upper extremity tremors.

A 35-year-old woman with severe right-sided tinnitus for the past month.

A 35-year-old man with headaches, focal seizures, and confusion after coming back from São Tomé and Príncipe.

A 35-year-old man with rapid-onset confusion and drooling.

A 35-year-old man with progressive headache and left-sided facial numbness.

A 34-year-old man presents with recurrent seizures.

A 34-year-old man with gradual-onset involuntary movement and gait abnormality.

A 34-year-old HIV-positive woman with persistent headache.

A 34-year-old HIV-positive man with confusion and gait difficulty.

A 33-year-old woman status post motor vehicle collision.

A 33-year-old man with a chronic headache that acutely worsened.

A 33-year old man with progressive, bilateral vision loss for the past several months.