A 61-year-old man presented with aphasia and confusion.

A 62-year-old man presented with bilateral sensorineural hearing loss.

A 90-year-old man presented to the emergency department with two months of enlarging left neck mass and loss of appetite.

A previously healthy 10-year-old boy underwent an MRI scan for nonspecific headaches.

A 47-year-old woman presented with confusion and memory loss.

63-year-old woman presented with hearing loss, left more than right.

A 25-year-old man presented to the emergency department (ED) with diffuse abdominal pain. His past medical history was significant for familial adenomatous polyposis and prior total colectomy without evidence of colon cancer on pathology.

A 25-year-old woman presented to the emergency department due to sudden onset severe left-sided headache and nausea for one day as well as intermittent left-eye blurry vision for two months.

A 56-year-old man presented with altered mental status. He was two months status post left decompressive hemicraniectomy for a subdural hematoma after a fall.

A 70-year-old man with a past medical history significant for coronary artery disease (CAD) and gastroesophageal reflux disease (GERD) presented to the emergency department with a chief complaint of confusion.

A 41-year-old man with a past medical history significant for a low-grade (WHO grade 2) astrocytoma status post resection and radiotherapy six years prior and stable follow-up scans since that point presented with seizures.

A 57-year-old woman presented with right-sided blurry vision and sensitivity to light.

A 71-year-old woman presented to the emergency department due to altered mental status and dysarthria.

A 40-year-old woman presented with a palpable neck mass.

A 53-year-old man with no significant past medical history presents with a few days of worsening left-sided neck pain and swelling.

A 68-year-old man with progressive conductive hearing loss in both ears for six years.

A 35-year-old woman presented with acute progressive right-sided radiating neck pain.

A 64-year-old woman presented to the emergency department with swelling over the jaw and right-sided facial pain.

A 47-year-old woman with a history of IV drug use presented with worsening neck swelling and pain with subjective fevers over the previous few days.

A 32-year-old woman with a past medical history of parathyroid adenoma status post resection 13 years prior presented to her outpatient endocrinology clinic with findings of elevated ionized calcium and PTH.