A 52-year-old female presented to the emergency department for vertigo and sinus congestion.

A 16-year-old boy was referred for an urgent MRI neck, with subacute onset of general malaise, left-sided jaw pain, and swelling over the left parotid gland.

An 80-year-old man was found down and unconscious.

A 24-year-old woman presented with complaints of swelling in the left frontal region of the scalp and visual disturbances lasting two months.

A 58-year-old man presented with altered mental status.

A 54-year-old man presented for wisdom tooth extraction when the dentist noticed a right mandibular mass surrounding the second molar (tooth #31).

An otherwise clinically well 13-year-old girl presented with a highly unusual case of rapid-onset facial swelling and limited eye-opening.

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.