A 65-year-old woman presented with abnormal movements of the left arm.

A teenage boy presented with facial pain and headache.

A 28-year-old woman presented with headache and neurologic deficits.

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.

An 18-year-old woman presented with dizziness.

A 53-year-old woman presented with epistaxis, nasal congestion, and cough.  

69-year-old woman presented with acute onset confusion and memory loss.

A 44-year-old man presented with a one-month history of unsteady gait and recurring falls.

A 40-year-old man presented with sensorineural hearing and vision loss. There was retinal tortuosity and iris atrophy on physical examination.

A 60-year-old woman with a past medical history of hypertension and type 2 diabetes mellitus presented with diabetic ketosis, later developing right-eye proptosis, swelling, and blurry vision.  

A 75-year-old man presented with dizziness and left-side tinnitus.

A 54-year-old man with a previous medical history of malignant hypertension, systemic lupus erythematosus (SLE), and stage IV chronic kidney disease (CKD IV)  presented with type B dissection in the setting of severe hypertension and new-onset loss of vision.

A 61-year-old man presented with a fever, neck pain, and a palpable neck mass.

A 66-year-old woman presented with gradually worsening vision.

60-year-old woman presented with unilateral arm/leg weakness.

A 68-year-old man with a prior history of brain surgery presented with unsteady gait and occasional headaches.

A 66-year-old man presented with chronic sinusitis. 

A 38-year-old man presented with back pain, radiculopathy, and fever.

An 84-year-old man presented with a four-month history of hoarseness following urologic surgery.