A 56-year-old woman with slow cognitive decline.

A 38-year-old woman with hypertension, abdominal distension, and a history of chronic kidney disease.

A 65-year-old woman with a long history of pulsatile tinnitus.

A 73-year-old man with chronic difficulty swallowing.

A 62-year-old woman with abdominal pain, vomiting, and occasional diarrhea.

A 68-year-old man with urinary retention and a history of prostate cancer.

A 48-year-old woman with a history of breast cancer undergoing a bone scan.

A 35-year-old woman with weight loss and anxiety for two months.

A 60-year-old woman with metastatic lung cancer presenting for restaging.

A 60-year-old woman with headache and history of metastatic lung cancer.

A 76-year-old man from a long-term acute care facility with persistent tachycardia.

A 64-year-old man with elevated parathyroid hormone and calcium levels.

A 65-year-old man with a fever of unknown source and prior history of peripheral vascular disease.

A 40-year-old man with weight loss, fatigue, and decreased serum thyroid-stimulating hormone.

A 59-year-old man with right arm pain in the absence of a fall.

A 52-year-old woman with new-onset hypercalcemia and laboratory evidence of primary hyperparathyroidism.

A 45-year-old woman with bilateral flank pain and history of frequent urinary tract infections.

A 42-year-old man with new right neck fullness.

A 55-year-old man with unilateral parkinsonism a decade after significant head trauma.

A 72-year-old woman exhibiting word-finding difficulties and ritualistic behaviors.