When suspecting metastatic nodal disease of the parotid gland, a history of cancer in which location would be the most suspicious?

Which of these salivary gland tumors has the most propensity for perineural tumor spread?

An 80-year-old woman known for a chronic bone disorder with markedly elevated serum alkaline phosphatase. What is the most likely chronic bone disease shown on her lateral skull radiograph?

A 40-year-old man with end-stage renal disease on continuous ambulatory peritoneal dialysis (CAPD). which complication has occurred in this patient and shown on this selected enhanced CT image?

A 40-year-old man presented with a few days' history of left orbital pain and visual loss. An MRI was performed. What is the most likely diagnosis shown on this selected enhanced coronal T1 FS image?

This 30-year-old woman presents with sudden onset abdominal pain and distension. What is your favored diagnosis? 

A 35-year-old man presents with complaints of diarrhea and bleeding per rectum. A single spot double-contrast barium enema image is presented. What is the most likely diagnosis?

Which of the following brain tumors is typically associated with the presence of Rosenthal fibers?

Which of the following is the most common location of a central neurocytoma?

This adolescent presents with left anterior knee pain. They are on no medications. A plain film is normal and subsequent imaging is performed. Given the appearance of the CT, what should be done next (imaging/treatment)?

A 40-year-old woman with medically refractory epilepsy has an MRI. This shows a T2W hyperintense region at the right posterior insula, which incompletely suppresses on FLAIR at the periphery. There is no enhancement following intravenous contrast administration. What is the most likely lesion causing this patient's seizures?

A 20-year-old man presents with fever, night sweats and hemoptysis. Based on the history and the chest x-ray what is the most likely diagnosis?

A patient undergoes a F18-FDG PET-CT study for suspected large vessel vasculitis. The imaging shows periarticular increased uptake at the shoulder, hip and sternoclavicular joints, as well as abnormal uptake between the spinous processes of the lumbar spine. What associated condition does the patient have?

What is the most likely cause of this large bowel obstruction with transition point at the splenic flexure on this coronal image?

A 70-year-old retired male smoker with shortness of breath. What is the abnormality shown on this frontal chest radiograph?.

A 40-year-old woman with a history of dysphagiia for both solids and liquids. A barium meal was performed. What is the most likely diagnosis shown on this selected image?