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

Which component of the ostiomeatal complex is marked with the white circle on this image?

Which of the following describe features seen in sarcoidosis?

Which of the following structures is located in the middle cranial fossa?

Which of the following statements about Onodi cells (sphenoethmoidal air cells) is INCORRECT?

A 35-year-old male presents with unilateral hearing loss and otorrhea. Which of the following is the most likely diagnosis from this image?

At which level is the esophagus narrowest?

Which of these structures may be removed during a selective neck dissection?

What line is the default axial plane for MRI of the brain?

What structure is indicated by the blue arrow?

What structure is indicated by the blue arrow?

A young adult male, previously well, dived into a shallow pool striking their head on the bottom. They were brought to the emergency department and underwent the non-contrast CT shown. 

The abnormality most likely represents a... 

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?

Lateral cervical radiograph in a young adult with neck pain. Which of the following best accounts for the arrowed density seen below the anterior arch of C1?

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?

Which of the following nerves passes through the indicated structure?

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?

If a suprahyoid neck mass extends through foramen ovale, it most likely arises from which space?

Which imaging feature is most suggestive of a carotid space mass?

During ultrasound of the neck, the relationship of which two structures is a useful surrogate for the margin between level III and level IV?