A 43-year-old healthy businessman presents for ultrasound of a new painless neck mass, revealing a 1.5 cm cystic lesion posterior to his right submandibular gland. What do you recommend?

Which cranial nerve descends vertically through the neck between the structure indicated by the blue arrow and the internal carotid artery?

In the accompanying T1 axial image from an MRI of the neck, the sternocleidomastoid muscle is indicated by which letter?  

In the accompanying T1 axial image from an MRI of the neck, the longus colli muscle is indicated by which letter?  

A prefixed optic chiasm is located directly above the... 

What is the most common soft tissue mass in the hand and wrist? 

Hypertrophic pyloric stenosis is associated with all of the following EXCEPT...

This 9-month-old boy presents with increasing irritability and head circumference. He undergoes a contrast enhanced MRI (T1 with contrast axial image is shown). Which of the following entities is most likely? 

Which of the following statements regarding penetrating brain injuries is INCORRECT?

In transverse fractures of the petrous temporal bone, which cranial nerve is most likely injured?

Which of the following is the most common location of paranasal sinuses osteomas?

During dynamic contrast-enhanced imaging of the pituitary gland, which part of the anterior pituitary enhances first? 

Which is true of trigeminal neuralgia?

Which artery is most commonly implicated as a cause of hemifacial spasm? 

Which artery is most commonly implicated as a cause of trigeminal neuralgia?

Which of these cranial nerves has its transition zone located the furthest away from its root entry zone? 

The gunshot wound shown in the accompanying image is an example of what kind of injury?

The greater occipital nerve arises from the...

What is the most likely diagnosis?

Which is NOT true of a ranula?