On the accompanying coronal T2-weighted image, which letter indicates the extradural (cavernous) right internal carotid artery?

What MRI plane is best for assessing cavernous sinus invasion by pituitary macroadenoma? 

What osseous anomaly is noted in this photograph? 

Which is the most likely diagnosis?

Which is the most likely diagnosis?

Axial CT of the mandible. What is seen here?

Which virus is the cause of progressive multifocal leukoencephalopathy (PML)? 

What condition does this individual most likely have? 

What is the most common cause of constrictive pericarditis?

Clavicle fractures are displaced due to a combination of the weight of the upper limb pulling the distal fragment down and which muscle pulling the medial fragment upwards?

Which of the following is NOT a branch of the external carotid artery?

The following are causes of unilateral distal clavicular osteolysis EXCEPT...

On this T2 weighted midline sagittal image, which letter indicates the basilar artery?

A 35-year-old female presents to her GP with fever, malaise, tender red nodules along both shins and sore ankles. A chest x-ray was organized, which demonstrated bilateral hilar lymphadenopathy. What is the most likely diagnosis? 

A lesion in the carotid space will displace the parapharyngeal fat of the parapharyngeal space...

What area in the temporal bone is the most common site of otosclerosis?

A lesion in the parotid space will displace the parapharyngeal fat of the parapharyngeal space...

What is the most specific sign of malignant involvement of a node?

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 of the following cancer mimics is least likely to account for adenopathy?