Questions

On the accompanying coronal T2-weighted image, which letter indicates the intradural right internal carotid artery?

In the accompanying MRI image which letter indicates the cavernous internal carotid artery?

On the accompanying coronal T2-weighted image, which letter indicates the middle cerebral artery?

Which major epicardial coronary artery do the obtuse marginal branches arise from?

An anomalous coronary artery with an interarterial course passes between which two structures?

Which label identifies the tuberosity of the radius?

What percentage of stenosis is represented under CAD-RADS category 3 - moderate stenosis?

Which combination of the below are considered high-risk plaque features?

Which of the following imaging findings is most suggestive of cavernous sinus thrombosis on CT venography (CTV) in an intubated patient?

What does a “ureteral jet” indicate?

On the accompanying coronal T2-weighted image, which letter indicates the anterior cerebral artery?

What artery is most at risk of injury in this blunt trauma patient?

In the accompanying MRI image which letter indicates the maxillary division of the trigeminal nerve (CN Vb)?

In the accompanying MRI image which letter indicates the ophthalmic division of the trigeminal nerve (CN Va)?

An MRI of a patient with left facial numbness and ophthalmoplegia shows a T2 intermediate signal intensity mass in the left cavernous sinus which exhibits homogeneous enhancement and extends into Meckel’s cave and the orbital apex. The flow void of the left internal carotid artery is mildly narrowed. CT shows mild thickening and sclerosis of the lateral wall of the left sphenoid sinus.
What is the most likely diagnosis?

Which of the following MRI sequences is most likely to best allow the identification of individual cranial nerves within the cavernous sinuses?

In the accompanying MRI image which letter indicates the oculomotor cranial nerve (CN III)?

On MRI, which of the following is most likely to be seen in the orbits in patients with spontaneous intracranial hypotension?

Which artery typically supplies the anterior limb of the internal capsule?

Which of the following findings on a sagittal T2-weighted MRI is most likely to be present in a patient with spontaneous intracranial hypotension?