Questions

A patient presents with symptoms of hoarseness, loss of gag reflex plus loss of taste in the posterior tongue. This presentation suggests involvement of which cranial nerves?

Which cranial nerve has parasympathetic supply to the carotid body chemoreceptors and baroreceptors?

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?

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

On this T2 weighted midline sagittal image, which letter indicates the dorsum sellae?

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 the accompanying coronal T2-weighted image, which letter indicates the sphenoid sinus?

On this T2 weighted midline sagittal image, which letter indicates the pituitary gland?

On this T2 weighted midline sagittal image, which letter indicates the pituitary infundibulum?

Which of the following is a type of a true diverticulum?

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

Which cranial nerves (CN) innervate the tongue?

Which fibers synapse within the ciliary ganglion?

What hormone is NOT produced in the anterior pituitary?

A 50-year old male with an extensive smoking history presents with sudden-onset left arm and hand weakness, astereognosis and dysarthria.

When asked to protrude his tongue, it deviates to the left. This clinical finding most likely represents a hypoglossal nerve palsy that is which of the following?