MRI: Cavernous sinus  
 

In these axial and coronal MRIs, the cavernous sinus can be seen with a few of its important anatomic relationships. The axial image is on the left, and the coronal image is on the right.

 
 

Identify the following:

1. cavernous sinus

2. internal carotid artery

3. pituitary gland

 
[Remove labels]
 
[Remove labels]