Participants must be at least 18 years of age or older;

Have an existing clinically ordered CT image within 2 weeks of the study; or

Have an existing clinically ordered MR image within 2 weeks of the study;

Provide written informed consent after receiving a verbal and written explanation of the purpose and nature of this clinical study;

Be able to communicate effectively with clinical study personnel

A Feasibility Study of a Modular Video Augmentation System for Image-Guided Skull Base Surgery