Deep spaces of neck Accurate interpretation of head and neck imaging requires an understanding of fascial layers, which cannot be precisely delineated with imaging; in practice, key anatomic landmarks define these fascial layers. Cross sectional imaging is the mainstay of evaluation. In certain scenarios ultrasound can also be used to assess the lesion. Neither CT or MRI is universally superior, both provide complementary diagnostic value. However, MRI is generally considered

A simplified approach to the anatomy of the temporal bone and the middle ear on HRCT temporal bone.