CT of the craniovertebral junction.

R adiology in the l990s finds itself in a unique paradox. On one hand, the explosion of imaging technology has allowed us to study parts of the body that were previously accessible only to surgeons or pathologists. Furthermore, data can be gathered more expeditiously because of decreased examination times permitted by helical CT or high-field-strength MR imaging. On the other hand, public focus on cost containment and health care reform demands...