DMX studies are generally read by individuals who find “problems” where these “problems” are really normal variants. The studies can be helpful if read by individuals who are careful, knowledgable and conservative.
MRAs I have found are not as accurate as CT angiograms and MRAs are not typically utilized in positional studies (moving the head and imaging in different positions).
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.