Gadolinium-based contrast agents are approved by FDA for use with MRI as a contrast agent to provide an improved image of body organs and tissues. Gadolinium-based contrast agents are also used for MRA, another imaging procedure used to evaluate blood vessels.3.he use of gadolinium-based contrast agents in MRA is not FDA approved. MRA with gadolinium-based contrast is thought by many radiologists to provide more detailed images of blood vessels than MRA without gadolinium-based contrast.
Neurologists do not perform surgery. A neurologist's training includes an undergraduate degree, four years of medical school, a one-year internship, and at least three years of specialized training.
Neurologists treat neurological conditions, or problems with the nervous system. Symptoms that commonly require a neurologist include: 1  coordination problems.2  muscle weakness. 3  a decrease in sensation.ou may also need to see a neurologist if you have symptoms of multiple sclerosis, such as tingling, loss of bowel control, or vision loss. According to the University of Rochester Medical Center, neurologists may also treat patients with: 1  seizure disorders, such as epilepsy.