In diagnosing multiple sclerosis, which test is preferred when both MRI and CSF IgG oligoclonal bands are listed?

In diagnosing multiple sclerosis, which test is preferred when both MRI and CSF IgG oligoclonal bands are listed?

• A. CSF IgG oligoclonal bands
• B. Evoked potentials
• C. CT scan
• D. MRI

Answer: (D)