Modern radiological methods such as magnetic resonance imaging (MRI) are powerful tools in assisting the clinician to identify specific diseases as an essential prerequisite to appropriate treatment that can secure the best prognosis. They have advanced the goal of obtaining more diagnostic information whilst reducing risk and discomfort for the patient, and provide vital information on the extent and spread of disease, which guide the application of surgery and radiotherapy.
Keywords: clinical studies; functional brain studies; contrast agents; angiography; interventional procedures








