- a patient with a contra-indication to MRI (Claustrophobia, Pace Maker, Neurosurgical Clips, Vascular Clips, Cardiac Valves, V.peritoneal Valves, Cochlear Implant, Neuro-Stimulator, Intra-Orbital Metal Shards (Articular Prosthesis, Dental Prosthesis, Contact Glass, Insulin Pumps, Intrauterine Device, Tattoo, Piercing / Implants.))