About the Authors:Lisa Brindle is MRI Manager, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UKCath Mills is Deputy Clinical Services Manager CT/MRI, Circle Health Group, Blackburn, UKSeries Editor:A Stewart Whitley is currently Radiology Advisor, UK Radiology Advisory Services and the former Director of Professional Practice for the International Society of Radiographers and Radiological Technologists (ISRRT).