Edited by Paul S. Sidhu, BSc, MB BS, MRCP, FRCR, DTM&H FAIUM (Hon.), professor of imaging sciences and consultant radiologist, King’s College Hospital, London, UK Wui K. Chong, MB BS, MRCP, FRCR, assistant professor, Department of Radiology, University of North Carolina, Chapel Hill, USA Keshthra Satchithananda, BDS, FDSRCS, MB BS, FRCS, FRCR, consultant radiologist, King's College Hospital, London, UK