R Botchu1,2, A Shah1, G Jakanani1, C N Esler3, W J Rennie1. 1. Department of Radiology, University Hospitals of Leicester, Leicester, United Kingdom. 2. Department of Radiology, Kettering General Hospital, Kettering, United Kingdom. drrajeshb@gmail.com. 3. Department of Orthopedics, University Hospitals of Leicester, Leicester, United Kingdom.