Y S Gulati1, K Pathak2, S S Naware3, R S Negi4. 1. Associate Professor, Department of Radiodiagnosis, Armed Forces Medical College, Pune - 411 040. 2. Classified Specialist (Radiodiagnosis & Interventional Radiology), Military Hospital (CTC), Pune - 411 040. 3. Classified Specialist (Radiology), Military Hospital, Namkum. 4. Post Graduate Resident (Radiodiagnosis), Command Hospital (Southern Command), Pune - 411 040.