Provided video goes over the topic of retroperitoneal fibrosis with the help of a case study. This video sequentially covers the sub-topics of history questions, epidemiology, relevant anatomy, the usual extension and spread of retroperitoneal fibrosis, associated aetiologies, conditions associated with idiopathic RPF, secondary causes, link with certain medications and malignancy, clinical manifestations of RPF, diagnostic clues, management strategies and post-operative complications. Timeline: 0:00 – Introduction 0:15 – Objectives 0:33 – Case 1:29 – CT KUB 2:09 – Laboratory investigations 3:08 – Case continued 3:29 – History 4:00 – Epidemiology 5:39 – Anatomy 6:00 – Extension and spread 6:11 – Aetiology 7:13 – IRPF Associated conditions 8:17 – Secondary causes 8:40 – Medications 10:11 – Malignancy 11:03 – Clinical manifestations 12:45 – Lab findings 14:40 – Diagnostic imaging 18:10 – Differential diagnosis 19:00 – Biopsy and histopathology 21:27 – Management 34:45 – Post-op considerations 35:26 - Summary