<prompt> IOC for urethral trauma:Ascending urethrogramDescending urethrogramUSGCT scan  <response>: Ans. a Ascending urethrogramRef: Bailey and Love 27th Edition, Page 1479 Most common urethral injury sites caused by external trauma are bulbar and membranous urethra. Most common cause of urethral trauma: Catheterization and cystoscope induced. IOC for urethral injuries is by ascending urethrogram using water soluble contrast. 