MR Imaging of Male Urethral Injury

Masahiro Horikawa¹, Hiroshi Shinmoto¹, Akio Horiguchi², Shigeyoshi Soga¹, Eisuke Shiomi¹, Shigeru Kosuda¹, Tatsumi Kaji¹

Urethral injury occurs as a result of trauma or iatrogenic cause. Retrograde urethrography is a gold standard to evaluate disruption of involved urethra, however, MR imaging has been reported to be useful to assess the extent of injury and presence of hematoma or fibrosis. The purpose of this exhibit is to demonstrate various patterns of urethral injury and to show the advantage of MR imaging in perioperative management thorough case presentations, ranged from common blunt trauma to rare condition such as urethrocutaneous fistula after sex transformation surgery.