Radiology Rounds: Retroperitoneal Bleeds

1. Do you understand the anatomy of the retroperitoneum? Laura Avery, MD Massachusetts General Hospital Harvard Medical School Boston, MA, USA

2. Case1

3. I-

4. I+ Delayed

5. Delay I- I+ Note mass effect on the psoas rather than expansion of the psoas AAA Rupture Perirenal space

9. Note expansion of the Iliopsoas.

10. Active bleeding from small vessel related to anticoagulation rather than aortic leak We are so good that we don’t need the contrast…

11. Traditional tricompartmental theory of the retroperitoneal space Posterior para-renal space Anterior para-ranal space Perirenal space Blood from aortic rupture Expected here. Blood from retroperitoneal bleed Located here. Fluid related to panc.