Image of the month: Abdominal aorta aneurysm rupture in the peritoneal cavity with a two-point aortocaval fistula formation.

Abdominal aorta aneurysm rupture is a potential lethal complication and is surgical emergency. In addition, formation of a portal vein and abdominal aorta fistula is a possible, very rare complication that enforces complicated surgical management. Multidetector computed tomography with bolus injection tracking and multiplanar reconstruction is the modality of choice in revealing an aortic rupture and its potential complications. © Royal College of Physicians 2021. All rights reserved.