Presentation
Obstructive jaundice.
Patient Data
Gender: Male

Four images from an ERCP.
On the second image, there is an endoscope with opacification of the pancreatic duct.
On the third image, air outlines the retroperitoneal space, compatible with a perforation.
On the fourth image, there is increased retroperitoneal air and pneumobilia.
Cholecystectomy clips.
From the case:
Pneumoretroperitoneum - post ERCP perforation
Frontal

Extensive retroperitoneal gas on the right, compatible with post ERCP perforation.
From the case:
Pneumoretroperitoneum - post ERCP perforation
Coronal lung window

CT appearance of the right pneumoretroperitoneum.