More Than Pyelonephritis: A Rare Case of a Perinephric Abscess Secondary to Post-ERCP Duodenal Perforation

This case discusses the complication of duodenal perforation secondary to endoscopic retroperitoneal cholangiopancreatography (ERCP) with development of a retroperitoneal abscess. The patient was a 35-year-old woman who presented 1 week following ERCP with right-sided flank pain and right upper quadrant pain. Her condition was managed nonsurgically with antibiotics and drain placement and she subsequently had complete resolution of symptoms. It is vital to highlight this complication in patients following ERCP to avoid misdiagnosis, improve awareness and recognition, and shorten hospital stay.