Retroperitoneal hernia

Retroperitoneal hernia is a type of internal hernia, also known as peritoneal recess hernia. Retroperitoneal hernia is rare. Internal hernia includes: hernia of abdominal contents through mesentery, especially colonic mesentery and broad ligament into abnormal opening; Through the omental hole hernia, congenital abnormal volvulus and foreign bodies attached to the peritoneum form retroperitoneal hernia in the peritoneal fold fossa. It is often located around the duodenum, cecum and sigmoid colon. Herniation of retroperitoneal organs or tissues into the extraperitoneal area has been reported, but it is rare.