Retrograde intussusception causing small bowel obstruction in a 35 year old Female patient following a Roux en Y Bypass. Case report.

Introduction: Intestinal intussusception is an uncommon entity when preceded by Roux en Y gastric bypass. Retrograde intussusception is an enigmatic phenomenon characterized by reversely intussuscepted intestinal loop that may involve any piece of the Roux en Y limbs. Computed Tomography is gold standard for diagnosis.