Distal Intestinal Obstruction Syndrome (DIOS), previously known as “meconium ileus equivalent,” is an entity unique to CF that is caused by partial or complete obstruction of the ileocecum by inspissated fecal material. It is seen in all age groups, though it is more common in adults and is almost always seen in patients with pancreatic insufficiency #Clinical #IM #Radiology #KUB #DIOS #CysticFibrosis #DistalIntestinalObstructionSyndrome