A case of a patient with cystic fibrosis with bowel obstruction due to a proximal intestinal obstruction syndrome (PIOS) is presented.This syndrome can be diagnosed with the DIOS definition, with the only distinction of a more proximal location in the gastrointestinal tract, such as the stomach, the duodenum, or the jejunum.

Distal Intestinal Obstruction Syndrome is a rare complication in cystic fibrosis patients characterized by the accumulation of viscid fecal material, combined with sticky mucous secretions located in the distal ileum, adhered to the intestinal wall. Only few cases have been reported in the literature.

Inclusion Criteria:

• Adult >18 years
• Cystic fibrosis
• Bowel obstruction

Exclusion Criteria:

• Pediatric patient <18 years
• Unknown cause of bowel obstruction

45 years old patient with cystic fibrosis