common sites of impaction

Last reviewed 10/2023

The common sites of impaction of ingested foreign bodies are:

  • oesophagus:
    • at the level of the cricopharyngeus
    • at the level of the aortic arch
    • at the lower oesophageal sphincter

  • pylorus of the stomach

  • C-bend of the duodenum

  • ileocaecal valve

  • colon:
    • hepatic flexure
    • splenic flexure