extraluminal
Last reviewed 01/2018
These include:
- adhesions / bands - congenital or a result of previous surgery or intraperitoneal infection
- strangulated hernia
- annular pancreas
- anomalous vessels
- abscess
- haematoma
- volvulus
- intussusception
- tumours, for example gastric carcinoma obstructing the pylorus, colonic carcinoma