A slight increased incidence with age suggests it is an acquired lesion, as may be seen in a true<unk> .
Pancreatic acinar metaplasia
Exocrine pancreatic insufficiency
Intestinal neuronal dysplasia
Alpha cell hyperplasia
Glucose-galactose malabsorption
Gastric antral vascular ectasia
Bile duct hamartoma
Neuroendocrine hyperplasia