Studies are mixed on whether it is associated with pathology and symptoms. There is some epidemiological evidence to suggest is associated with gastroesophageal reflux and Helicobacter gastritis. There is no evidence to suggest it is pre-neoplastic, like Barrett's esophagus.
Pancreatic acinar metaplasia
Exocrine pancreatic insufficiency
Intestinal neuronal dysplasia
Alpha cell hyperplasia
Glucose-galactose malabsorption
Gastric antral vascular ectasia
Bile duct hamartoma
Neuroendocrine hyperplasia