Opinion Review
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Jul 27, 2021; 13(7): 620-632
Published online Jul 27, 2021. doi: 10.4240/wjgs.v13.i7.620
Table 1 Etiology of gastric outlet obstruction[1,2]
Malignant causesBenign causes
Pancreatic cancerPeptic ulcer
Gastric cancerHypertrophic pyloric obstruction
CholangiocarcinomaGastric polyp
Gallbladder cancerCaustic ingestion
Duodenal cancerIatrogenic
Ampullary cancerGastric/duodenal tuberculosis
Other1Prepyloric web