A rare case of proximal gastric outlet obstruction misdiagnosed as pancreatic invasive tumor, case report.

Introduction: This report is a case of proximal gastric outlet obstruction, misdiagnosed after esophagogastroduodenoscopy as invasive pancreatic malignancy. We report this case because of its rarity and to encourage physicians to take this etiology into consideration as part of differential diagnosis.

Presentation Of Case: We present a case of 88 year-old lady presenting for 3 days history of post-prandial coffee ground vomiting associated with obstipation, misdiagnosed as pancreatic malignancy with duodenal invasion after outpatient gastroscopy.