Duodenum Duodenum Duodenum: Acute Duodenitis By Dr. Paul M. Choi Duodenum 09 October 2011 Hits: 3790 Share: Facebook Twitter Google+ Acute duodenitis in this 70 years old male with chronic epigastric pain refractory to proton pump inhibitor. Antral biopsy was negative for H.pylori. Prev Next