%0 Journal Article %T Giant Brunner¡¯s Gland Hamartoma as a Cause of Iron Deficiency Anemia %A Ananya Das %A Farhoud Khosravi %A James Cashman %A Manraj Khosla %J Archive of "ACG Case Reports Journal". %D 2017 %R 10.14309/crj.2017.37 %X A 56-year-old man initially presented for evaluation of iron deficiency anemia. Further evaluation with esophagogastroduodenoscopy (EGD) and colonoscopy revealed a large, benign-appearing mass in the duodenum (Figure 1). Subsequent endoscopic ultrasound (EUS) revealed a 3 x 4-cm subepithelial mass arising from the submucosa with numerous cystic spaces and mixed echogenicity (Figure 2) %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5356200/