2019 Volume 94 Issue 1 Pages 65-66
Case 1 is an 85-year-old man. Radiotherapy was performed in the diagnosis of liver cancer. Esophagogastroduodenoscopy (EDG) was performed 1 month after radiotherapy due to general fatigue and eating disorder. Friable and edematous mucosa was observed in the antrum. We diagnosed gastric mucosal disorder after radiotherapy and started oral administration of proton pump inhibitor (PPI). 7 months after radiotherapy, edematous mucosa disappeared and vascular ectasia was observed. Case 2 is a 77-year-old man. Chemoradiotherapy was performed in the diagnosis of gallbladder cancer. EGD was performed 2 months after radiotherapy due to anemia. Ulcer and friable, edematous mucosa were observed in the antrum. We diagnosed gastric mucosal disorder after radiotherapy and started oral administration of PPI. Due to progression of anemia, EGD was performed 3 months after radiotherapy. Oozing from vascular ectasia was observed and argon plasma coagulation was performed.