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Methylene Blue Solution-induced Acute Esophageal Mucosal Injury: First Case Report  

Ko, Ock-Bae (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine)
Kim, Do-Hoon (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine)
Kang, Jung-Min (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine)
Jung, Hwoon-Young (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine)
Publication Information
Clinical Endoscopy / v.42, no.3, 2011 , pp. 161-164 More about this Journal
Abstract
Methylene blue (MB) based chromoendoscopy has been used for more than a decade to increase detection rates of specialized intestinal metaplasia, dysplasia, and esophageal adenocarcinoma. It is also used to detect anastomotic leakage after an operation. A 67-year-old man with no previous medical problems had complaints of jaundice and weight loss for 2 months. He was diagnosed with a Klatskin tumor and was referred to our hospital. An initial esophagogastroduodenoscopy (EGD) was performed before the operation. No abnormality was observed in the esophagus. MB solution was infused via an L-tube to check for leakage in the anastomosis. Subepithelial hemorrhagic and edematous mucosal changes with friability and a bluish mucosal discoloration were noted 2 days later from the mid to lower esophagus on EGD. Nine months later, an EGD revealed an unremarkable esophageal mucosa. MB solution is considered safe; however, a large volume or high concentration of MB solution might be harmful.
Keywords
Methylene blue; Esophagus; Injury;
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