References

1. Kinoshita Y, Oouchi S, Fujisawa T. Eosinophilic gastrointestinal diseases – Pathogenesis, diagnosis, and treatment. Allergol Int 2019; 68 : 420-429.
2. Kinoshita Y, Furuta K, Ishimaura N, Ishihara S, Sato S, Maruyama R, et al. Clinical characteristics of Japanese patients with eosinophilic esophagitis and eosinophilic gastroenteritis. J Gastroenterol2013; 48 : 333-9.
3. Yamamoto M, Nagashima S, Yamada Y, Takatsugu M, Shimoyama Y, Takahashi S, et al. Comparison of nonesophageal eosinophilic gastrointestinal disorders with eosinophilic esophagitis: A nationwide survey. J Allergy Clin Immunol Pract 2021; S2213-2198 : 00714-5.
4. Yamazaki K, Sakashita T, Iwata H, Mizutani T, Matsuura K, Sugiyama T et al. A case of a teenage boy with eosinophilic gastroenteritis with esophageal involvement developing a hemorrhagic duodenal ulcer.Clin J Gastroenterol 2015; 8 : 179-85.
5. Lucendo AJ, Molina-Infante J, Arias A, von Arnim U, Bredenoord AJ, Bussmann C, et al. Guidelines on eosinophilic esophagitis: evidence-based statements and recommendations for diagnosis and management in children and adults. United European Gastroenterol J 2017; 5 : 335-58.
6. Dellon ES, Liacouras CA, Molina-Infante J, Furuta GT, Spergel JM, Zevit N, et al. Updated International Consensus Diagnostic Criteria for Eosinophilic Esophagitis: Proceedings of the AGREE Conference.Gastroenterology 2018; 155 : 1022-33.
7. Tee HP, Swarts D, Tydd T, Leong RWL. Gastrointestinal: Eosinophilic enteritis manifesting as brown-pigmented duodenal ulcers. J Gasroenterol Hepatol 2009; 24 : 1892.