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  • Title: Clinical characteristics of Japanese patients with eosinophilic esophagitis and eosinophilic gastroenteritis.
    Author: Kinoshita Y, Furuta K, Ishimaura N, Ishihara S, Sato S, Maruyama R, Ohara S, Matsumoto T, Sakamoto C, Matsui T, Ishikawa S, Chiba T.
    Journal: J Gastroenterol; 2013 Mar; 48(3):333-9. PubMed ID: 22847555.
    Abstract:
    BACKGROUND: The clinical characteristics of Japanese patients with eosinophilic esophagitis (EoE) and eosinophilic gastroenteritis (EGE) have not been fully clarified. For understanding the pathogenesis as well as providing support for accurate diagnosis, precise information regarding clinical characteristics of these diseases is important. METHODS: A questionnaire-based survey of EoE and EGE was conducted in 1,078 teaching hospitals. Clinical data of patients with confirmed EoE or EGE diagnosed from 2004 to 2009 were collected. RESULT: Clinical data from 26 patients with EoE and 144 patients with EGE were collected. The mean ages of patients in both groups were in the 40s. Those with EoE frequently complained of dysphagia and heartburn, and had characteristic endoscopic features such as longitudinal furrows and multiple concentric rings in the esophagus, while only 34% had peripheral eosinophilia. Patients with EGE frequently complained of abdominal pain and diarrhea, and approximately 80% of them have peripheral eosinophilia. They did not have characteristic endoscopic features helpful for diagnosis. Computed tomography (CT) findings and the presence of peripheral eosinophilia were diagnostic for EGE. EGE patients with a small intestinal involvement showed the highest peripheral eosinophil counts. Glucocorticoid administration was the most widely used treatment for these diseases and its effect was favorable for at least induction of remission. CONCLUSION: EGE is more prevalent than EoE in Japan. Patients with EGE have abdominal pain and diarrhea, high peripheral eosinophil counts, and gastrointestinal wall thickening identifiable by CT findings, while EoE is characterized by dysphagia and characteristic endoscopic features.
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