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Gastroscopy and targeted biopsies showed increased eosinophilic infiltration in the foregut consistent with eosinophilic gastroenteritis (EGE). A punch biopsy of the rash showed eosinophilic infiltration in the dermis layer consistent with eosinophilic dermatitis. She was started on a tapering course of oral prednisone 40\u2009mg daily and a proton pump inhibitor (PPI) 2 times per day. Her abdominal symptoms resolved within 48 hours. A follow-up gastroscopy 12 weeks later showed mucosal and histological improvement, and the rash subsequently improved.<\/jats:p>","DOI":"10.1136\/bcr-2025-265908","type":"journal-article","created":{"date-parts":[[2025,7,21]],"date-time":"2025-07-21T01:20:25Z","timestamp":1753060825000},"page":"e265908","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Eosinophilic gastroenteritis and eosinophilic dermatitis in a patient: two sides of the same coin?"],"prefix":"10.1136","volume":"18","author":[{"given":"Leilynaz","family":"Malekafzali","sequence":"first","affiliation":[{"name":"Family Medicine, University of Toronto, Toronto, Ontario, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bibi","family":"Naghibi Torbati","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine, The University of British Columbia, Kelowna, British Columbia, 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