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Skin biopsy demonstrated diffuse infiltration of neutrophils in the upper dermis, dermal oedema, eosinophils and fibrin deposition. Symptoms rapidly improved with cessation of 6-mercaptopurine without requiring systemic corticosteroids.<\/jats:p>","DOI":"10.1136\/bcr-2023-259278","type":"journal-article","created":{"date-parts":[[2024,2,28]],"date-time":"2024-02-28T02:10:49Z","timestamp":1709086249000},"page":"e259278","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Mercaptopurine-induced Sweet\u2019s syndrome"],"prefix":"10.1136","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-5065-030X","authenticated-orcid":false,"given":"Natalie","family":"Commins","sequence":"first","affiliation":[{"name":"Department of Gastroenterology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4223-8239","authenticated-orcid":false,"given":"Deloshaan","family":"Subhaharan","sequence":"additional","affiliation":[{"name":"Department of 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