{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T11:37:30Z","timestamp":1786361850764,"version":"build-2736575974"},"reference-count":21,"publisher":"BMJ","issue":"8","license":[{"start":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T00:00:00Z","timestamp":1786320000000},"content-version":"unspecified","delay-in-days":9,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2026,7,17]]},"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:p>Henoch-Sch\u00f6nlein purpura (HSP) is a small vessel immunoglobulin A (IgA) vasculitis that primarily affects children. Characteristic manifestations include purpuric rash, abdominal pain, renal insult and arthralgia. Non-classical manifestations, such as angioedema, may mimic signs and symptoms associated with differential diagnoses including hereditary angioedema, anaphylaxis and urticarial vasculitis. We present the case of a girl in middle childhood who presented with angioedema with a known history of HSP. Familiarity with atypical manifestations of HSP may mitigate the need for invasive diagnostics such as renal or skin biopsy.<\/jats:p>","DOI":"10.1136\/bcr-2025-271072","type":"journal-article","created":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T11:25:23Z","timestamp":1786361123000},"page":"e271072","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Angioedema: a rare manifestation of Henoch-Sch\u00f6nlein purpura"],"prefix":"10.1136","volume":"19","author":[{"given":"Claudia","family":"Thomas","sequence":"first","affiliation":[{"name":"General Medicine, Royal Children\u2019s Hospital Melbourne Department of General Medicine, Parkville, Victoria, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jye","family":"Gard","sequence":"additional","affiliation":[{"name":"General Medicine, Royal Children\u2019s Hospital Melbourne Department of General Medicine, Parkville, Victoria, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2026,8,10]]},"reference":[{"key":"2026081004251481000_19.8.e271072.1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(02)11279-7"},{"key":"2026081004251481000_19.8.e271072.2","doi-asserted-by":"publisher","DOI":"10.2165\/00063030-200115020-00004"},{"key":"2026081004251481000_19.8.e271072.3","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1016\/j.pcl.2013.11.007","article-title":"Diagnosis and management of cutaneous vasculitis in children","volume":"61","author":"Ting","year":"2014","journal-title":"Pediatr Clin North Am"},{"key":"2026081004251481000_19.8.e271072.4","unstructured":"Roache-Robinson P , Killeen RB , Hotwagner DT . 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