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Serum lipase was markedly elevated and repeat contrast CT confirmed acute interstitial pancreatitis. She received supportive management, including laparoscopic PD catheter exchange and temporary haemodialysis, with resolution of abdominal pain and steady improvement in vision by discharge and at follow-up. This case highlights that pancreatitis can masquerade as PD peritonitis in patients with abdominal pain and cloudy effluent and illustrates how ocular findings can redirect diagnosis when clinicians actively guard against anchoring bias.<\/jats:p>","DOI":"10.1136\/bcr-2025-270634","type":"journal-article","created":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T15:10:19Z","timestamp":1775229019000},"page":"e270634","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Great mimic: Purtscher\u2019s retinopathy unmasks acute pancreatitis in a patient on peritoneal dialysis"],"prefix":"10.1136","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-6001-9682","authenticated-orcid":false,"given":"Rohan","family":"Singh","sequence":"first","affiliation":[{"name":"Renal Medicine, Nottingham University Hospitals NHS Trust - City Campus, Nottingham, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer","family":"Allen","sequence":"additional","affiliation":[{"name":"Renal Medicine, Nottingham University Hospitals NHS Trust - City Campus, Nottingham, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2026,4,3]]},"reference":[{"key":"2026062608152803000_19.4.e270634.1","article-title":"Purtscher-like retinopathy","volume":"2015","author":"Massa","year":"2015","journal-title":"Case Rep Ophthalmol Med"},{"key":"2026062608152803000_19.4.e270634.2","unstructured":"Tripathy K , Patel BC . 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