{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T17:11:02Z","timestamp":1788628262989,"version":"build-2803163510"},"reference-count":15,"publisher":"BMJ","issue":"2","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2026,1,8]]},"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:p>Pancreatic schwannoma is usually a benign neoplasm presenting with non-specific symptoms, and preoperative diagnosis is often difficult to establish. The imaging features can overlap from benign cystic lesions to ductal adenocarcinomas.<\/jats:p>\n                  <jats:p>Diagnosis is mainly histological with characteristic microscopic appearance (aggregates of spindle-shaped cells) and immunostaining (positive for S100 and SOX-10) suggestive of a peripheral nerve sheath tumour. Due to diagnostic ambiguity, surgical resection is often mandated.<\/jats:p>\n                  <jats:p>We present a case of a female patient in her sixth decade of life presenting with symptoms pointing towards a malignant pancreatic head tumour. She underwent formal pancreatoduodenectomy, which on histopathological examination was diagnosed as a schwannoma.<\/jats:p>","DOI":"10.1136\/bcr-2025-265255","type":"journal-article","created":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T13:55:53Z","timestamp":1770299753000},"page":"e265255","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Pancreatic schwannoma: a diagnostic dilemma of pancreatic head tumour"],"prefix":"10.1136","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-5833-5215","authenticated-orcid":false,"given":"Himanshu","family":"Gupta","sequence":"first","affiliation":[{"name":"GI Surgery, HPB and Liver Transplantation, PGIMER, Chandigarh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"DS","family":"Darshanik","sequence":"additional","affiliation":[{"name":"Department of GI Surgery, HPB and Liver Transplantation, PGIMER, Chandigarh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pankaj","family":"Gupta","sequence":"additional","affiliation":[{"name":"Gastroenterology, PGIMER, Chandigarh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ritambara","family":"Nada","sequence":"additional","affiliation":[{"name":"Histopathology, PGIMER, Chandigarh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Surinder S","family":"Rana","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, PGIMER, Chandigarh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6585-1725","authenticated-orcid":false,"given":"Rajesh","family":"Gupta","sequence":"additional","affiliation":[{"name":"Department of Surgical Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, 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