{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T07:46:11Z","timestamp":1768463171329,"version":"3.49.0"},"reference-count":17,"publisher":"Walter de Gruyter GmbH","issue":"1","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,2,20]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Pheochromocytoma is a rare catecholamine-producing tumor of the adrenal gland. Patients with known pheochromocytoma undergoing surgery require preoperative treatment with alpha-blockers to reduce the risk of intraoperative complications related to catecholamine release. If undiagnosed, pheochromocytoma can lead to life-threatening surgical complications. We report the case of a patient with a suspected solid pseudopapillary neoplasm in the pancreatic tail, for whom pancreatoduodenectomy was scheduled. However, shortly after abdominal incision, hypertensive crisis developed and was followed by severe hypotension requiring intravenous vasopressors, which prompted discontinuation of the operation. Further diagnostic evaluation revealed marked elevations in urinary excretion of methylated catecholamines and suggested that the tumor was in fact a pheochromocytoma extending from the left adrenal gland. After preoperative treatment with doxazosin, the patient underwent lateral transperitoneal laparoscopic adrenalectomy, with no major complications and an uneventful postoperative course. The pathological report confirmed a diagnosis of pheochromocytoma. Due to the potential for life-threatening surgical complications in patients with pheochromocytoma not treated preoperatively with alpha-blockers, this tumor type should be included in the differential diagnosis of abdominal tumors of unknown origin.<\/jats:p>","DOI":"10.1515\/med-2020-0015","type":"journal-article","created":{"date-parts":[[2020,2,21]],"date-time":"2020-02-21T09:02:06Z","timestamp":1582275726000},"page":"103-106","source":"Crossref","is-referenced-by-count":2,"title":["Undiagnosed pheochromocytoma presenting as a pancreatic tumor: A case report"],"prefix":"10.1515","volume":"15","author":[{"given":"Malgorzata Emilia","family":"Legocka","sequence":"first","affiliation":[{"name":"Department of General, Endocrinological and Vascular Surgery, Medical University of Warsaw , Warsaw 02-097 Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sadegh","family":"Toutounchi","sequence":"additional","affiliation":[{"name":"Medical University of Warsaw , Warsaw , Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryszard","family":"Pogorzelski","sequence":"additional","affiliation":[{"name":"Department of General, Endocrinological and Vascular Surgery, Medical University of Warsaw , Warsaw 02-097 Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ewa","family":"Krajewska","sequence":"additional","affiliation":[{"name":"Department of General, Endocrinological and Vascular Surgery, Medical University of Warsaw , Warsaw 02-097 Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Krzysztof","family":"Celejewski","sequence":"additional","affiliation":[{"name":"Department of General, Endocrinological and Vascular Surgery, Medical University of Warsaw , Warsaw 02-097 Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zbigniew","family":"Galazka","sequence":"additional","affiliation":[{"name":"Department of General, Endocrinological and Vascular Surgery, Medical University of Warsaw , Warsaw 02-097 Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2020,2,20]]},"reference":[{"key":"2022042711562737983_j_med-2020-0015_ref_001_w2aab3b7d110b1b6b1ab2b1b1Aa","doi-asserted-by":"crossref","unstructured":"Farrugia F, Martikos G, Tzanetis P, Charalampopoulos A, Misiakos E, Zavras N, et al. 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