{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T17:48:22Z","timestamp":1773164902691,"version":"3.50.1"},"reference-count":11,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,10,24]],"date-time":"2020-10-24T00:00:00Z","timestamp":1603497600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IJU Case Reports"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p><jats:sup>123<\/jats:sup>I\u2010metaiodobenzylguanidine scanning has high sensitivity and specificity for the diagnosis of tumors derived from sympathetic nerves or the adrenal medulla. We report the rare case of a <jats:sup>123<\/jats:sup>I\u2010metaiodobenzylguanidine false\u2010positive renal cell carcinoma.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>The patient was referred to our hospital with an incidental left renal mass during evaluation for hypertension. An ovarian tumor and prominent ascites were also observed. Serum and urine catecholamine levels were high to suspect a catecholamine\u2010producing tumor of the kidney. <jats:sup>123<\/jats:sup>I\u2010metaiodobenzylguanidine scintigraphy showed increased <jats:sup>123<\/jats:sup>I\u2010metaiodobenzylguanidine intake in the tumor. Laparoscopic radical left nephrectomy was performed. The pathologic diagnosis was an oncocytic variant of chromophobe renal cell carcinoma. No pheochromocytoma features were found.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>We report the first case of a <jats:sup>123<\/jats:sup>I\u2010metaiodobenzylguanidine false\u2010positive renal cell carcinoma. This case was diagnosed with primary aldosteronism and Meigs\u2019 syndrome, which made the clinical course more complicated.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12233","type":"journal-article","created":{"date-parts":[[2020,10,25]],"date-time":"2020-10-25T00:25:31Z","timestamp":1603585531000},"page":"39-42","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["False\u2010positive <sup>123<\/sup>I\u2010metaiodobenzylguanidine scan in a patient with renal cell carcinoma: A case of chromophobe renal cell carcinoma oncocytic variant with a complicated clinical course"],"prefix":"10.1002","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9487-1397","authenticated-orcid":false,"given":"Takahito","family":"Suyama","sequence":"first","affiliation":[{"name":"Departments of Department of Urology Teikyo University Chiba Medical Center Ichihara 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