{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T21:09:28Z","timestamp":1777583368495,"version":"3.51.4"},"reference-count":30,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,5,7]],"date-time":"2024-05-07T00:00:00Z","timestamp":1715040000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Diagnostic Cytopathology"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p><jats:sup>18<\/jats:sup>F\u2010fluorodeoxyglucose (FDG) uptake on positron emission tomography\/computed tomography (PET\/CT) has become the mainstay for staging and post\u2010therapy surveillance of cancer as malignant neoplasms generally demonstrate higher FDG uptake that benign entities. However, there are certain benign lesions, most notably oncocytic tumors, that can display very high uptake and fine needle aspiration (FNA) is usually done to confirm malignancy. Therefore, it is important to recognize that benign oncocytic lesions of the head and neck may also present as FDG\u2010avid lesions to avoid a diagnostic pitfall.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Electronic search of institutional surgical and cytopathology archives was conducted to identify cases of benign oncocytic lesions involving the head and neck region diagnosed by FNA from January 2012 to April 2022. Chart review was used to assess whether lesions were initially discovered via PET scanning.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>One hundred and twenty\u2010five cases of oncocytic lesions were identified; 12 (9%) PET positive lesions were identified in the head and neck region from patients being evaluated for metastasis or for suspicion of malignancy. Cytopathology of all 12 cases demonstrated benign oncocytic lesions; eight (67%) of these cases were consistent with Warthin tumor, one (8.3%) was a benign oncocytic lesion, and one (8.3%) was consistent wit a parathyroid adenoma. Most (58%) of the PET\u2010positive lesions were in parotid region, two from thyroid gland (17%), one from submandibular gland (8%), one from paratracheal area (8%). The PET scan SUVs ranged from 3.3 to 19.5\u2009g\u2009mL<jats:sup>\u22121<\/jats:sup>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Oncocytic lesions including Warthin tumors can result in false\u2010positive FDG uptake on PET scans. Clinicians and cytopathologists should be aware of PET\u2010positive benign oncocytic head and neck lesions.<\/jats:p><\/jats:sec>","DOI":"10.1002\/dc.25331","type":"journal-article","created":{"date-parts":[[2024,5,7]],"date-time":"2024-05-07T09:13:59Z","timestamp":1715073239000},"page":"387-392","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Fine needle aspiration diagnosis of benign oncocytic lesions of the head and neck associated with false positive <scp><sup>18<\/sup>F<\/scp>\u2010fluorodeoxyglucose uptake on positron emission tomography scan"],"prefix":"10.1002","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3038-5656","authenticated-orcid":false,"given":"Mahreen","family":"Hussain","sequence":"first","affiliation":[{"name":"Department of Pathology University of Texas Medical Branch  Galveston Texas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hafiz","family":"Ghani","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Texas Medical Branch  Galveston Texas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasir","family":"Ali","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Texas Medical Branch  Galveston Texas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4423-0313","authenticated-orcid":false,"given":"Cecilia","family":"Clement","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Texas Medical Branch  Galveston Texas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ranjana","family":"Nawgiri","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Texas Medical Branch  Galveston Texas 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