{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T16:18:08Z","timestamp":1775060288130,"version":"3.50.1"},"reference-count":10,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["World J Surg Onc"],"published-print":{"date-parts":[[2011,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>The exact diagnosis of double primary papillary adenocarcinoma of thyroid and lung is even rarer, to our knowledge no report in the literature by [<jats:sup>18<\/jats:sup>F]-2-fluoro-2-deoxy-D-glucose-positron emission tomography\/X-ray CT(FDG PET\/CT) with surgical specimens immunohistochemistry(IHC). We report a patient with abnormal FDG PET\/CT in thyroid and lung, this unusual presentation may lead to misdiagnosis without surgical specimens IHC.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Case presentation<\/jats:title>\n            <jats:p>A 56-year-old man with coughing three months. FDG PET\/CT was performed, and resection specimens of lung and thyroid were detected by hematoxylin eosin staining (HE) and IHC. PET\/CT: lung tumor SUVmax: 3.69, delay: 5.17; and thyroid tumor SUVmax 19.97. HE reveal papillary adenocarcinoma, but histological differentiation of primary pulmonary adenocarcinoma from metastatic adenocarcinoma is sometimes difficult because of their phenotypic similarities. So IHC was performed, the IHC of lung tumor: cytokeratin 20 (CK20)(-), thyroglobulin(Tg)(-), cytokeratin7(CK7)(+), thyroid transcription factor-1 (TTF-1)(+); thyroid tumor: CK7(+), TTF-1(+), thyroglobulin (+), CK20(-). Therefore, the final diagnosis was double primary adenocarcinomas of thyroid and lung.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>FDG PET\/CT has preliminary diagnostic capacity of multiple primary tumors; the final diagnosis should be adopted for specimens after tumor-specific markers IHC to obtain. Consequently, effective therapeutic approaches can be designed and conducted.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1477-7819-9-119","type":"journal-article","created":{"date-parts":[[2011,10,6]],"date-time":"2011-10-06T06:17:11Z","timestamp":1317881831000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Concomitant pulmonary and thyroid tumors identified by FDG PET\/CT and immunohistochemical techniques"],"prefix":"10.1186","volume":"9","author":[{"given":"Guangwen","family":"Zhu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanjun","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yaming","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shujun","family":"Liang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jia","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2011,10,6]]},"reference":[{"issue":"7","key":"875_CR1","doi-asserted-by":"publisher","first-page":"1431","DOI":"10.3174\/ajnr.A1559","volume":"030","author":"JA Eloy","year":"2009","unstructured":"Eloy JA, Brett EM, Fatterpekar GM, Kostakoglu L, Som PM, Desai SC, Genden EM: The significance and management of incidental [18F] fluorodeoxyglucose-positron-emission tomography uptake in the thyroid gland in patients with cancer. 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