{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T05:37:03Z","timestamp":1791265023557,"version":"4.1.0"},"reference-count":19,"publisher":"The Endocrine Society","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,12,1]]},"abstract":"<jats:sec><jats:title>Context:<\/jats:title><jats:p>Preoperative ultrasonography and scintigraphy using 99mTc-sestamibi are commonly used to localize abnormal parathyroid glands. In cases of discrepant results between scintigraphy and ultrasonography, it is important to rely on another diagnostic imaging modality. 18F-fluorodeoxyglucose (FDG) and 11C-methionine positron emission tomography (PET) have been studied, but are imperfect to detect abnormal parathyroid glands. Recently, first cases of abnormal parathyroid glands taking-up radiolabelled choline were discovered incidentally in men referred to 11C-choline or 18F-fluorocholine (FCH)-PET\/CT for prostate cancer. We checked if FCH uptake was a general feature of adenomatous or hyperplastic parathyroid glands.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p>FCH-PET\/CT was performed in 12 patients with primary (n = 8) or secondary hyperparathyroidism (1 dialyzed, 3 grafted) and with discordant or equivocal results on preoperative ultrasonography (US) and\/or 123I\/99mTc-sestamibi dual-phase scintigraphy. The results of the FCH-PET\/CT were evaluated, with surgical exploration and histopathologic examination as the standard of truth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p>On a per-patient level, the detection rate of FCH-PET\/CT (at least one FCH focus corresponding to an abnormal parathyroid gland in a given patient) was 11\/12 = 92%. FCH-PET\/CT detected 18 foci interpreted as parathyroid glands and correctly localized 17 abnormal parathyroid glands (7 adenomas and 10 hyperplasias). On a per-lesion level, FCH-PET\/CT results were 17 TP, 2 false negative ie, a lesion-based sensitivity of 89%, and 1 false positive.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion:<\/jats:title><jats:p>As the main result of this pilot study, we show that in patients with hyperparathyroidism and with discordant or equivocal results on scintigraphy or on ultrasonography, adenomatous or hyperplastic parathyroid glands can be localized by FCH-PET\/CT with good accuracy. Furthermore, FCH-PET\/CT can solve discrepant results between preoperative ultrasonography and scintigraphy and has thus a potential as a functional imaging modality in the detection of abnormal parathyroid glands. Our preliminary results are encouraging and prompt us to further evaluate FCH-PET\/CT as a functional imaging agent in patients with biochemical hyperparathyroidism.<\/jats:p><\/jats:sec>","DOI":"10.1210\/jc.2014-2821","type":"journal-article","created":{"date-parts":[[2014,12,5]],"date-time":"2014-12-05T22:49:33Z","timestamp":1417819773000},"page":"4531-4536","source":"Crossref","is-referenced-by-count":135,"title":["Is 18F-Fluorocholine-Positron Emission Tomography\/Computerized Tomography a New Imaging Tool for Detecting Hyperfunctioning Parathyroid Glands in Primary or Secondary Hyperparathyroidism?"],"prefix":"10.1210","volume":"99","author":[{"given":"Laure","family":"Michaud","sequence":"first","affiliation":[{"name":"Department of Nuclear Medicine (L.M., V.H., J.O., K.K., S.B., F.M., J-N.T.), H\u00f4pital Tenon, Assistance Publique-H\u00f4pitaux de Paris"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alice","family":"Burgess","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Head and Neck Surgery (A.B., S.P.), H\u00f4pital Tenon, Assistance Publique-H\u00f4pitaux de Paris"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Virginie","family":"Huchet","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine (L.M., V.H., J.O., K.K., S.B., F.M., J-N.T.), H\u00f4pital Tenon, Assistance Publique-H\u00f4pitaux de Paris"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marine","family":"Lef\u00e8vre","sequence":"additional","affiliation":[{"name":"Department of Pathology (M.L.), H\u00f4pital Tenon, Assistance Publique-H\u00f4pitaux de Paris"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marc","family":"Tassart","sequence":"additional","affiliation":[{"name":"Department of Radiology (M.T.), H\u00f4pital Tenon, Assistance 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Paris"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean-No\u00ebl","family":"Talbot","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine (L.M., V.H., J.O., K.K., S.B., F.M., J-N.T.), H\u00f4pital Tenon, Assistance Publique-H\u00f4pitaux de Paris"},{"name":"Facult\u00e9 de M\u00e9decine Pierre et Marie Curie (J.O., F.M., J-N.T., S.P.), 4 rue de la Chine, Paris, F75020."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sophie","family":"P\u00e9ri\u00e9","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine (L.M., V.H., J.O., K.K., S.B., F.M., J-N.T.), H\u00f4pital Tenon, Assistance Publique-H\u00f4pitaux de Paris"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"80","reference":[{"key":"2020071617465848000_B1","doi-asserted-by":"crossref","first-page":"1201","DOI":"10.1007\/s00259-009-1131-z","article-title":"2009 EANM parathyroid 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