{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T16:07:17Z","timestamp":1784304437736,"version":"3.55.0"},"reference-count":92,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2019,11,1]],"date-time":"2019-11-01T00:00:00Z","timestamp":1572566400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2019,11,1]],"date-time":"2019-11-01T00:00:00Z","timestamp":1572566400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Thyroid\u00ae"],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Gene panels are routinely used to assess predisposition to hereditary cancers by simultaneously testing multiple susceptibility genes and\/or variants. More recently, genetic panels have been implemented as part of solid tumor malignancy testing assessing somatic alterations. One example is targeted variant panels for thyroid nodules that are not conclusively malignant or benign upon fine-needle aspiration (FNA). We systematically reviewed published studies from 2009 to 2018 that contained genetic data from preoperative FNA specimens on cytologically indeterminate thyroid nodules (ITNs) that subsequently underwent surgical resection. Pooled prevalence estimates per gene and variant, along with their respective positive predictive values (PPVs) for malignancy, were calculated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Summary:<\/jats:title>\n                    <jats:p>\n                      Our systematic search identified 540 studies that were supplemented by 18 studies from bibliographies or personal files. Sixty-one studies met all inclusion criteria and included &gt;4600 ITNs. Overall, 26% of nodules contained at least 1 variant or fusion. However, half of them did not include details on the specific gene, variant, and\/or complete fusion pair reported for inclusion toward PPV calculations. The PPVs of genomic alterations reported at least 10 times were limited to\n                      <jats:italic toggle=\"yes\">\n                        BRAF\n                        <jats:sup>V600E<\/jats:sup>\n                      <\/jats:italic>\n                      (98%, 95% confidence interval [CI 96\u201399%]),\n                      <jats:italic toggle=\"yes\">PAX8\/PPARG<\/jats:italic>\n                      (55% [CI 34\u201378%]),\n                      <jats:italic toggle=\"yes\">\n                        HRAS\n                        <jats:sup>Q61R<\/jats:sup>\n                      <\/jats:italic>\n                      (45% [CI 22\u201372%]),\n                      <jats:italic toggle=\"yes\">\n                        BRAF\n                        <jats:sup>K601E<\/jats:sup>\n                      <\/jats:italic>\n                      (42% [CI 19\u201368%]), and\n                      <jats:italic toggle=\"yes\">\n                        NRAS\n                        <jats:sup>Q61R<\/jats:sup>\n                      <\/jats:italic>\n                      (38% [CI 23\u201355%]). Excluding\n                      <jats:italic toggle=\"yes\">\n                        BRAF\n                        <jats:sup>V600E<\/jats:sup>\n                      <\/jats:italic>\n                      , the pooled PPV for all other specified variants and fusions was 47%. Multiple variants within the same nodule were identified in \u223c1% of ITN and carried a cumulative PPV of 77%.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>\n                      The chance that a genomic alteration predicts malignancy depends on the individual variant or fusion detected. Only five alterations were reported at least 10 times;\n                      <jats:italic toggle=\"yes\">\n                        BRAF\n                        <jats:sup>V600E<\/jats:sup>\n                      <\/jats:italic>\n                      had a PPV of 98%, while the remaining four had individual PPVs ranging from 38% to 55%. The small sample size of most variants and fusion pairs found among ITNs, however, limits confidence in their individual PPV point estimates. Better specific reporting of genomic alterations with cytological category, histological subtype, and cancer staging would facilitate better understanding of cancer prediction, and the independent contribution of the genomic profile to prognosis.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/thy.2019.0278","type":"journal-article","created":{"date-parts":[[2019,8,30]],"date-time":"2019-08-30T08:20:37Z","timestamp":1567153237000},"page":"1594-1605","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":61,"title":["Molecular Variants and Their Risks for Malignancy in Cytologically Indeterminate Thyroid Nodules"],"prefix":"10.1177","volume":"29","author":[{"given":"Whitney S.","family":"Goldner","sequence":"first","affiliation":[{"name":"Division of Diabetes, Endocrinology, and Metabolism, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Trevor E.","family":"Angell","sequence":"additional","affiliation":[{"name":"Division of Endocrinology, Diabetes and Metabolism, Keck School of Medicine, University of Southern California, Los Angles, California."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sallie Lou","family":"McAdoo","sequence":"additional","affiliation":[{"name":"Veracyte, Inc., South San Francisco, California."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua","family":"Babiarz","sequence":"additional","affiliation":[{"name":"Veracyte, Inc., South San Francisco, California."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter M.","family":"Sadow","sequence":"additional","affiliation":[{"name":"Pathology Service, Massachusetts General Hospital, Boston, Massachusetts."},{"name":"Department of Pathology, Harvard Medical School, Boston, Massachusetts."},{"name":"Department of Otolaryngology, Massachusetts Eye and Ear, Boston, Massachusetts."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fadi A.","family":"Nabhan","sequence":"additional","affiliation":[{"name":"Division of Endocrinology, Diabetes, and Metabolism, The Ohio State University Wexner Medical Center and Arthur G. 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