{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T19:46:14Z","timestamp":1791229574681,"version":"4.1.0"},"reference-count":33,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2020,4,8]],"date-time":"2020-04-08T00:00:00Z","timestamp":1586304000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["acsjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Cytopathology"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Morphologic and genetic analysis of thyroid nodules may be performed from a single vial. Preanalytic variables that affect nucleic acid extracted from a single vial are evaluated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Thyroid fine\u2010needle aspiration (FNA) specimens collected in CytoLyt were evaluated. A ThinPrep slide was prepared. Extracted nucleic acids were analyzed using Oncomine Comprehensive Panel, version 2, after Ion AmpliSeq library preparation. A pathologist and a cytotechnologist enumerated specimen cellularity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Fifty\u2010six samples were collected from 55 nodules in 53 patients. Bethesda category correlated with cellularity (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a0.01), and storage time (median, 43\u00a0days; range, 7\u201077\u00a0days) was longer for specimens in categories II and III than for those in categories IV and VI (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a0.01). The mean specimen DNA concentration was 4.5\u00a0ng\/\u00b5L (range, 0\u201023.8\u00a0ng\/\u00b5L), and 25 (45%) had concentrations &gt;3.3\u00a0ng\/\u00b5L. The mean specimen RNA concentration was 4.8\u00a0ng\/\u00b5L (range, 0\u201042.4\u00a0ng\/\u00b5L), and 31 (55%) had concentrations &gt;1.4\u00a0ng\/\u00b5L. Nucleic acid quantity increased with epithelial cellularity. Storage time weakly correlated with the quantity of extracted DNA, independent of cellularity, but not extracted RNA. Greater proportions of cell\u2010free DNA and lesser proportions of long, intact RNA fragments were extracted from a subset of samples with longer storage time. Among 15 single nucleotide variants, the median mutant allelic fraction was 15.1%. One false\u2010negative result was identified. Five specimens subsequently determined to harbor a genetic alteration failed quality metrics.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Cellularity and storage time affect the quantity and quality of nucleic acid extracted from thyroid FNA specimens collected in CytoLyt. Further investigation will serve to quantify the magnitude of such effects and to elucidate other contributing factors.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cncy.22270","type":"journal-article","created":{"date-parts":[[2020,4,8]],"date-time":"2020-04-08T09:03:26Z","timestamp":1586336606000},"page":"656-672","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Preanalytic variables in quality and quantity of nucleic acids extracted from FNA specimens of thyroid gland nodules collected in CytoLyt: Cellularity and storage time"],"prefix":"10.1002","volume":"128","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6624-7116","authenticated-orcid":false,"given":"Jonas J.","family":"Heymann","sequence":"first","affiliation":[{"name":"Division of Cytopathology Department of Pathology and Laboratory Medicine New York\u2010Presbyterian Hospital\u2010Weill Cornell Medical College New York New 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Medicine New York\u2010Presbyterian Hospital\u2010Weill Cornell Medical College New York New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirk E.","family":"Facey","sequence":"additional","affiliation":[{"name":"Division of Cytopathology Department of Pathology and Laboratory Medicine New York\u2010Presbyterian Hospital\u2010Weill Cornell Medical College New York New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan A.","family":"Alperstein","sequence":"additional","affiliation":[{"name":"Division of Cytopathology Department of Pathology and Laboratory Medicine New York\u2010Presbyterian Hospital\u2010Weill Cornell Medical College New York New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hung V.","family":"Tran","sequence":"additional","affiliation":[{"name":"Clinical Genomics Laboratory Department of Pathology and Laboratory Medicine New York\u2010Presbyterian Hospital\u2010Weill Cornell Medical College New 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