{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:28:37Z","timestamp":1787646517850,"version":"build-2736575974"},"reference-count":33,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2024,10,7]],"date-time":"2024-10-07T00:00:00Z","timestamp":1728259200000},"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":["Int J Surg Pathol"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Ovarian neuroendocrine tumors are rare and often arise within mature teratoma of the ovary. No recent re-evaluation of the immunophenotype of these tumors with the new markers available in the field of neuroendocrine neoplasms has been performed. The objectives were to describe the morphologic and immunohistochemical characteristics of neuroendocrine tumors (NETs) arising from ovarian teratomas, to correlate them with the type of teratomatous epithelial components present and to evaluate their proliferative activity using the WHO recommendations for gastroenteropancreatic NETs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>This is a bi-centric retrospective study using a panel of markers (chromogranin-A, chromogranin-B, synaptophysin, CDX2, SATB2, TTF1, PAX8, islet-1, serotonin and calcitonin) and Ki-67 proliferation index.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The 34 NETs studied were unilateral and presented when it's done four distinct immunophenotypic profiles: 8 NETs expressed serotonin and CDX2 (small intestinal profile), 12 SATB2 (colorectal profile), one TTF1 (thoracic profile) and 4 \u201cnull\u201d tumors expressed none of the above markers. The Ki-67 index ranged from 0 to 19.82% (median: 1.51%). 28 tumors were grade 1 (85%), 5 tumors were grade 2 (15%). They were associated with squamous (n\u2009=\u200926), respiratory (n\u2009=\u200923), thyroid (n\u2009=\u200910) and gastrointestinal (n\u2009=\u20095) components.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion and Conclusion<\/jats:title>\n                    <jats:p>The main type of NET is intestinal phenotype, but rarely accompanied with digestive tissue. This suggests that the cell of origin may be a neuroendocrine precursor present in the teratoma, and confirms that primary NETs arising in ovarian teratomas should not be classified or named according to the type of the surrounding teratoma tissue.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/10668969241271923","type":"journal-article","created":{"date-parts":[[2024,10,8]],"date-time":"2024-10-08T06:29:21Z","timestamp":1728368961000},"page":"605-614","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Updated Morphological and Immunohistochemical Profile of Neuroendocrine Tumors Developing in Ovarian Teratomas: A Large Series of a Rare and Heterogeneous Disease"],"prefix":"10.1177","volume":"33","author":[{"given":"J.","family":"Leclerc","sequence":"first","affiliation":[{"name":"Centre Hospitalo-Universitaire de Rouen"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Tihy","sequence":"additional","affiliation":[{"name":"H\u00f4pital Bichat"},{"name":"AP-HP"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Genestie","sequence":"additional","affiliation":[{"name":"Institut Gustave Roussy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Chen","sequence":"additional","affiliation":[{"name":"H\u00f4pital Bichat"},{"name":"AP-HP"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O.","family":"Hentic","sequence":"additional","affiliation":[{"name":"AP-HP"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Koskas","sequence":"additional","affiliation":[{"name":"AP-HP"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Gouy","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Surgery, Institut Gustave Roussy, Villejuif, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1604-6823","authenticated-orcid":false,"given":"JY.","family":"Scoazec","sequence":"additional","affiliation":[{"name":"Institut Gustave Roussy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Couvelard","sequence":"additional","affiliation":[{"name":"H\u00f4pital Bichat"},{"name":"AP-HP"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0904-3336","authenticated-orcid":false,"given":"Margot","family":"Bucau","sequence":"additional","affiliation":[{"name":"H\u00f4pital Bichat"},{"name":"AP-HP"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,10,7]]},"reference":[{"key":"e_1_3_2_2_2","volume-title":"WHO Classification of Tumours Editorial Board. 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