{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T16:38:05Z","timestamp":1783701485480,"version":"3.55.0"},"reference-count":46,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2021,8,1]],"date-time":"2021-08-01T00:00:00Z","timestamp":1627776000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Beijing Municipal Grant for Medical Talents Group on Peritoneal Surface Oncology","award":["2017400003235J007"],"award-info":[{"award-number":["2017400003235J007"]}]},{"name":"Special Fund for the Capital Characteristic Clinical Medicine Development Project","award":["Z161100000516077"],"award-info":[{"award-number":["Z161100000516077"]}]},{"DOI":"10.13039\/501100009601","name":"Beijing Municipal Administration of Hospitals\u2019 Ascent Plan","doi-asserted-by":"crossref","award":["DFL20180701"],"award-info":[{"award-number":["DFL20180701"]}],"id":[{"id":"10.13039\/501100009601","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100004826","name":"Natural Science Foundation of Beijing Municipality","doi-asserted-by":"publisher","award":["7172108"],"award-info":[{"award-number":["7172108"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To investigate the clinicopathological features, diagnosis and differential diagnosis of patients with primary ovarian carcinoid tumours arising in mature cystic teratomas.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective case series analysed the data from patients with primary ovarian carcinoid tumours arising in mature cystic teratomas.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The study enrolled four patients. Histopathological analysis of the tumours identified the following subtypes: insular ( n\u2009=\u20091), trabecular ( n\u2009=\u20091) and strumal ( n\u2009=\u20092). All four primary ovarian carcinoid tumours originated from a mature teratoma. The morphology of the primary ovarian carcinoids was similar to other neuroendocrine tumours. Strumal carcinoids were composed of different proportions of thyroid tissue intimately admixed with carcinoid tumour. Tumour tissue was arranged in insular and\/or trabecular patterns. The nucleus of tumour cells displayed exquisite chromatin without obvious mitotic figures. Tumour tissues were positively stained for neuroendocrine markers chromogranin A, synaptophysin and CD56 to varying degrees. Strumal carcinoid tumours were cytokeratin 19 positive and thyroid transcription factor 1 negative. No recurrence or metastasis occurred during follow-up (12\u201371 months).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Primary ovarian carcinoid tumours arising in mature cystic teratomas are rare. Diagnosis and differential diagnosis should be confirmed by clinical features, histopathological characteristics and specific immunophenotyping.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03000605211034666","type":"journal-article","created":{"date-parts":[[2021,8,30]],"date-time":"2021-08-30T01:48:21Z","timestamp":1630288101000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["Clinicopathological analysis of primary carcinoid tumour of the ovary arising in mature cystic teratomas"],"prefix":"10.1177","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8815-1692","authenticated-orcid":false,"given":"Fengcai","family":"Yan","sequence":"first","affiliation":[{"name":"Department of Pathology, Beijing Shijitan Hospital, Beijing Shijitan Hospital, Capital Medical University, Beijing, 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