{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T12:49:33Z","timestamp":1792068573104,"version":"4.4.0"},"reference-count":24,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T00:00:00Z","timestamp":1790553600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T00:00:00Z","timestamp":1790553600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["001"],"award-info":[{"award-number":["001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Medical Primatology"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Leydig cell tumors (LCTs) are uncommon in nonhuman primates (NHPs). A bilateral LCT was identified in a 20\u2010year\u2010old male capuchin monkey (\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>Sapajus apella<\/jats:italic>\n                    <\/jats:styled-content>\n                    ) maintained under human care. Ultrasonography revealed a right testicular nodule, while necropsy identified bilateral testicular masses. Histopathology confirmed bilateral LCT. This case documents bilateral LCT in\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>S. apella<\/jats:italic>\n                    <\/jats:styled-content>\n                    , a rare finding in NHPs.\n                  <\/jats:p>","DOI":"10.1111\/jmp.70118","type":"journal-article","created":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T03:59:23Z","timestamp":1790654363000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Bilateral Leydig Cell Tumor in a Capuchin Monkey (\n                    <i>Sapajus\u00a0apella<\/i>\n                    ): Case Report"],"prefix":"10.1111","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9098-4343","authenticated-orcid":false,"given":"Ewerton Louren\u00e7o Barbosa","family":"Favacho","sequence":"first","affiliation":[{"name":"Animal Pathology Laboratory (LAPATO) Federal University of Par\u00e1 (UFPA), Graduate Program in Animal Health in the Amazon (PPGSAAM)  Castanhal Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2578-437X","authenticated-orcid":false,"given":"Sandla Freitas","family":"da Silva","sequence":"additional","affiliation":[{"name":"Animal Pathology Laboratory (LAPATO) Federal University of Par\u00e1 (UFPA), Graduate Program in Animal Health in the Amazon (PPGSAAM)  Castanhal Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-7984-7860","authenticated-orcid":false,"given":"Jamerson Luiz Brito","family":"da Silva","sequence":"additional","affiliation":[{"name":"Ministry of Health, Secretariat of Health Surveillance and Environment National Primate Center  Ananindeua Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8350-9827","authenticated-orcid":false,"given":"Daniella Ka\u00edsa","family":"de Oliveira Bezerra","sequence":"additional","affiliation":[{"name":"Experimental Primate School (EEP) Federal University of Par\u00e1 (UFPA)  Bel\u00e9m Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1622-9849","authenticated-orcid":false,"given":"Val\u00edria Duarte","family":"Cerqueira","sequence":"additional","affiliation":[{"name":"Animal Pathology Laboratory (LAPATO) Federal University of Par\u00e1 (UFPA), Graduate Program in Animal Health in the Amazon (PPGSAAM)  Castanhal Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3218-4169","authenticated-orcid":false,"given":"Gabriela Riet Correa","family":"Rivero","sequence":"additional","affiliation":[{"name":"Animal Pathology Laboratory (LAPATO) Federal University of Par\u00e1 (UFPA), Graduate Program in Animal Health in the Amazon (PPGSAAM)  Castanhal Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1014-2999","authenticated-orcid":false,"given":"Pedro Soares Bezerra","family":"J\u00fanior","sequence":"additional","affiliation":[{"name":"Animal Pathology Laboratory (LAPATO) Federal University of Par\u00e1 (UFPA), Graduate Program in Animal Health in the Amazon (PPGSAAM)  Castanhal Par\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,28]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0684.1992.tb00624.x"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/213521a0"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.2307\/20094835"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.2307\/20094854"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/vetreccr-2019-000841"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/0300985820971752"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00580-025-03679-6"},{"key":"e_1_2_9_9_1","volume-title":"Laboratory Methods in Histotechnology","author":"Prophet E. 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