{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T09:45:47Z","timestamp":1767951947963,"version":"3.49.0"},"reference-count":33,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T00:00:00Z","timestamp":1767916800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>This report describes postmortem findings after the sudden death of a captive-bred middle-aged male cotton-top tamarin (Saguinus oedipus). A firm structure was attached to the pleura in the chest cavity and was assessed as a primary tumor without obvious metastasis. Histologically, the mass showed heterogenicity with immunohistochemistry (IHC) reactivity to vimentin, suggesting a diagnosis of fibrosarcoma of mesenchymal origin.<\/jats:p>","DOI":"10.3390\/ani16020195","type":"journal-article","created":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T08:09:06Z","timestamp":1767946146000},"page":"195","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Fibrosarcoma Originating from the Pleura in Cotton-Top Tamarin [Oedipomidas (Saguinus) oedipus, Linnaeus 1758]"],"prefix":"10.3390","volume":"16","author":[{"given":"J\u00e1nos","family":"G\u00e1l","sequence":"first","affiliation":[{"name":"Department of Exotic Animal, Wildlife, Fish and Honeybee Medicine, University of Veterinary Medicine, Istv\u00e1n u. 2, 1078 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Endre","family":"S\u00f3s","sequence":"additional","affiliation":[{"name":"Department of Exotic Animal, Wildlife, Fish and Honeybee Medicine, University of Veterinary Medicine, Istv\u00e1n u. 2, 1078 Budapest, Hungary"},{"name":"Budapest Zoo and Botanical Garden, \u00c1llatkerti Krt. 6-12, 1146 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c1risz","family":"Ziszisz","sequence":"additional","affiliation":[{"name":"Department of Exotic Animal, Wildlife, Fish and Honeybee Medicine, University of Veterinary Medicine, Istv\u00e1n u. 2, 1078 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0354-1892","authenticated-orcid":false,"given":"M\u00e1rton","family":"Hoitsy","sequence":"additional","affiliation":[{"name":"Department of Exotic Animal, Wildlife, Fish and Honeybee Medicine, University of Veterinary Medicine, Istv\u00e1n u. 2, 1078 Budapest, Hungary"},{"name":"Budapest Zoo and Botanical Garden, \u00c1llatkerti Krt. 6-12, 1146 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3447-4469","authenticated-orcid":false,"given":"M\u00edra","family":"M\u00e1ndoki","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Veterinary Medicine, 1078 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7408-0347","authenticated-orcid":false,"given":"D\u00f3ra","family":"Csat\u00e1ri","sequence":"additional","affiliation":[{"name":"Department of Exotic Animal, Wildlife, Fish and Honeybee Medicine, University of Veterinary Medicine, Istv\u00e1n u. 2, 1078 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zolt\u00e1n","family":"Vincze","sequence":"additional","affiliation":[{"name":"Department of Exotic Animal, Wildlife, Fish and Honeybee Medicine, University of Veterinary Medicine, Istv\u00e1n u. 2, 1078 Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,1,9]]},"reference":[{"key":"ref_1","unstructured":"(2025, November 30). 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