{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T19:10:55Z","timestamp":1758395455127,"version":"3.38.0"},"reference-count":10,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2008,5,1]],"date-time":"2008-05-01T00:00:00Z","timestamp":1209600000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vet Pathol"],"published-print":{"date-parts":[[2008,5]]},"abstract":"<jats:p> We report a case of ovarian malignant intermediate-type trophoblastic tumor in a clinically normal, nonpregnant 4-year-old rhesus monkey ( Macaca, mulatta). A large solid lobulated mass replaced the right ovary and filled the pelvis. Multiple metastases were observed within the lungs and the liver. The tumor was histologically identified as predominantly composed of intermediate trophoblastic cells, without prominent hemorrhages and the classic bilaminar pattern of cyto- and syncytiotrophoblastic cells characteristic of choriocarcinoma. Immunohistochemical analysis showed the presence of placental lactogen hormone in many tumor cells and chorionic gonadotropin in a few multinucleated cells consistent with syncytiotrophoblastic differentiation. No other germ cell differentiation was identified in the pelvis mass nor in the metastases. In the absence of previous and present pregnancy, this neoplasm has to be considered as a nongestational malignant placental site trophoblastic tumor of the ovary. <\/jats:p>","DOI":"10.1354\/vp.45-3-375","type":"journal-article","created":{"date-parts":[[2008,5,16]],"date-time":"2008-05-16T18:48:41Z","timestamp":1210963721000},"page":"375-378","source":"Crossref","is-referenced-by-count":9,"title":["Non-gestational Malignant Placental Site Trophoblastic Tumor of the Ovary in a 4-Year-Old Rhesus Monkey"],"prefix":"10.1177","volume":"45","author":[{"given":"E.","family":"Marbaix","sequence":"first","affiliation":[{"name":"Pathology Unit, Universit\u00e9 Catholique de Louvain, Avenue Hippocrate, 56, B-1200, Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Defr\u00e8re","sequence":"additional","affiliation":[{"name":"Gynecology Unit, Universit\u00e9 Catholique de Louvain, Avenue Hippocrate, 56, B-1200, Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. Ho Minh","family":"Duc","sequence":"additional","affiliation":[{"name":"Pathology Unit, Universit\u00e9 Catholique de Louvain, Avenue Hippocrate, 56, B-1200, Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.-C.","family":"Lousse","sequence":"additional","affiliation":[{"name":"Gynecology Unit, Universit\u00e9 Catholique de Louvain, Avenue Hippocrate, 56, B-1200, Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.-P.","family":"Dehoux","sequence":"additional","affiliation":[{"name":"Experimental Surgery Unit, Universit\u00e9 Catholique de Louvain, Avenue Hippocrate, 56, B-1200, Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2008,5,1]]},"reference":[{"key":"bibr1-vp.45-3-375","doi-asserted-by":"publisher","DOI":"10.1354\/vp.42-2-226"},{"key":"bibr2-vp.45-3-375","first-page":"250","volume-title":"World Health Organization Classification of Tumours. 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