{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T22:13:58Z","timestamp":1787004838037,"version":"build-2736575974"},"reference-count":41,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2003,2,1]],"date-time":"2003-02-01T00:00:00Z","timestamp":1044057600000},"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":["Journal of Feline Medicine and Surgery"],"published-print":{"date-parts":[[2003,2]]},"abstract":"<jats:p>Cystic thymoma was diagnosed in 14 cats in a period of 6 years. The most common clinical sign was laboured breathing. The tumours were characterized by various-sized cystic spaces with central vessels. The epithelial cells varied from oval to spindle to polygonal cells enclosing cystic spaces or in pure epithelial cell components. The nuclei of the neoplastic cells had scattered chromatin and small nucleoli. The cytoplasm was pale eosinophilic. The concentration of mature lymphocytes varied from area to area with rare germinal centres.<\/jats:p>\n                  <jats:p>\n                    Immunohistochemically, the epithelial cells stained only with AE\n                    <jats:sub>1<\/jats:sub>\n                    \/AE\n                    <jats:sub>3<\/jats:sub>\n                    . The central vessels were positive for vimentin, smooth muscle actin, and factor VIII antigen. Electron microscopy revealed that the cyst walls were lined by epithelial cells that were joined by desmosomes, and the walls were well separated from the cystic spaces by a well-defined basement membrane. The neoplastic epithelial cells contained scattered tonofilaments. Three of the cats had metastasis to the lymph nodes and lungs. Two novel cases of ectopic cystic thymoma have also been described. Results of this study reveal that cystic thymoma is uncommon in cats, and that the histomorphologic, immunohistochemical, and electron microscopic features are similar to those of cystic thymoma in humans.\n                  <\/jats:p>","DOI":"10.1053\/jfms.2002.0187","type":"journal-article","created":{"date-parts":[[2003,2,4]],"date-time":"2003-02-04T21:43:33Z","timestamp":1044395013000},"page":"27-35","source":"Crossref","is-referenced-by-count":34,"title":["Feline Cystic Thymoma: A Clinicopathologic, Immunohistologic, and Electron Microscopic Study of 14 Cases"],"prefix":"10.1177","volume":"5","author":[{"given":"AK","family":"Patnaik","sequence":"first","affiliation":[{"name":"Department of Pathology, The Animal Medical Center, 510 East 62nd Street, New York, NY 10021, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"PH","family":"Lieberman","sequence":"additional","affiliation":[{"name":"Department of Pathology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10021, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"RA","family":"Erlandson","sequence":"additional","affiliation":[{"name":"Department of Pathology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10021, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C","family":"Antonescu","sequence":"additional","affiliation":[{"name":"Department of Pathology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10021, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2003,2,1]]},"reference":[{"key":"bibr1-jfms.2002.0187","doi-asserted-by":"publisher","DOI":"10.1016\/0003-4975(90)91143-Y"},{"key":"bibr2-jfms.2002.0187","first-page":"1355","volume":"184","author":"Aronsohn MG","year":"1984","journal-title":"Journal of the American Veterinary Medical Association"},{"key":"bibr3-jfms.2002.0187","first-page":"248","volume":"181","author":"Carpenter JL","year":"1982","journal-title":"Journal of the American Veterinary Medical Association"},{"key":"bibr4-jfms.2002.0187","first-page":"1270","volume":"75","author":"Dubielzig RR","year":"1980","journal-title":"Veterinary Medicine\/Small Animal Clinician"},{"key":"bibr5-jfms.2002.0187","doi-asserted-by":"publisher","DOI":"10.1093\/ajcp\/94.1.36"},{"key":"bibr6-jfms.2002.0187","unstructured":"Erlandson RA (1994) Diagnostic transmission microscopy of tumors. 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