{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T02:06:32Z","timestamp":1787018792851,"version":"build-2736575974"},"reference-count":40,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[1992,5,1]],"date-time":"1992-05-01T00:00:00Z","timestamp":704678400000},"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":[[1992,5]]},"abstract":"<jats:p>A retrospective histologic study was made of 1,198 cases of bovine lymphoma using the National Cancer Institute Working Formulation for human non-Hodgkin's lymphoma. This classification scheme was found to be readily applicable to bovine lymphoma. Most of the cell types described in the National Cancer Institute Working Formulation occurred in this series of bovine lymphomas, but the distribution of cell types varied markedly compared to that of human beings. Eighty-nine percent (1,067\/1,198) of bovine lymphomas were high-grade tumors. The diffuse large cell type and its cleaved variant comprised 65.9% of all bovine lymphomas. Similar to the dog, but in marked contrast to human beings where at least 34% of non-Hodgkin's lymphomas were follicular, follicular tumors were found to be extremely rare in cattle (0.3% or 4\/1,198). The prevalence of cell types varied significantly between the enzootic and sporadic lymphomas. The cleaved variant of the diffuse large cell type constituted 38% (406\/1,072) of enzootic lymphomas versus 14% (18\/126) of sporadic lymphomas. The mitotic index (100 \u00d7 oil immersion field, 175 \u03bcm in diameter) of enzootic lymphomas (3.72 \u00b1 0.06, mean \u00b1 standard error) was significantly greater than the mitotic index of sporadic lymphomas (2.82 \u00b1 0.17). We concluded that the cleaved variant of the diffuse large cell type with high mitotic index is characteristic of enzootic lymphoma. This characteristic high-grade cell type may be a consequence of the viral etiology of the enzootic form of bovine lymphoma.<\/jats:p>","DOI":"10.1177\/030098589202900301","type":"journal-article","created":{"date-parts":[[2010,3,8]],"date-time":"2010-03-08T17:19:33Z","timestamp":1268068773000},"page":"183-195","source":"Crossref","is-referenced-by-count":35,"title":["Classification of 1,198 Cases of Bovine Lymphoma Using the National Cancer Institute Working Formulation for Human Non-Hodgkin's Lymphomas"],"prefix":"10.1177","volume":"29","author":[{"given":"W.","family":"Vernau","sequence":"first","affiliation":[{"name":"Department of Pathology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V. E. 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