若齢牛白血病に関する病理学的研究

概要

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A diagnosis of juvenile bovine leukosis was made in elexen animals, whiclnwere examined to clarify the pathologic situation in the bovine leukosis. These animalshad been selected by routine laboratory examinations from among 178 animals with bovineleukosis during the past I l years. Clinico-pathologically, three of the eleven animals weretentatively classified into the thymic type, five into the calf type and the other three intothe intermediate type in which both thymic and calf type lesions were associated. TIT(ldistribution of lesions was somewhat different from that of the adult type of leukosis. Thecalf and thymic types seemed to be located at the two extremes in a single entity of juvenileleukosis. As exceptional cases, one case of the calf type had more than 160 tutrorotzslesions in the subcutis, and another one of the intermediate type a neoplastic invasioninto osseous tissues in the cranial region. The neoplastic cells were not different fromthose of adult type, and Iymphocytic in nature in eight and reticulum-cellular in tltreeanimals. Neither bovine leukemia virus (BLV) nor serum BLV antibodies were detectedfrom four animals examined.
社団法人日本獣医学会の論文
1980-12-25