Retroperitoneal Teratoma in a Domestic Rabbit (Oryctolagus cuniculus)

被引:2
作者
Mutinelli, Franco [1 ]
Carminato, Antonio [1 ]
Bozzato, Elisa [1 ]
Marchioro, Wendy [1 ]
Trevisan, Laura [1 ]
Vascellari, Marta [1 ]
机构
[1] Ist Zooprofilatt Sperimentale Venezie, Dept Histopathol, I-35020 Padua, Italy
关键词
EXTRAGONADAL TERATOMAS; INTRACRANIAL TERATOMA; ADRENAL TERATOMA; HISTOGENESIS;
D O I
10.1292/jvms.71.367
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Teratomas are histologically complex tumors arising from germ cells of two or three embryonic layers either in the gonads or occasionally from germ cells that mistakenly migrated to ectopic sites. A case of retroperitoneal teratoma in a regularly slaughtered 4-month-old, male domestic rabbit is reported. A pale reddish, 3 x 4 cm, fibrous mass was detected, loosely connected to the parietal wall in the retroperitoneal region cranial to the kidney. Histologically, the neoplasm contained tissues from ectodermal, endodermal and mesodermal germ layers: nerves and neurons simulating ganglia, cysts lined by squamous epithelium containing keratin and hair, skin adnexa; respiratory glandular epithelium, serous and salivary glands; collagenous connective tissue, muscle fibers, mature cartilage and bone, bone marrow, teeth and fat. To the authors' knowledge this is the first report of a retroperitoneal teratoma in the rabbit.
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页码:367 / 370
页数:4
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