Paraganglioma of the Urinary Bladder in a Dog

文献类型: 外文期刊

第一作者: Hu, Shou-Ping

作者: Hu, Shou-Ping;Zhang, Zhuo;Xiao, Fei;Huang, Jia-ni;Mao, Dong-Sheng;Wang, Jing-Fei;He, Xi-Jun

作者机构:

关键词: dog; neoplasia; paraganglioma; urinary bladder

期刊名称:JOURNAL OF COMPARATIVE PATHOLOGY ( 影响因子:1.083; 五年影响因子:1.532 )

ISSN: 0021-9975

年卷期: 2022 年 195 卷

页码:

收录情况: SCI

摘要: A 3-year-old male Bichon Frise developed lethargy, anorexia and haematuria. B-scan ultrasonography examination revealed a small, irregular, soft-textured mass in the bladder. Histopathologically, there was an incomplete fibrous pseudocapsule around the tumour tissue and although there was clear demarcation from the surrounding tissue, there was invasion of the capsule. Tumour cells proliferated in nests or cords of variable size, separated by fibrovascular tissue. The neoplastic cells were immunopositive for chromogranin A, synaptophysin and neuron-specific enolase, and electron microscopy revealed that they contained cytoplasmic secretory granules. On the basis of these findings, the tumour was diagnosed as a primary paraganglioma of the urinary bladder.

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