A Case Report of Mammary Carcinoma in Royal Bengal Tiger

Bhartiya Krishi Anusandhan Patrika Pub Date : 2023-04-11 DOI:10.18805/bkap614

B. Manasa, G. Sujani, K. Babu, V. Srinivas, Chetana B. Purushotham, S. Nandani, L. Ratnakumari, Rajesh Kumar

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Abstract

Background: In recent years increased frequency of mammary gland neoplasms have been reported in captive wild felids. Basing on published data, in tigers mammary gland carcinoma always seems to be highly invasive and metastatic. The present report describes a case of Mammary carcinoma with metastasis to lungs in a 20 year old Royal Bengal Tiger. Methods: Detailed necropsy examination of Royal Bengal Tiger revealed the subcutaneous massive lesion in the lower abdominal region. Representative tissue samples were collected in 10% formalin for histopathology examination. Result: Histopathological examination revealed small clusters of neoplastic epithelial cells. Micropapillae lacking fibrovascular cores extending into clear spaces. Cells exhibit moderate anisokaryosis and anisocytosis and variable numbers of mitoses with proliferation of fibrous connective tissue. Microscopic examination of lungs revealed the congestion, edema with focal proliferative neoplastic epithelial cells arranged in small clusters were scattered in the alveolar walls and spaces, indicative of metastasis. These histological features were suggestive of Mammary carcinoma with micropapillary pattern.

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皇家孟加拉虎乳腺癌1例报告

背景:近年来，圈养野生猫科动物中乳腺肿瘤的发病率有所增加。根据已发表的数据，老虎乳腺癌似乎总是高度侵袭性和转移性的。本报告描述一例乳腺癌转移到肺在一个20岁的皇家孟加拉虎。方法:对孟加拉虎进行详细的尸检，发现下腹部皮下肿物。在10%福尔马林溶液中采集有代表性的组织标本进行组织病理学检查。结果:组织病理学检查显示小簇肿瘤上皮细胞。微乳头缺乏纤维血管核心，向清晰空间延伸。细胞表现为中度的异核症和细胞增生，纤维结缔组织增生，有丝分裂数量变化。肺镜检查可见充血水肿，局灶性增生性肿瘤上皮细胞呈小簇排列，分散在肺泡壁和间隙，提示转移。这些组织学特征提示乳腺微乳头状癌。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Bhartiya Krishi Anusandhan Patrika

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