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M. R. Saseendranath

Kerala Veterinary and Animal Science University, Mannuthy, Thrissur, INDIA

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SPONTANEOUS MAMMARY FIBROADENOMAS IN AWISTAR RAT COLONY

M. Thangapandiya, J. Selvaraj, S.P. Preetha, R. Gayathri Devi

Affiliations

¹Laboratroy Animal Medicine Unit, Tamilnadu Vety. and Ani. Sci. Univ., Chennai - 600 051, India.

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Cite article:- Thangapandiya M., Selvaraj J., Preetha S.P., Devi Gayathri R. (2025). SPONTANEOUS MAMMARY FIBROADENOMAS IN AWISTAR RAT COLONY. Indian Journal of Animal Research. 45(4): 322 - 323. doi: .

ABSTRACT

Necropsy examination was conducted on two adult female Wistar rats, aging 16 and 18 months that were presented with a history of a gradually increasing mass in their lower abdominal region. Gross examination revealed firm, hard, localized, well-encapsulated masses in the inguinal pair of the mammary glands. Microscopically, the acinar structures were surrounded by distinct interlobular and intralobular connective tissues. Acini were of varying shapes and sizes and irregularly placed among the fibrous stroma. The histological pattern and the nature of the tumour in older female rats were sufficient to confirm the diagnosis as mammary fibroadenomas.

KEYWORDS

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