Noninvasive malignant mammary adenomyoepithelioma in a male cat

Felipe Martins Pastor, Enio Ferreira, Daiana Yively Osório Taborda, Nayara Toledo da Silva Martinez, Geovanni Dantas Cassali, Rogéria Serakides, Natália Melo Ocarino · 2026

Read Noninvasive malignant mammary adenomyoepithelioma in a male cat by Felipe Martins Pastor, Enio Ferreira, Daiana Yively Osório Taborda, Nayara Toledo da Silva Martinez, Geovanni Dantas Cassali, Rogéria Serakides, Natália Melo Ocarino (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13545105.txt.

Description

Felipe Martins Pastor and co-authors report in 2026 a rare breast tumor in a seven-year-old neutered male cat. The tumor blends two cell types, gland cells and the muscle-like cells around them, and it is seldom seen in males at all. The cat was put down because of an unrelated jaw cancer, and the breast lump was studied afterward.

The nodule sat in the right groin-side mammary gland, raised and firm, with some cystic parts. Under the microscope it grew in finger-like patterns without invading nearby tissue. Stain tests confirmed both cell types and showed fast cell division, which supports calling it malignant despite the lack of invasion. The team sets out the full picture for vets.

Catalog record

CREATORFelipe Martins Pastor, Enio Ferreira, Daiana Yively Osório Taborda, Nayara Toledo da Silva Martinez, Geovanni Dantas Cassali, Rogéria Serakides, Natália Melo Ocarino
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE22 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC13545105

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