2020•International Journal of Surgical PathologyRequires access

A Case of Adenomyoepithelioma With a Pleomorphic Adenoma-Like Component of the Male Breast

Jotaro Harada, Shinichiro Horiguchi, Toshiyuki Ishiba, Hoshiho Kubota, Miyu Ichida, Natsuko Sakurai, Hideo Arai, Toru Motoi, Tomoyuki Aruga, Tsunekazu Hishima

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Abstract

Adenomyoepithelioma (AME) of the male breast is a rare tumor characterized by biphasic proliferation of gland epithelial cells and myoepithelial cells. Though pleomorphic adenoma (PA) is also known to be an epithelial-myoepithelial tumor in the breast, and these tumors are considered to exist on the same spectrum by some authors, to the best of our knowledge, there have been no reports of a clear transition from AME to PA in the male breast. Therefore, the case of an 85-year-old man with AME with PA-like components is presented.

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What this paper is about

Adenomyoepithelioma (AME) of the male breast is a rare tumor characterized by biphasic proliferation of gland epithelial cells and myoepithelial cells. Though pleomorphic adenoma (PA) is also known to be an epithelial-myoepithelial tumor in the breast, and these tumors are considered to exist on the same spectrum by some authors, to the best of our knowledge, there have been no reports of a clear transition from AME to PA in the male breast. Therefore, the case of an 85-year-old man with AME with PA-like components is presented.

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Available abstract

Adenomyoepithelioma (AME) of the male breast is a rare tumor characterized by biphasic proliferation of gland epithelial cells and myoepithelial cells. Though pleomorphic adenoma (PA) is also known to be an epithelial-myoepithelial tumor in the breast, and these tumors are considered to exist on the same spectrum by some authors, to the best of our knowledge, there have been no reports of a clear transition from AME to PA in the male breast. Therefore, the case of an 85-year-old man with AME with PA-like components is presented.

Key concepts: Myoepithelial cell, Pleomorphic adenoma, Pathology, Adenoma, Medicine, Mammary gland, Salivary gland, Internal medicine

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