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Primary mucoepidermoid carcinoma of the breast arising in adenomyoepithelioma
  1. Chau M Bui and
  2. Shikha Bose
  1. Department of Pathology and Laboratory Medicine, CSMC, Los Angeles, California, USA
  1. Correspondence to Dr Chau M Bui; chaubuiminh1{at}


Mucoepidermoid carcinoma (MEC) and adenomyoepithelioma (AME) are uncommon neoplasms of the breast that are more commonly noted in the salivary glands. AMEs are benign tumours that are known to undergo malignant transformation. This report describes the first case of a MEC arising in AME in a woman in her 50s.

  • Breast cancer
  • Pathology

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  • Contributors SB and CB conceived of the presented idea. CB collected/interpreted data and drafted the manuscript. SB reviewed and approved the version to be published.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.