Breast Myoepithelial Neoplasm, also known as malignant breast myoepithelioma, is related to breast adenomyoepithelioma and breast myoepitheliosis, and has symptoms including pain An important gene associated with Breast Myoepithelial Neoplasm is KRT5 (Keratin 5), and among its related pathways/superpathways are Nervous system development and Cell junction organization. Affiliated tissues include breast.