A benign or malignant tumor characterized by the presence of cells that show myoepithelial differentiation. Based on its morphologic features, it is classified as benign or malignant. A representative example of benign myoepithelioma is benign salivary gland myoepithelioma. Representative examples of malignant myoepithelioma or myoepithelial carcinoma are malignant breast myoepithelioma and salivary gland myoepithelial carcinoma. The disease is MONDO_0002380 (myoepithelial tumor). Also known as: myoepithelial adenoma, myoepithelial neoplasm, myoepithelioma.