Synonyms: Smooth muscle myosin heavy chain is mainly used to mark vascular and visceral smooth muscle cells and myoepithelial cells, which is considered to be a more specific and reliable marker of smooth muscle, which is used for the diagnosis and classification of mesenchymal tumors, and for the examination of mammary myoepithelial cells, which is helpful for the distinction between carcinoma in situ and invasive carcinoma.
