NCIt definition : A rare, slow-growing carcinoma that arises from the salivary glands, usually the minor
salivary glands of the oral cavity. It is composed of malignant clear and eosinophilic
cells in a hyalinized stroma. Most cases are associated with translocation of EWSR1
and ATF1, resulting in the formation of EWSR1-ATF1 fusion gene. The prognosis is good.;