NCIt definition : A low grade malignant epithelial neoplasm arising from the salivary gland. It usually
arises from the oral cavity, with approximately 60% of the cases involving the palate.
The most common presenting sign is a painless mass in the palate. It is characterized
by the presence of uniform, small to medium size malignant epithelial cells and an
infiltrating pattern. There is a variety of morphologic patterns which may be present
within an individual tumor, including lobular, papillary, papillary-cystic, cribriform,
and trabecular pattern. It usually has a favorable clinical outcome and a low metastatic
potential.;