Intraductal carcinoma (IDC) is a rare type of noninvasive cancer that starts in the salivary glands, most often in the parotid gland. In this condition, the abnormal cells grow inside the small ducts of the gland and remain surrounded by a protective layer of myoepithelial cells. Because the tumor stays confined to the ducts, IDC …
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A biphasic salivary gland neoplasm is a tumour that arises in one of the salivary glands. It is called biphasic because it comprises two distinct populations of cells: luminal cells (ductal cells) and abluminal cells (basal cells or myoepithelial cells). The luminal cells are typically large round or cuboidal-shaped cells that connect to form round …
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Salivary duct carcinoma is one of the most aggressive types of cancer that starts in the salivary glands — the glands that make saliva. Unlike most salivary gland cancers, it grows quickly, often spreads to lymph nodes early, and can spread to distant sites such as the lungs, bones, and liver. Under the microscope, it …
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Adenoid cystic carcinoma is a type of cancer that most often starts in the salivary glands — the glands that make saliva. It has two unusual features. First, it tends to grow slowly but can come back many years after surgery. Second, it rarely spreads to lymph nodes, but it often spreads along nerves and …
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Pleomorphic adenoma is a noncancerous tumor that starts in the salivary glands — the glands that make saliva. It is the most common salivary gland tumor of any kind, in both adults and children, and accounts for about two-thirds of all salivary gland tumors. The name “pleomorphic” means “many shapes” and refers to the mix …
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