It's important to note that each structure is linked to a network of ducts that carry saliva into the oral cavity. While in each of these structures neoplasm or tumor growth is possible, the parotid gland is the most common source of salivary gland tumor. In the parotid gland, more than 80% of all salivary gland tumor occur. Parotid gland tumor could be divided into two main behavioural, benign and malignant categories. Benign tumours usually are the product of several aberrant intracellular…

Pleomorphic adenoma, the most common salivary gland tumour, is also known as benign mixed tumours, as it is the most common in all salivary tumours, representing up to two tiers of all salivary tumours because of its twofold origin from epithelial and myoepithelial elements. While pleomorphic adenoma aetiology is uncertain, in the last 15 to 20 years there has…