Pleomorphic Adenoma Treatment Options and Risk Factors
Pleomorphic adenoma is the most common type of benign (non-cancerous) tumor found in the salivary glands, especially in the parotid gland. The parotid gland is the largest salivary gland and is located in front of the ear and near the jaw. These tumors are also called mixed tumors because they contain different types of cells. Most benign parotid gland tumors are not life-threatening, but they can grow slowly over time. If left untreated, a pleomorphic adenoma can become large and difficult to remove. What causes pleomorphic adenoma in salivary glands? The exact cause of pleomorphic adenoma in salivary glands is not fully known. However, it is believed to be related to abnormal cell growth in the gland. The parotid gland develops early during the embryo stage and grows along with nerves and lymph nodes. Because of this, tumors in this gland are closely related to important structures like the facial nerve. Some possible risk factors include: Radiation exposu...