Mucoepidermoid carcinoma of parotid gland as a subsequent neoplasm in children treated for acute lymphoblastic leukemia.

We report two cases of mucoepidermoid carcinoma occurring as a second neoplasm following treatment for acute lymphoblastic leukemia. Both patients underwent parotidectomy as the primary treatment. One of them received irradiation in addition to surgery. We discuss the risk of developing MEC as a second malignancy, prognosis, and treatment options.