A carcinoma that arises from a pleomorphic adenoma in the salivary glands. It usually originates in the parotid gland. Patients usually present with a history of a long-standing tumor mass which grew rapidly in the past few months. Patients with non-invasive or minimally invasive carcinoma have an excellent prognosis. In cases where there is invasion of the surrounding tissues, the clinical course is aggressive. The disease is salivary gland carcinoma ex pleomorphic adenoma (MONDO_0006403). Also known as: saliva-secreting gland carcinoma ex pleomorphic adenoma.