label: Minor Salivary Gland Carcinoma ex Pleomorphic Adenoma
label_lc: minor salivary gland carcinoma ex pleomorphic adenoma
description: "A carcinoma that arises from a pleomorphic adenoma in the minor salivary glands.  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."