Multiple Malignant Salivary Gland Neoplasms: Mucoepidermoid Carcinoma of Palate and Adenoid Cystic Carcinoma of Floor of Mouth

摘要: Salivary gland tumors usually occur as single lesions. To have more than one tumor is unusual. We report a case of an adult male who presented with mucoepidermoid carcinoma involving the minor salivary glands palate at age 57 years, followed by adenoid cystic floor mouth 63 years. The patient later succumbed to non-Hodgkin lymphoma 72 There are 31 acceptable cases multiple malignant neoplasms reported in world literature. Multiple same histologic type common those different type. Bilateral acinic cell adenocarcinoma was most frequent combination malignancy, accounting for 14 (10 synchronous and four metachronous). All involved parotid bilaterally exception that submandibular gland. Polymorphous low-grade accounted three glands. Individuals history malignancy risk development additional should receive appropriate clinical follow-up.