Which of the following increases the risk of salivary gland tumors?: (A) Radiotherapy to head and neck, (B) Exposure to silica dust, (C) Early menarche and nulliparity, (D) All of the above
Answer is D. ETIOLOGY OF SALIVERY GLAND TUMORS - Radiotherapy to head and neck (for mucoepidermoid carcinoma) - EBV infection (for lymphoepithelial carcinoma) - Exposure to silica, dust, nitrosamines - Increased risk in females with early menarche and nulliparity - Trisomy 5 in primary mucoepidermoid carcinoma of minor salivary glands. - Polysomy of 3 and 17 especially in adenoid cystic carcinoma.