7.1 Bacterial Infection Bacterial Infections Salivary gland infections are in general not a common condition. The incidence, complications, and mortality rates of salivary gland infections have decreased largely due to improved oral hygiene and advances in health care. There remains…
Introduction Nasopharyngeal carcinoma (NPC) is a squamous cell carcinoma of an undifferentiated type. This cancer is endemic among Chinese, having the highest incidence of 10 to 20 per 100,000 for men and 5 to 10 per 100,000 for women. It…
Introduction Certain ethnogeographic groups have been found to have an increased risk of developing nasopharyngeal carcinoma (NPC). Studies have shown that among the Chinese, there is a very high incidence of NPC affecting 10 to 20 per 100,000 for men…