Nasopharyngeal Carcinoma: The Silent Cancer That Rules Southern China A blocked ear. A bit of blood in the saliva. A painless neck lump. Most people ignore these — until the cancer is already advanced. l What Is Nasopharyngeal Carcinoma? Nasopharyngeal carcinoma (NPC) is a cancer hidden in the nasopharynx — the space behind your nose and above the back of your throat. Globally rare, it is the most common head-and-neck cancer in Southern China, Southeast Asia, and Inuit populations. In parts of Guangdong, incidence tops 30 per 100,000 — over 50× higher than in the West. The Deadly Trio That Causes It Epstein-Barr Virus (EBV) → present in nearly 100% of cases in endemic areas Genetic susceptibility (specific HLA types + family history) Childhood consumption of salted fish and preserved foods (loaded with nitrosamines) Kids in Southern China who ate salted fish weekly had up to 30× higher risk of NPC as adults. ...
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