Nasopharyngeal cancer at an early stage is often difficult to know because it was hidden behind the nasal cavity or upper behind of palate the oral cavity.
The early symptoms of nasopharyngeal cancer, among others:
1. In the ear: the form of a buzzing sound and feel full on one side without pain until the inflammation is reduced.
2. On the nose: the form of a little and repeated nosebleeds, nasal mucus mixed with blood, persistent nasal congestion, and cold on one side.
The further symptoms of nasopharyngeal cancer include:
1. Neck: enlarged cervical lymph nodes.
2. Eyes: squint, double vision, eyelid closes on the affected side.
3. Head: aches and pains.
The main causes of nasopharyngeal cancer is the Epstein Barr virus infection. However, there are several other factors that influence or trigger the disease, namely:
1. Environmental factors, such as irritation by chemicals.
2. The habit of cooking with smoked or burned.
3. Often eating anchovies preserved with nitrosamines in the long term.
4. Those who are in the work environment are often exposed to the gas and chemical industry, smelting iron, formaldehyde, and sawdust, is at risk of developing malignant disease. Including those who are frequently exposed to incense in the long term, susceptible to nasopharyngeal carcinoma.
