Nasopharyngeal Ca is caused by:
Correct Answer: EBV
Description: Etiology of Nasopharyngeal Carcinoma Genetic: It is most common in China. Viral: Epstein-Barr virus is closely associated with nasopharyngeal cancer. Epstein-Barr virus has identified in tumor epithelial cells (not lymphocytes) of most undifferentiated and nonkeratinizing squamous cell carcinoma. Environmental: Burning of incense or wood (polycyclic hydrocarbon); smoking of tobacco and opium; air pollution; nitrosamines from dry salted fish along with vitamin C deficient diet have been linked to the etiology of nasopharyngeal cancer.
Category:
ENT
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