Background. Nasopharyngeal carcinoma (NPC) is a type of epithelial carcinoma that arises from the nasopharynx mucosal lining. NPC usually develops in the fossa of Rosenmüller and can spread intracranially or locally as a mass in the head. NPC's initial signs and symptoms are usually unilateral tinnitus, otalgia, nasal sound, hearing loss, nasal congestion, runny nose, blood-mixed mucus, and no…