作者fax2263 (还没想到)
看板CMU_M48
标题[Ｄ组] ENT的同学请进
时间Thu Mar 3 19:14:44 2011
NPC的常见症状
(1)Pain less neck mass
(2)Aural symptoms(tinnitus,unilateral hearing loss, Serous otitis media)
(3)Nasal symptoms(discharge with blood-stain,unilateral nasal obstruction)
(4)Neurologic symptoms(headache,diplopia,facial paresthesia)
NPC risk factor
(1)Ethnic factor(Southeast Chinese)
(2)Diet factor(nitrite,salt fish)
(3)EBV infection
(4)Smoking
(5)Gender male>female 3:1
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