嗅神经母细胞瘤(Olfactory Neuroblastoma或Esthesioneuroepithelioma)是一种罕见的鼻腔恶性肿瘤,现将我院自1973年以来收治的12例报道如下: 临床资料 本组12例,男7例;女5例。年令为13岁～56岁,呈双峰式分布,10到19岁为第一个高峰占4例(33.3％),50～59岁为第二个高峰占3例(25％),与Elkon等报道相似。 症状出现至就诊时间从20天到4年,其中 Olfactory neuroblastoma (Osfactory Neuroblastoma or Esthesioneuroepithelioma) is a rare nasal malignant tumor. Now 12 cases reported in our hospital since 1973 are reported as follows: Clinical data 12 cases in this group, 7 males and 5 females. The annual orders ranged from 13 to 56 years old, with a bimodal distribution. The first peak accounted for 43.3% of the patients aged 10 to 19 years old, and the second peak accounted for 3 cases (25%) aged 50 to 59 years. Elkon et al. reported similarities. Symptoms appear until the consultation time from 20 days to 4 years, including