嗅神经母细胞瘤是一种较少见的鼻腔鼻窦恶性肿瘤，我院自1984～1997年共收治12例。报道如下。1临床资料1．1一般资料：本组12例全部经病理证实。男9例，女3例，年龄2～周岁，平均37岁。病程10天～7年，平均1年1个月。首发症状以进行性鼻塞为主8例占66.7％，合并涕血5例，嗅觉下 Olfactory neuroblastoma is a rare nasal sinus cancer, our hospital since 1984 to 1997 were treated 12 cases. Reported as follows. 1 Clinical data 1.1 General information: All 12 patients in this group confirmed by pathology. 9 males and 3 females, aged 2 ~ years old, an average of 37 years old. Duration of 10 days to 7 years, an average of 1 year 1 month. The first symptom of nasal obstruction mainly 8 cases accounted for 66.7%, combined 5 cases of nasal discharge, olfactory