To date, more than 30 cases of sinonasal small cell neuroendocrine carcinoma have been published in the literature.These tumors often present in patients aged from 50-70 year without sex bias.

• 至于鼻腔小细胞神经内分泌癌截至目前英文文献上约有30馀例的病例报告，好发年龄50岁到70岁，无明显男女性分布差异。