Only four cases of olfactory neuroblastoma isolated in the sphenoid sinus have been described in English literature and the frequency of presenting symptoms with cranial neuropathies and headache.

• 嗅觉神经母细胞瘤常发生在筛状板及上鼻甲，而单纯发生在蝶窦十分罕见，目前全球只有四个病例被报导，多以颅内神经异常及头痛表现。