感受性嗅觉减退常见于变态反应或感染性鼻窦炎伴有鼻阻的患者，慢性鼻炎患者常有波动性嗅觉减退。除吸入气流到达嗅裂受阻以外的因素也可能影响嗅觉，嗅感受器在鼻腔内的分布也未完全阐明。作者利用１０６例因鼻病行ＣＴ扫描的门诊患者的资料，于受检前询问其左、右侧嗅觉感受 Sensory loss of common in allergic rhinosinusitis or allergic rhinitis associated with nasal resistance in patients with chronic rhinitis often fluctuating sense of smell loss. In addition to the inhalation of air flow to reach the olfactory fissure factor other factors may also affect the sense of smell, snort receptors in the distribution of the nasal cavity has not been fully elucidated. Using 106 cases of outpatients with CT due to rhinopathy, the authors asked their left and right olfactory sensations before examinations