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Updated: Feb 10, 2026

Olfactory Assays for Mouse Models of Neurodegenerative Disease
Published on: August 25, 2014
[The clinical study of olfactory dysfunction in IgG4-related disease]
1Department of Otorhinolaryngology Head and Neck Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, 223000, China.
Abstract:
Objective:IgG4-related disease is a newly recognized systemic disease, and its elucidation is progressing. However, little is known about its sinonasal manifestations.The aim of this study was to assess the olfaction of patients with IgG4-related disease.Method:Twenty-two patients with IgG4-related disease underwent the odor stick identification test to measure olfactory function.We analyzed the clinical features, including serum IgG4 levels, involved organs, and sinonasal computed tomography scores to explore the etiology of olfactory dysfunction.Result:Eleven patients with IgG4-related disease were found to have olfactory dysfunction. There were no differences in the clinical features between the olfactory dysfunction group and the normal group.Conclusion:There were no correlation between olfactory function and serum IgG4 level, involved organs or sinonasal computed tomography scores.We found that the prevalence of olfactory dysfunction was high in patients with IgG4-related disease and that it could be reversed.Olfactory dysfunction appears to be a novel important manifestation of IgG4-related disease.
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