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OBJECTIVE To evaluate the role of brain-derived neurotrophic factor (BDNF) in allergic rhinitis of rat. METHOD Thirty SD rats free of disease were randomly divided into two groups. A model of allergic rhinitis rat was established by using ovalbumin intraperitoneal immunization and intranasal antigen challenge. The nasal mucosa from 18 out of 20 AR models(More)
Ethmoid sinus foreign body can be divided into endogenous and exogenous, the clinically referred mostly belonging to the exogenous foreign body. The exogenous ethmoid sinus foreign body generally has a history of facial trauma, its clinical manifestations are associated with the foreign body size, nature, residence time and location. Using X-ray, CT scan(More)
OBJECTIVE To study the olfactory function in rats by manganese-enhanced magnetic resonance imaging (MEMRI) and explore the regeneration of olfactory system from the imaging. METHODS Thirty-five adult male Sprague-Dawley (SD) rats were randomly divided into three groups. Twenty rats with bilateral nasal instillation of TritonX-100 were used as olfactory(More)
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