鼻腔鼻窦嗜酸性细胞乳头状瘤较罕见,患者的发病高峰年龄为50~60岁,男女发病率相等,肿瘤好发于鼻腔侧壁,其次为上颌窦及筛窦。镜下瘤细胞常呈高柱状,胞质内含多量嗜酸性颗粒,排列呈乳头状及腺样,并可见内翻及外翻性成份,有时肿瘤可发生癌变。本文对嗜酸性细胞乳头状瘤的临床病理学特点、诊断与鉴别诊断及患者的预后等做一探讨。 Nasal sinus eosinophilic papilloma is rare, the peak incidence of patients aged 50 to 60 years, the same incidence of men and women, tumors occur in the nasal wall, followed by the maxillary sinus and ethmoid sinus. Microscopic tumor cells often showed high columnar cytoplasm containing a large number of eosinophilic granules, arranged in papillary and adenoid, and visible varus and valgus composition, and sometimes cancer can occur. This article on eosinophilic papilloma clinical and pathological features, diagnosis and differential diagnosis and prognosis of patients to do a discussion.