浆细胞肉芽肿(plasma cell granuioma,PCG)是一种罕见的病因不明的良性炎性肿块,可发生于全身各个部位,以肺部最常见〔1〕,而发生于鼻腔、鼻窦者少见。我科收治3例鼻腔鼻窦PCG患者,现报告如下。1病例报告例1男,12岁,因“偶然发现左眼外凸3d”于2001年6月7日入院。入院前3天患儿家属偶然发现患儿左眼外凸,无眼球活动障碍、视力下降、鼻阻、流脓涕、发热等不适。入院查体:左眼球轻微外 Plasma cell granuloma (PCG) is a rare benign inflammatory mass with unknown etiology that can occur in all parts of the body, most commonly in the lungs [1], but rare in the nasal cavity and nasal sinus. We admitted 3 cases of nasal sinus PCG patients, are as follows. 1 Case Report 1 male, 12 years old, “accidentally found left eye convex 3d ” was admitted on June 7, 2001. 3 days before admission, children with family members occasionally found the left eye in children with convex, no eye movement disorders, decreased vision, nasal resistance, purulent tears, fever and discomfort. Admission examination: the left eye slightly outside