骨母细胞瘤发生于鼻窦者少见。我院25年(1960 ～1985)仅遇2例,报告如下: 例1:男,28岁,因鼻根部包块1年,近月迅速长大伴流泪,视力模糊,局部胀痛,于1980年1月2日入院。体格检查全身无异常发现。专科检查:右侧鼻根部偏右侧内眦可扪及一葫豆大肿物,质坚、表 Osteoblastoma occurs in the sinus are rare. In our hospital 25 years (1960 ~ 1985) only two cases, the report is as follows: Example 1: Male, 28 years old, due to nasal root mass 1 year, the rapid growth in recent months with tears, blurred vision, local pain, in 1980 January 2 admission. Physical examination no abnormal body found. Specialist examination: the right side of the nasal root on the right side of the infraorbital palpable large gourd beans, quality, table