侵袭性骨母细胞瘤多见于四肢、脊柱 ,原发于筛窦者罕见。最近作者遇到 1例 ,报告如下。患者女 ,4 6岁。右侧鼻阻、嗅觉减退伴头痛 3个月 ,右眼球突出、胀痛 1个月。头痛为前额深部持续性胀痛。无脓涕、鼻出血 ,无复视及视力下降 ,无暴露性角膜炎。曾在外院以鼻窦炎给予抗生素治 Invasive osteoblastoma more common in limbs, spine, primary in the ethmoid sinus rare. Recently encountered a case, the report is as follows. Female patient, 4 6 years old. Right nasal resistance, hyposmia with headache 3 months, right eyeballs, pain 1 month. Headache deep forehead deep continuous pain. No purulent nasal discharge, epistaxis, no diplopia and decreased visual acuity, no exposure to keratitis. In the hospital to give sinusitis antibiotics