患者,男,19岁。因右眼球突出伴复视、溢泪3个月入院。无视力下降及头痛。体检:右眼视力0.8,眼球明显外突,结膜充血,双瞳孔等大、等圆,直径3mm,对光反应灵敏,活动内收受限。CT示眼眶及筛窦内巨大骨瘤,成分叶状,嵌顿于眼眶、上颌窦、颅底、眶尖之间,大小约4.0cm×4.0cm×4.5cm;向 Patient, male, 19 years old. Due to the right eyeball with diplopia, overflowing tears admitted for 3 months. No sight loss and headache. Physical examination: visual acuity of the right eye 0.8, obvious external protrusion of the eye, conjunctival congestion, double pupil and other large, round, diameter 3mm, sensitive to light, limited activities. CT showed large orbital and ethmoid giant osteoma, component leaf-shaped, incarcerated in the orbit, maxillary sinus, skull base, orbital apex between the size of about 4.0cm × 4.0cm × 4.5cm; to