患者　男 ,40岁 ,因左眼突出 ,复视半年 ,加重 1月来院就诊。查体 :左侧眼球向前突出 ,左侧鼻腔嗅觉减退。检查左鼻腔内有软组织块压迫鼻中隔右偏。　　CT检查 :平扫示左侧鼻腔鼻前庭软组织块影 ,CT值48HU ,向外侵入上颌窦 ,上颌窦内壁骨质破坏 ,面颊软组织肿胀 ;向上累及左筛 Male patient, 40 years old, due to left eye prominent, diplopia six months, increased hospital care in January. Physical examination: the left eye prominent forward, the left nasal smell decreased. Check the left nasal cavity with soft tissue mass pressure nasal septum right deviation. CT examination: plain show the left nasal cavity of the nasal vestibular soft tissue mass, CT value 48HU, outward invasion of the maxillary sinus, the destruction of the maxillary sinus wall, cheek soft tissue swelling;