1　病例简介患儿女 ,6岁 ,主因左下睑肿胀伴眼球突出 4个月 ,加重2 0天 ,于 2 0 0 2年 1月 2 2日来我院眼科就诊 ,以“左眼眶及上颌窦肿物”收入院。患儿系足月顺产 ,既往体健 ,发病前无明显诱因 ,无家族史。 3个月前曾就诊于当地医院 ,行ＣＴ检查提示“左上颌窦恶性肿瘤 ,侵及 1 case description Children, 6 years old, the main left lower eyelid swelling with eyeball prominent 4 months, 20 days, in January 22nd, 2002 came to our hospital ophthalmology, “left orbit and maxillary sinus Mass ”income hospital. Children with full-term follow-up, previous physical health, before the onset of no obvious incentive, no family history. 3 months ago visited a local hospital, CT examination prompted "left maxillary sinus cancer, invasion and