临床资料患者(住院号r-24×××),女性,57岁,主诉右鼻孔流液8个月余,于2007年12月转入我院。2007年4月在无明显诱因下出现右侧鼻孔流黄色黏稠涕,2个月后症状有所加重。当地医院鼻窥镜检查,诊断为鼻窦炎等,予以内镜下鼻黏膜烧灼治疗。术后鼻孔流液一直未有明显改善,同时流出液色变清,漏出液糖定性(+),考虑为脑脊液。查CT发现鞍区占位,内分泌检查未见异常。患者无外伤史,无体重异常增加,无乏力、怕冷或其他不适主诉。入院时患者一般情况良好,头低位时右 Clinical data Patients (hospital number r-24 × × ×), 57-year-old female, complained of right nostril fluid more than 8 months, in December 2007 transferred to our hospital. In April 2007 there was no obvious incentive to appear under the right nostril yellow viscous tears, 2 months after the symptoms have increased. Local hospital nasal speculum examination, diagnosis of sinusitis, endoscopic nasal mucosal cautery treatment. Postoperative fluid flow of the nose has not been significantly improved, while out of liquid color clear, qualitative leakage of liquid sugar (+), considered as cerebrospinal fluid. Check CT found saddle area, no abnormal endocrine examination. No history of trauma patients, no abnormal weight gain, no fatigue, cold or complaints of other complaints. On admission, patients generally good, head low when right