Significance of sellar dura biopsy during transsphenoidal surgery in the diagnosis of pituitary adenoma invasiveness .

鞍底硬脑膜取检对垂体腺瘤侵袭性诊断的意义。

Conclusion : esophageal carcinosarcoma is an independent entity with little invasiveness , low lymph node metastasis and good prognosis .

结论：食管癌肉瘤是一种侵袭性差，淋巴结转移率低，预后较好的肿瘤。

Conclusion : the treatment of ureterolith through aerodynamic trajectory lithotrity by urs has such advantages as high cure rate and safety , minimal invasiveness , reduced complications and low expense , etc. it may serve as a choice of method to treat ureterolith .

结论：经输尿管肾镜行气压弹道碎石治疗输尿管结石具有治愈率高、安全、微创并发症少、费用低等优点，是治疗输尿管结石的首选方法。