目的研究阻塞性睡眠呼吸暂停低通气综合征(OSAHS)患者舌骨位置在改良腭咽成形术联合软腭前移术治疗中的预测作用。方法2008年7月至2011年12月期间对128例经多道睡眠呼吸监测确诊的OSAHS患者术前行纤维喉镜检查,均存在腭咽部狭窄。行清醒平静呼气末上气道CT扫描,测量舌骨下缘距下颌骨下缘的垂直距离(the vertical distance between inferior margin o
Background:Resection of sacral chordomas is challenging.The anatomy is complex,and there are often no bony landmarks to guide the resection.Achieving adequate s
Background:The clinical behavior and management of poorly differentiated thyroid carcinoma (PDTC) are very different from papillary thyroid carcinoma (PTC).By c