对位于迷路下、岩尖区和颅底附近肿瘤的手术径路迄今仍是耳鼻喉科和神经外科有待解决的问题。虽然已经采用过经迷路径路、颅中窝径路或经腭-经咽径路乃至经耳蜗径路,但对上述部位的肿瘤如较大的颈静脉球体瘤,斜坡脊索瘤、胆脂瘤、癌等,均不能提供足够的术野。这类肿 Surgical approaches to tumors located near the petrous apex, the petrous apex, and the skull base are by far the problem to be solved in otolaryngology and neurosurgery. Although have adopted the lost pathways, cranial fossa pathways or by the palate - the pharyngeal path and even the cochlear pathways, but the above parts of the tumor such as larger jugular bulb tumor, ramps chordoma, cholesteatoma, cancer, etc., Can not provide enough surgery field. Such swollen