患者女，26岁，因发现左上颈肿块4年余，加重伴声嘶，饮食返呛，左耳鸣耳聋2年余。患者曾于1988年外院发现左舌肌萎缩，未引起注意。近几年以来，发现颈部包块才来就诊，CT片示：左上颈、左侧后颅凹、岩骨桥小脑用及左小脑与枕大孔、l～2颈椎左后方多量骨性肿块。左耳后上颈可 The female patient, 26 years old, had left her upper neck lumps for more than four years, aggravated shedding, returned to her diet, and had left tinnitus and deafness for more than two years. The patient had found atrophy of the left lingual muscle in the outer court in 1988 and did not pay attention. In recent years, it was discovered that the neck mass came for treatment. CT scan showed: left upper neck, left posterior fossa, petrous cerebellar and left cerebellar and occipital foramen, l~2 cervical spine left and rear mass bony mass . Left ear and upper neck