枕大孔前方肿瘤,即延髓腹侧肿瘤,部位深、手术显露困难,是神经外科高难度、高危险手术,具有较高的死亡率,致残率。目前国内、外学者对该部位病变的手术入路已作了许多临床研究,认为远外侧入路有利于切除枕大孔区前方病变。我科1998年-2004年5月,采用远外侧入路切除枕大孔区前方肿瘤6例,报告如下。 Occipital anterior large hole tumor, that medullary ventral tumor, the site is deep, surgery revealed difficulties, is a neurosurgery difficult, high-risk surgery, with high mortality, morbidity. At present, domestic and foreign scholars have done a lot of clinical researches on the surgical approach of this lesion, and believe that the approach of the far lateral approach is helpful for the removal of the anterior lesion in the foramen magnum. Our department from 1998 to 2004 May, using far lateral approach to remove the front of the hole in the foramen magnum in 6 cases, the report is as follows.