美国衣阿华大学神经外科主任、美国神经外科协会(Neurosurgical Society of America)主席John C.VanGilder教授于1985年10月27日至11月3日来北京访问。访问期间曾两次在北京市神经外科研究所作学术报告。报告的主要内容有:(1)经蝶入路切除垂体腺瘤;(2)寰枕畸形的外科治疗;(3)用深部电极及颞叶切除术诊断、 John C. VanGilder, director of neurosurgery at the University of Iowa in the United States and chair of the Neurosurgical Society of America, came to Beijing from October 27 to November 3, During the visit twice in the Beijing Institute of Neurosurgery for academic reports. The main contents of the report are: (1) transsphenoidal approach to remove pituitary adenoma; (2) surgical treatment of atlanto-occipital deformity; (3) diagnosis with deep electrodes and temporal lobectomy,