一、垂体电刺激疗法的背景1.外科垂体切除在激素依赖性癌的治疗中,很早就应用了外科切除垂体来减少垂体激素的疗法。这个手术原来的目的不在于缓解疼痛,而在于抑制肿瘤的发展使之退化缩小。切除垂体,疼痛也得到缓解,这一事实已众所周知。但这种手术对晚期癌症患者来说损伤太大,而且严重的并发 First, the background of pituitary electrical stimulation therapy 1. Surgical pituitary resection In the treatment of hormone-dependent cancer, surgical removal of the pituitary gland has long been used to reduce pituitary hormone therapy. The purpose of this operation was not to relieve pain, but to suppress the development of the tumor to degenerate it. The fact that the pain has also been relieved by the removal of the pituitary is well known. However, this type of surgery is too invasive for patients with advanced cancer, and severe concurrency