2015年1月1日,中国器官移植全面进入公民捐献时代。因此,使用边缘供者捐献器官、扩大边缘供者群体成为增加移植率,减少等待移植受者死亡率的重要方法。使用预存肿瘤供者器官可以导致肿瘤细胞转移至受者,预存肿瘤的供者不适宜进行器官捐献。中枢神经系统肿瘤的颅外转移率极低,仅为0.4‰~2.3‰[1],所以国内外众多学者认为使用因原发中枢 January 1, 2015, China’s organ transplant fully entered the era of citizen donations. Therefore, the use of marginal donors to donate organs, expanding the marginal donor population has become an important method to increase the transplant rate and reduce the mortality rate waiting for transplant recipients. The use of pre-existing tumor-bearing donor organs can lead to the transfer of tumor cells to the recipient, and donor donations of pre-existing tumors are not suitable for organ donation. Central nervous system tumors of the extracranial metastasis rate is very low, only 0.4 ‰ ~ 2.3 ‰ [1], so many scholars at home and abroad that the use of primary center