"The quantity of stem cell matching is the key to the success or failure of a cord blood transplant," says Lin. Most cord blood transplants can only be conducted on children who weigh no more than 30 kilograms, the reason being the limited quantity of stem cells in the cord blood.
「配對吻合度和幹細胞數量，是臍帶血移植成功與否的關鍵，」林凱信醫師指出，臍帶血移植一般多只能在體重 30 公斤以下的孩子身上做，原因就在於臍帶血中能抽取出的幹細胞數量不夠。