白血病细胞尤其是伴有粒单分化的髓系细胞、T淋巴细胞常并发髓外组织浸润,成为白血病复发、死亡的重要因素。如同其它恶性实体瘤一样,参与其浸润及调控的因子众多,而且它们之间存在着促进或抑制的复杂关系。 Leukemic cells, especially with mononuclear myeloid cells, T lymphocytes often complicated by extramedullary tissue infiltration, a recurrence of leukemia, an important factor in the death. As with other malignant solid tumors, there are many factors involved in its infiltration and regulation, and there is a complex relationship between them promoting or inhibiting.