髓外白血病的诊治杨世海同济医科大学附属同济医院（４３００３０）白血病是骨髓造血细胞异常增生的恶性疾病。白血病细胞不仅在骨髓内广泛而无限制地增生，且可浸润到身体各组织和器官（如骨骼、肝、脾、淋巴结、中枢神经系统、心、肺、肾及生殖器官等），形成髓外白血病... Diagnosis and treatment of extramedullary leukemia Yang Shihai Tongji Medical University Affiliated Tongji Hospital (430030) Leukemia is a malignant disease of bone marrow hematopoietic cells abnormal proliferation. Leukemic cells not only proliferate extensively and without limitation in the bone marrow, but also infiltrate into tissues and organs (such as bone, liver, spleen, lymph nodes, central nervous system, heart, lung, kidney and reproductive organs, etc.) of the body to form extramedullary leukemia...