近年来,对造血干细胞据以增殖和分化的造血微环境研究已引起广泛重视,它不仅是临床血液学工作者而且也是放射生物学者所关注的新课题。目前的研究虽不能全面阐明骨髓造血微环境,但已取得了不少进展。本文仅就近年的文献简要综述如下。 In recent years, the research on hematopoietic microenvironment based on proliferation and differentiation of hematopoietic stem cells has attracted a great deal of attention. It is not only a new topic of concern to clinical hematology workers but also radiologists. Although the current research can not fully elucidate the hematopoietic microenvironment of bone marrow, a lot of progress has been made. This article only a brief overview of recent literature is as follows.