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白血病前期(Pl)由于与急性白血病(Al)密切相关,一直受到关注,尤其是近十多年来,临床与实验研究进展都很快,积累的许多资料为弄清 Pl的本质、制订诊断标准和寻找有效治疗提供了依据,而且对解决 Al 的防治也十分重要。当然,也还有许多问题待解决。命名Pl 主要是指 Al 在确诊前的一段时间里出现既不能确诊为 Al 又不能判定其性质的血液学异常。由于对这类血液学异常认识的不一致,至今命名仍很紊乱。巴黎 Pl 命名座谈会(1975)认为 Pl 总是多系造血细胞受累,建议用造血组
The early stage of leukemia (Pl) is closely related to acute leukemia (Al). Especially in recent ten years, the progress of clinical and experimental research is fast. Many information accumulated in order to find out the essence of Pl and formulate diagnostic criteria And to find a basis for effective treatment, but also to solve the prevention and treatment of Al is also very important. Of course, there are still many problems to be solved. Named Pl mainly refers to Al in the period before the diagnosis of both can not be confirmed as Al hematological abnormalities can not determine its nature. Due to the inconsistent understanding of these hematological abnormalities, the nomenclature so far is still disordered. Pl Pl Naming Symposium (1975) that Pl is always multi-line hematopoietic cell involvement, it is recommended to use hematopoietic group