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白血病前期是指急性白血病明确征象出现之前所表现的血液学异常,这种血液学异常一般预示着将要发展为急性白血病。提出白血病前期的概念已经廿多年了。近几年来,国内也陆续有报导,但白血病前期的特征表现,至今仍捉摸不定。一些血液学异常如“难治性贫血”、“铁粒幼细胞性贫血”、“脾功能亢进”都曾用于称乎具有白血病前期表现的病人。由再生障碍性贫血,阵发性睡眠性血红蛋白尿发展为白血病都有过报道。由于目前所认识的白
Pre-leukemia is a hematologic abnormality that precedes the clear signs of acute leukemia, a hematological abnormality that generally signals an imminent development to acute leukemia. It has been more than 20 years since the concept of leukemia was proposed. In recent years, China has also been reported, but the characteristics of pre-leukemia, still uncertain. Some hematologic abnormalities such as “refractory anemia”, “myeloid leukocytic anemia”, and “hypersplenism” have been used in patients who claim to have pre-leukemic manifestations. From aplastic anemia, paroxysmal nocturnal hemoglobinuria developed leukemia have been reported. Due to the current understanding of the white