慢性淋巴样白血病是由不同疾患所组成的一类恶性疾病,其中大多数都为 B 细胞型,故又称“B 细胞型慢性淋巴样白血病”。临床上主要包括三种疾患,即慢性淋巴细胞性白血病(简称 CLL)、幼淋巴细胞性白血病(简称 PLL)、毛细胞性白血病(简称 HLC)。这三种疾患各具有其不同的细胞形态学改变,临床表现及免疫学特征,但均好发于老年人。近年来临床上对以上三者的研究取得了令人可喜的成果,尤其在免疫 Chronic lymphoid leukemia is a group of malignant diseases caused by different diseases, most of which are B cell types, it is also called “B cell type chronic lymphocytic leukemia.” Clinically includes three major diseases, namely, chronic lymphocytic leukemia (CLL), lymphocytic leukemia (referred to as PLL), hairy cell leukemia (HLC). Each of these three disorders has its own different cellular morphological changes, clinical manifestations and immunological characteristics, but all occur in the elderly. In recent years, the clinical research on these three has made gratifying achievements, especially in the immune