Case report: CD8 positive T-cell Prolymphocytic Leukemia presenting complex karyotype with a rare chromosomal abnormality der(2)t(1;2)(q21;q37) and additional signals of the genes MYC, IGH, and TP53

病例报告：CD8阳性T细胞前淋巴细胞白血病，具有复杂的核型，包含罕见的染色体异常der(2)t(1;2)(q21;q37)以及MYC、IGH和TP53基因的额外信号。