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Risk of second cancers in survivors of prolymphocytic leukemia: a SEER data analysis

机译:Prolmphocytic白血病幸存者中第二癌症的风险:SEER数据分析

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摘要

Prolymphocytic leukemia (PLL) is a rare, aggressive lymphoid malignancy, characterized by marked lymphocytosis (prolym-phocytes >55%) and splenomegaly, accounting for 2% of all mature lymphocytic leukemias. There are two subtypes of PLL, B-cell prolymphocytic leukemia (B-PLL) and T-cell prolymphocytic leukemia (T-PLL). Morphologically, B-PLL is identical to T-PLL, but extramedullary features are less common, with favorable survival (3 years vs. 7 months) [1]. More than half of patients with B-PLL carry abnormalities in TP53 tumor suppressor gene. The most common chromosome abnormality in T-PLL is abnormality of chromosome 14 (80%), and Trisomy 8 (53%) [2]. Treatment of B-PLL is extrapolated from chronic lymphocytic leukemia (CLL), and alemtuzumab-based chemotherapy improved survival of T-PLL patients.
机译:ProMphocytic白血病(PLL)是一种罕见的腐蚀性淋巴恶性肿瘤,其特征在于标记的淋巴细胞增多症(ProLym-Phicytes> 55%)和脾肿大,占所有成熟淋巴细胞白血病的2%。 PLL,B细胞不含白血病(B-PLL)和T细胞增殖白血病(T-PLL)有两种亚型。 形态学上,B-PLL与T-PLL相同,但仿生特征不太常见,具有良好的存活(3年与7个月)[1]。 超过一半的B-PLL患者在TP53肿瘤抑制基因中携带异常。 T-PLL中最常见的染色体异常是染色体14(80%)的异常,以及三兆癣8(53%)[2]。 B-PLL的治疗从慢性淋巴细胞白血病(CLL)外推,Alemtuzumab的化疗改善了T-PLL患者的存活。

著录项

  • 来源
    《Acta oncologica.》 |2017年第6期|共3页
  • 作者

    Mohamed Abd El-Fattah;

  • 作者单位

    Department of Internal Medicine Faculty of Medicine Suez Canal University Ismailia Egypt;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 肿瘤学;
  • 关键词

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