慢性髓性白血病揭示了它的黑暗面:一个罕见的巨核细胞爆发危机病例
Mehreen Khalid1, Maymoona Suhail2, Alizah Faisal3
1Hematopathology, Armed Forces Institute of Pathology, Rawalpindi, PAK.
Cureus
|September 23, 2024
概括
慢性髓性白血病 (CML) 罕见地转变为大核细胞白血病 (AMKL),预后不佳. 这一案例凸显了对于准确诊断和有效治疗策略的特定标记的需要.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 分子诊断学 分子诊断
背景情况:
- 慢性骨髓性白血病 (CML) 通常通过加速或形阶段进展.
- 转变为巨核细胞阶段是非常罕见的,并与糟糕的结果相关.
- 对标准的氨酸激酶抑制剂 (TKI) 的耐药性使治疗复杂化.
研究的目的:
- 报告一种罕见的CML进展为急性巨核细胞白血病 (AMKL) 的病例.
- 强调这种转变的诊断挑战和临床意义.
- 突出需要特定的诊断标记,以改善治疗策略.
主要方法:
- 一个39岁的女性患有慢性阶段的CML病例报告.
- 诊断工作包括血液样本,骨髓检查,流细胞计,FISH和细胞遗传学.
- 免疫组织化学 (IHC) 和流动细胞测量被用于表征细胞突变形态和免疫表型.
主要成果:
- 患者最初通过尼洛尼布实现了缓解,但随着B症状和细胞衰竭的进展.
- 骨髓评估显示,有84%的弹体对大核细胞标志物 (CD41,CD61) 呈阳性.
- 患者在一个月内死亡,尽管化学疗法 (daunorubicin,cytarabine) 和TKI治疗.
结论:
- 从CML转变为AMKL是一种罕见但危急的事件,预后不佳.
- 准确的诊断需要比BCR-ABL1.1之外的特定巨核细胞标志物.
- 及时和量身定制的疗法对于可能改善这种罕见转变的结果至关重要.
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