初级中枢神经系统淋巴瘤:了解细胞原始细胞亚型
Shruti Rao1, Sridhar Epari1, Tanuja M Shet1
1Department of Pathology, Tata Memorial Hospital and ACTREC, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, Maharashtra, India.
主要的中枢神经系统淋巴瘤 (PCNS-DLBCL) 大多是非生殖中心B细胞 (GCB) 或激活B细胞 (ABC) 亚型. 免疫组合化学算法显示了对PCNS-DLBCL原始细胞 (COO) 亚型的分类具有很高的一致性.
科学领域:
- 神经病理学神经病理学
- 血液病理学 血液病理学
- 在瘤学瘤学.
背景情况:
- 主要中枢神经系统扩散型大B细胞淋巴瘤 (PCNS-DLBCL) 是一种罕见的,侵袭性的非霍奇金淋巴瘤.
- 与系统性DLBCL不同,PCNS-DLBCL将其分类为起源细胞 (COO) 亚型是具有挑战性的和有争议的.
- 了解COO亚型对于潜在的向治疗至关重要.
研究的目的:
- 将PCNS-DLBCL分类为COO亚型,使用汉斯和的免疫组织化学算法.
- 评估PCNS-DLBCL这两个算法之间的一致性.
- 调查已确定的亚型的临床放射学和组织形态学特征.
主要方法:
- 在143例PCNS-DLBCL病例中进行了免疫组织化学 (CD10,BCL6,MUM1,GCET,FOXP1).
- 细胞起源 (COO) 亚型使用汉斯和算法确定.
- 分析了临床放射学和组织形态学数据,以确定与亚型的相关性.
主要成果:
- 大多数PCNS-DLBCL病例被归类为非生殖中心B细胞 (GCB) 或激活B细胞 (ABC) 亚型.
- 汉斯的算法确定了84.9%的非GCB和15.1%的GCB亚型.
- 算法确定了90.7%的ABC和9.3%的GCB亚型,算法之间的一致性为91.8%.
结论:
- PCNS-DLBCL主要属于非GCB/ABC COO亚型.
- 免疫组织化学算法在分类PCNS-DLBCL COO亚型方面表现出高度一致性.
- 需要进一步的研究,以充分阐明COO亚型化在PCNS-DLBCL中的实用性.
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