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相关概念视频

Primary Lymphoid Organs01:16

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Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
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Updated: Mar 6, 2026

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CD5阳性原发性皮肤扩散性大B细胞淋巴瘤,腿类型:一种不寻常的呈现.

Anna A Kozyreva1, Ilya V Tsvetnov1, Kirill A Lyapichev2

  • 1UNIM LLC, Moscow, Russia; and.

The American Journal of dermatopathology
|March 4, 2026
PubMed
概括

CD5阳性原发性皮肤扩散性大B细胞淋巴瘤腿类型 (PCDLBCL-LT) 是罕见的. 这份病例报告详细介绍了一位患者的情况.

关键词:
在R-CHOP中使用R-CHOP.初级皮肤扩散大B细胞淋巴瘤腿类型里图西马布贝瓦西祖马布皮肤 皮肤 皮肤

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科学领域:

  • 血液学 血液学 血液学
  • 在瘤学瘤学.
  • 皮肤病理学 皮肤病理学

背景情况:

  • 初级皮肤扩散大B细胞淋巴瘤腿类型 (PCDLBCL-LT) 是一种侵略性的非霍奇金淋巴瘤.
  • 在PCDLBCL-LT中CD5表达是罕见的,并使诊断复杂化,扩大差异包括其他B细胞淋巴瘤.
  • 准确的诊断对于适当的患者管理和监测至关重要.

研究的目的:

  • 在一位老年女性患者中报告CD5阳性PCDLBCL-LT的罕见病例.
  • 突出这一独特的PCDLBCL-LT子组的诊断挑战和管理.
  • 强调CD5检测在PCDLBCL-LT诊断中的重要性.

主要方法:

  • 一个70岁的女性患有下肢皮肤结节的病例报告.
  • 组织病理学和免疫组织化学分析,包括CD5,CD20,MUM1,BCL2,IgM和cyclin D1.
  • 在MYC,BCL2和BCL6重新排列时进行光在位杂交 (FISH).
  • 用R-CHOP化疗治疗,然后用修复剂-贝瓦西祖马布治疗复发.

主要成果:

  • 组织病理学揭示了一种非典型的大型B细胞的pandermal扩散透.
  • 免疫组织化学证实了CD5 +,CD20 +,MUM1 +,BCL2 +,IgM +,环素D1档案,支持CD5 + PCDLBCL-LT.
  • 对于MYC,BCL2和BCL6重组,FISH结果是负的,排除了双击/三击淋巴瘤.
  • 患者通过R-CHOP获得了初始完全反应,随后通过Rituximab-bevacizumab复发和第二次完全缓解.

结论:

  • CD5阳性定义了一个独特的PCDLBCL-LT亚组,需要仔细的诊断考虑.
  • 常规的CD5检测对于PCDLBCL-LT的准确诊断和差异诊断至关重要.
  • 这一案例强调了对CD5+PCDLBCL-LT的警监测和量身定制的治疗策略的重要性.