结尾瘤的临床病理概况,特别参考生存数据 - - 一个三级护理中心的经验
Tista Basu1, Mou Das1, Rajarshi Debnath1
1Department of Pathology, IPGME&R, Kolkata, West Bengal, India.
Indian journal of pathology & microbiology
|June 21, 2024
概括
L1CAM是一种有用的标记物,用于识别 supratentorial 末端瘤,特别是在资源有限的环境中. 它的表达与生存相关,有助于预后.
科学领域:
- 神经瘤学神经瘤学
- 中枢神经系统瘤中的表观遗传学
- 末端膜瘤的分子病理学
背景情况:
- 膜瘤显示出显著的异质性,表明表观遗传的参与.
- 目前的分类依赖于DNA甲基化概况 (CNS WHO 2021).
- 在 supratentorial ependymomas 中,L1CAM 是 ZFTA/c11orf95-RELA 融合的潜在替代标记物.
研究的目的:
- 评估L1CAM作为膜瘤的替代标记物的实用性.
- 评估L1CAM表达与临床病理参数和生存率的相关性.
- 确定在资源乏的环境中使用L1CAM的可行性.
主要方法:
- 对43例表膜瘤病例进行了组织病理学检查.
- 针对GFAP,S-100,EMA,Ki-67和L1CAM的免疫组织化学 (IHC) 检测 (在超门病例中).
- IHC发现与临床数据和生存结果的相关性.
主要成果:
- 常见的表瘤位置:脊椎 (成年人),后 (儿科).
- 大多数病例是中枢神经系统WHO 2级.
- 呈阳性L1CAM免疫反应性和较高的Ki-67指数在 supratentorial端膜瘤与低生存率相关.
结论:
- L1CAM作为 supratentorial ependymomas 的有效替代标记物,可能表明ZFTA 融合.
- L1CAM免疫反应与存活率数据一致.
- 需要更大的基于人口的研究来验证.
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