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扩散透性视网母细胞瘤:一个多中心的国际数据共享研究.

Ankit Singh Tomar1, Paul T Finger2, Brenda Gallie3

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扩散透性视网膜母细胞瘤 (DIR) 影响大约每20名患者中就有1名患者,并且经常呈现出玻璃眼瘤或出血. 这种形式的视网膜母细胞瘤比非DIRcT3更致命,核化揭示了高危病理.

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科学领域:

  • 眼科医生 眼科 眼科
  • 儿科瘤学 儿科瘤学
  • 视网母细胞瘤研究

背景情况:

  • 扩散透性视网膜母细胞瘤 (DIR) 是一种罕见的视网膜母细胞瘤亚型.
  • 了解其独特的临床表现和治疗结果对于改善患者存活率至关重要.

研究的目的:

  • 描述扩散透性视网膜母细胞瘤的独特临床特征.
  • 评估与DIR相关的治疗结果和生存率.
  • 在病理和预后方面,将DIR与非DIR视网膜母细胞瘤进行比较.

主要方法:

  • 国际,多中心,基于注册的回顾性案例系列.
  • 分析了2001年1月至2013年12月期间被诊断患有DIR的132名患者的132只眼睛的综合数据.
  • 与非DIR视网膜母细胞瘤病例的临床和病理特征,治疗策略和生存率的比较.

主要成果:

  • DIR占视网膜母细胞瘤病例的4.6%,诊断时的平均年龄为24个月.
  • 常见的临床特征包括继发性玻璃眼 (67%),视网膜脱落 (38%) 和玻璃体出血 (50%).
  • 对cT3 DIR的5年生存率明显低 (82%) 比对cT3非DIR (94%),转移性死亡风险更高 (HR,3.3).
  • 在DIR中,高风险的病理特征更频繁 (41%对28%).

结论:

  • 扩散透性视网膜母细胞瘤的特点是具有特定的临床表现,如玻璃眼和前段参与.
  • 与非DIR视网膜母细胞瘤相比,DIR与较差的生存结果有关,特别是在cT3阶段.
  • 在DIR病例中,核化经常显示出高风险的病理特征,强调了这种亚型的攻击性.