在CKDN2A基因型患者中,第一个黑色素瘤和第一个非皮肤瘤之间的时间相关性
Laura Cristina Gironi1, Elia Esposto1, Francesca Zottarelli1
1Dermatology Unit, AOU Maggiore della Carità.
Melanoma research
|June 23, 2023
概括
患有CDKN2A致病变体和黑色素瘤的患者需要对非皮肤瘤 (NCTs) 进行全面监测. 黑色素瘤的诊断往往在突变载体和野生类型个体中都比NCT的发展早几年.
科学领域:
- 在瘤学瘤学.
- 遗传学 遗传学 是一个
- 皮肤病学 皮肤病学
背景情况:
- CDKN2A致病变体与皮肤黑色素瘤和非皮肤瘤 (NCT) 有关.
- 皮肤黑色素瘤和CDKN2A突变携带者与野生型患者的NCT发展之间的时间关系尚不清楚.
- 了解这个时间表对于有效的患者监测至关重要.
研究的目的:
- 调查第一次皮肤黑色素瘤和NCT诊断之间的时间相关性.
- 为了比较CDKN2A突变载体 (MUT) 与野生型黑色素瘤患者的时间表.
- 为黑色素瘤患者的监测策略提供信息.
主要方法:
- 在245名皮肤黑色素瘤患者中对CDKN2A基因进行基因定型.
- 将患者分为CDKN2A突变携带者 (MUT) 和野生型组.
- 分析第一次皮肤黑色素瘤诊断和第一次NCT诊断 (恶性或良性) 之间的时间间隔.
主要成果:
- 与野生型患者相比,MUT患者的皮肤黑色素瘤发病率更高.
- 两组中13.7%的人被诊断出至少有一种恶性NCT,没有显著差异.
- 皮肤黑色素瘤发病前的NCT发病平均为MUT的4.5年和野生型患者的3.02年.
- 黑色素瘤诊断在恶性NCT诊断之前平均为MUT的8年和野生型患者的4.34年.
结论:
- 在皮肤黑色素瘤和随后的NCT发展之间存在显著的时间差距.
- 皮肤黑色素瘤患者,无论CDKN2A状态如何,都需要对NCTs进行终身监测.
- 建议采用全面的监测方法,不仅仅是对皮肤癌的监测.
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