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在C11-胆PET上的低PSA放射性疾病进展
Ahmed M Mahmoud1, Mohamed E Ahmed1, A Tuba Kendi2
1Department of Urology Mayo Clinic Rochester Minnesota USA.
前列腺癌可以在不增加PSA的情况下进行放射性进展. C-11胆PET成像有助于早期检测这种进展,即使在低PSA水平,指导临床结果.
科学领域:
- 在瘤学瘤学.
- 核医学是一种核医学.
- 放射学 放射学是一门学科.
背景情况:
- 前列腺癌的放射性进展可以独立于前列腺特异性抗原 (PSA) 水平.
- 评估超低PSA患者的进展对于及时干预至关重要.
研究的目的:
- 用C-11胆PET确定前列腺癌患者超低PSA的放射性进展的流行率.
- 评估与低PSA水平的放射性进展相关的临床结果.
主要方法:
- 对C-11胆PET转移性前列腺癌注册表的回顾性审查.
- 识别具有放射性疾病进展 (rDP) 和PSA<0.5 ng/mL的患者.
- 使用卡普兰-梅尔和考克斯回归模型分析生存结果.
主要成果:
- 16.6%的患者 (220/1323) 在低PSA水平下经历了rDP.
- 其中78%的患者患上了抗割的前列腺癌 (CRPC).
- 进展的部位包括淋巴结 (41%),骨 (43%) 和内脏转移 (9%).
- 46%的低PSA rDP患者在随访期间死亡;CRPC,骨和内脏转移与较差的生存率有关.
结论:
- 转移性前列腺癌的进展经常发生在很低或无法检测到的PSA水平.
- 定期C-11胆PET成像有助于早期识别疾病进展,即使PSA低.
- 及时识别进展可以为临床管理提供信息并改善结果.
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