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In‐field prostate cancer recurrence following radical prostatectomy and salvage radiation
BJU International ( IF 3.7 ) Pub Date : 2024-11-30 , DOI: 10.1111/bju.16598
Austin Martin, Ahmed M. Mahmoud, Cameron J. Britton, Anthony Fadel, Mohamed E. Ahmed, Vidit Sharma, Daniel S. Childs, Geoffrey B. Johnson, Brian J. Davis, Lance Mynderse, Derek Lomas, David Woodrum, Daniel Frendl, Jeffrey R. Karnes, Matthew K. Tollefson, Eugene D. Kwon, Jack R. Andrews

ObjectiveTo define the natural history, patterns of recurrence and treatment modalities for local prostate cancer (PCa) recurrence following radical prostatectomy (RP) and radiation therapy (RT), and to investigate factors that could predict metastasis‐free survival (MFS) in this unique patient population.MethodsWe queried a prospectively maintained PCa registry to identify men developing in‐field recurrence (IFR) following RP and RT from 2008 to 2021 at a single institution. IFR was defined as biopsy‐proven recurrent PCa or the presence of persistent positron emission tomography‐avid lesions in the prior radiation field without evidence of metastasis. Cox regression was conducted to determine predictors of MFS. Kaplan–Meier methods were used to calculate MFS, cancer‐specific survival (CSS) and overall survival (OS) for patients in three primary therapy categories: cryoablation, androgen deprivation therapy (ADT) alone, and surveillance.ResultsOf 4575 patients from our registry, 108 (2.3%) with IFR were identified. The median (interquartile range [IQR]) time to IFR from salvage treatment was 78 (50–126) months. A total of 29 patients (26%) were managed with cryoablation, 23 (21%) with ADT, and 28 (25%) with surveillance. The median (IQR) follow‐up was 76 (48–100) months. There were no statistically significant differences in MFS (P = 0.67) or OS (P = 0.07) among the three primary treatment cohorts. Patients treated with ADT or cryoablation had longer CSS compared to patients managed with surveillance (P = 0.047).ConclusionsWe found that IFR may present years after completion of primary treatment for PCa. While curative management strategies may be attempted, local and distant metastatic recurrence is common and often requires systemic therapy.

中文翻译:


根治性前列腺切除术和挽救性放疗后场内前列腺癌复发



目的定义根治性前列腺切除术 (RP) 和放疗 (RT) 后局部前列腺癌 (PCa) 复发的自然病程、复发模式和治疗方式,并探讨可以预测这一独特患者群体无转移生存期 (MFS) 的因素。方法我们查询了前瞻性维护的 PCa 登记处,以确定 2008 年至 2021 年在单个机构发生 RP 和 RT 后发生现场复发 (IFR) 的男性。IFR 被定义为活检证实的复发性 PCa 或在先前的放射野中存在持续的正电子发射断层扫描亲和病灶,而没有转移的证据。进行 Cox 回归以确定 MFS 的预测因子。Kaplan-Meier 方法用于计算三个主要治疗类别的患者的 MFS、癌症特异性生存期 (CSS) 和总生存期 (OS):冷冻消融、单独雄激素剥夺疗法 (ADT) 和监测。结果在我们登记处的 4575 例患者中,确定了 108 例 (2.3%) 患有 IFR。挽救治疗达到 IFR 的中位 (四分位距 [IQR])时间为 78 (50-126) 个月。共有 29 例患者 (26%) 接受冷冻消融治疗,23 例 (21%) 接受 ADT,28 例 (25%) 接受监测。中位 (IQR) 随访时间为 76 (48-100) 个月。三个主要治疗队列的 MFS (P = 0.67) 或 OS (P = 0.07) 差异无统计学意义。与接受监测治疗的患者相比,接受 ADT 或冷冻消融治疗的患者具有更长的 CSS (P = 0.047)。结论我们发现 IFR 可能在完成 PCa 初级治疗后数年出现。虽然可以尝试治愈性治疗策略,但局部和远处转移复发很常见,通常需要全身治疗。
更新日期:2024-11-30
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