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Anterior gland focal cryoablation: proof-of-concept primary prostate cancer treatment in select men with localized anterior cancers detected by multi-parametric magnetic resonance imaging.
BMC Urology ( IF 2 ) Pub Date : 2019-12-05 , DOI: 10.1186/s12894-019-0562-5
Christina Sze 1, 2 , Efrat Tsivian 1 , Kae Jack Tay 1, 3 , Ariel A Schulman 1 , Leah G Davis 1 , Rajan T Gupta 1, 4 , Thomas J Polascik 1
Affiliation  

BACKGROUND Due to their location away from the nerve bundles, anterior prostate cancers (APC) represent a rational target for image-guided cryoablation. This report describes the feasibility and short-term outcomes of anterior focal cryosurgery. METHODS A retrospective review between 2012 and 2016 of patients with clinically localized APC treated with anterior gland cryoablation was performed. Descriptive statistics were used to report: age, PSA, prostate volume, prostate cancer grade group (PGG), median time to follow-up, and changes in functional status measured with the International Prostate Symptom Score (IPSS) and the International Index of Erectile Function (IIEF-5) score. RESULTS A total of 17 patients underwent anterior focal cryoablation with a median follow-up of 15 months. Median age and PSA at diagnosis were 67 years and 8.7 ng/mL. Pre-operative PGG1 was identified in 12 (71%) men and PGG2 in 5 (29%) men. Median (IQR) lesion volume was 2 mL(0.86, 3.1). Preoperative median IIEF-5 and IPSS scores were 19.5 and 5, and decreased to 19 and 4, post-operatively. All patients remained continent with no change in sexual function. All post-procedure targeted biopsies of the treated cancers were negative. CONCLUSION Our pilot study demonstrates the feasibility of treating APCs with image-guided targeted focal cryoablation as a good balance between short-term oncologic control and near complete preservation of genitourinary function. Further follow-up is necessary to examine the potential benefits long-term.

中文翻译:

前腺局限性冷冻消融:通过多参数磁共振成像技术检测的部分局限性前癌男性的概念性原发性前列腺癌治疗。

背景技术由于前列腺癌远离神经束的位置,它们代表了图像引导冷冻消融术的合理目标。该报告介绍了前局灶性冷冻手术的可行性和短期结果。方法回顾性分析2012年至2016年间经前腺冷冻消融治疗的临床定位APC患者。描述性统计数据用于报告:年龄,PSA,前列腺体积,前列腺癌分级组(PGG),中位随访时间以及功能状态的变化,这些变化通过国际前列腺症状评分(IPSS)和国际勃起指数进行测量功能(IIEF-5)得分。结果共有17例患者接受了前局灶性冷冻消融,中位随访时间为15个月。诊断时的中位年龄和PSA为67岁,为8.7 ng / mL。术前发现PGG1在12名男性中(71%),PGG2在5名男性(29%)中。中位(IQR)病变体积为2 mL(0.86,3.1)。术前IIEF-5和IPSS的中位数分别为19.5和5,术后降低至19和4。所有患者均保持大陆性功能不变。所有治疗后癌症的手术后靶向活检均为阴性。结论我们的初步研究表明,以图像为导向的靶向性局部冷冻消融治疗APC的可行性是短期肿瘤控制与泌尿生殖功能几乎完全保留之间的良好平衡。有必要进行进一步的随访以检查长期的潜在利益。术后减少到19和4。所有患者均保持大陆性功能不变。所有治疗后癌症的手术后靶向活检均为阴性。结论我们的初步研究表明,以图像为导向的靶向性局部冷冻消融治疗APC的可行性是短期肿瘤控制与泌尿生殖功能几乎完全保留之间的良好平衡。有必要进行进一步的跟进,以检查长期的潜在利益。术后减少到19和4。所有患者均保持大陆性功能不变。所有治疗后癌症的手术后靶向活检均为阴性。结论我们的初步研究表明,以图像为导向的靶向性局部冷冻消融术治疗APCs的可行性是短期肿瘤控制与泌尿生殖功能几乎完全保留之间的良好平衡。有必要进行进一步的随访以检查长期的潜在利益。结论我们的初步研究表明,以图像为导向的靶向性局部冷冻消融术治疗APCs的可行性是短期肿瘤控制与泌尿生殖功能几乎完全保留之间的良好平衡。有必要进行进一步的随访以检查长期的潜在利益。结论我们的初步研究表明,以图像为导向的靶向性局部冷冻消融术治疗APCs的可行性是短期肿瘤控制与泌尿生殖功能几乎完全保留之间的良好平衡。有必要进行进一步的跟进,以检查长期的潜在利益。
更新日期:2019-12-05
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