Percutaneous microwave ablation of renal cancers under CT guidance: safety and efficacy with a 2-year follow-up

被引:31
作者
Chan, P. [1 ]
Velasco, S. [1 ]
Vesselle, G. [1 ]
Boucebci, S. [1 ]
Herpe, G. [1 ]
Debaene, B. [2 ]
Ingrand, P. [3 ,4 ]
Irani, J. [3 ,4 ,5 ]
Tasu, J. -P. [1 ]
机构
[1] CHU Poitiers, Imaging Dept, 2 Rue Mil, F-86000 Poitiers, France
[2] CHU Poitiers, Anesthesiol Dept, 2 Rue Mil, F-86000 Poitiers, France
[3] CHU Poitiers, INSERM, U619, Rue Mil, F-86000 Poitiers, France
[4] Univ Poitiers, CHU Poitiers, Rue Mil, F-86000 Poitiers, France
[5] CHU Poitiers, Urol Dept, 2 Rue Mil, F-86000 Poitiers, France
关键词
CELL CARCINOMA; RADIOFREQUENCY ABLATION; PARTIAL NEPHRECTOMY; TUMORS; MASSES; THERMOABLATION; CRYOABLATION; EXPERIENCE; PROBE; LIVER;
D O I
10.1016/j.crad.2017.03.029
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
AIM: To evaluate the safety and efficiency of percutaneous microwave ablation (MWA) of renal cell carcinomas (RCC) carried out under computed tomography (CT) guidance. MATERIALS AND METHODS: A retrospective study was performed on RCC that was either histologically proven or diagnosed at imaging (Bosniak IV cyst) and treated by MWA under general anaesthesia with CT guidance. Indications for percutaneous ablation were based on the American Urological Association recommendations. Twenty-four months post-procedure follow-up was performed. RESULTS: Sixty-twopatients presenting one or more RCC (84 tumours ranging from 10-48 mm in diameter; mean diameter: 25.6 mm) were included. Technical success was achieved for 78 tumours (58 patients). For four patients, the treatment was stopped due to gas dissection failure. At 3 months, six residual tumours were observed (8%). At 6 months, two recurrences and one residual tumour (3.8%) were observed; all were retreated with complete success. At 12 months, local control of the disease was achieved in 94% of cases (100% in cases where treatment was performed). Two cases of distal metastasis were observed after 12 and 24 months. At 24 months, one patient presented with a contralateral tumour. The complication ratewas 4.8% including one grade III complication and two grade II complications according to the Claviene-Dindo classification. At 2 years, the cumulative disease-free survival rate and overall survivalwere 95% and 97%, respectively. CONCLUSION: MWA ablation under CT guidance to treat RCC is safe and provides a high rate of effectiveness at 24 months. (C) 2017 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:786 / 792
页数:7
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