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Microwave Ablation

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https://www.readbyqxmd.com/read/28230020/clinical-study-of-transcatheter-arterial-chemoembolization-combined-with-microwave-ablation-in-the-treatment-of-advanced-hepatocellular-carcinoma
#1
Wei Li, Wenling Man, Huanqing Guo, Po Yang
OBJECTIVE: To evaluate the safety and efficacy of transcatheter arterial chemoembolization (TACE) combined with percutaneous microwave ablation (MWA) in the treatment of advanced hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Three thousand cases of advanced HCC patients were randomly divided into two groups: 1500 cases in the treatment group were treated with TACE combined with MWA and 1500 cases in the control group were treated with TACE. RESULTS: The effective rate of the treatment group and control group was 71...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28230012/safety-and-feasibility-within-24-h-of-discharge-in-patents-with-inoperable-malignant-lung-nodules-after-percutaneous-microwave-ablation
#2
Bin Li, Zhiwei Wang, Kang Zhou, Qinzong Gao, Xiaoguang Li
CONTEXT: Minimally invasive interventional therapy is now the more effective treatment strategy for organ-confined malignancy in patients who are poor candidates for surgery. Microwave ablation (MWA) in lung malignancy has been receiving much attention as an effective minimally invasive approach. AIMS: The aim of this study is to evaluate the safety and feasibility within 24 h of discharge of patients treated with percutaneous MWA for inoperable malignant lung nodules, and elucidate the factors predisposing to hospital readmission...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28229076/locoregional-therapies-of-cholangiocarcinoma
#3
REVIEW
Christof M Sommer, Hans U Kauczor, Philippe L Pereira
BACKGROUND: Cholangiocarcinoma (CC) is the second most primary liver malignancy with increasing incidence in Western countries. Currently, surgical R0 resection is regarded as the only potentially curative treatment. The results of systemic chemotherapy and best supportive care (BSC) in patients with metastatic disease are often disappointing in regard to toxicity, oncologic efficacy, and overall survival. In current practice, the use of different locoregional therapies is increasingly more accepted...
December 2016: Visceral Medicine
https://www.readbyqxmd.com/read/28226509/design-of-a-dual-slot-antenna-for-small-animal-microwave-ablation-studies
#4
Tyler J Moon, Christopher L Brace, Tyler J Moon, Christopher L Brace, Christopher L Brace, Tyler J Moon
This study presents the development of a dual-slot antenna for small animal tumor ablation. By using a dual-slot design at 8 GHz, it was hypothesized that smaller and more spherical ablations can be produced. After computer-aided design optimization, antennas were fabricated and ablations performed at 5-20 W for 15-120 s with the objective of creating ablations with a diameter/length aspect ratio of at least 0.9. The new dual-slot design at 8 GHz created significantly more spherical ablations than a commercial antenna at 2...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226507/theranostic-microwave-applicator-suitable-for-minimal-invasive-therapy-of-malignant-tissue
#5
Carolin Reimann, Margarita Puentes, Martin Schusler, Frank Hubner, Babak Bazrafshan, Thomas J Vogl, Rolf Jakoby, Carolin Reimann, Margarita Puentes, Martin Schusler, Frank Hubner, Babak Bazrafshan, Thomas J Vogl, Rolf Jakoby, Rolf Jakoby, Carolin Reimann, Babak Bazrafshan, Thomas J Vogl, Frank Hubner, Margarita Puentes
A microwave applicator is presented that realizes the theranostic approach by providing two operation modes to detect and treat tumor cells, exemplary in the liver. The tool is based on a planar sensor structure with Split Ring Resonators (SRR) as key elements. For the detection, changes in dielectric properties caused by tissue abnormalities are evaluated by analyzing shifts in the resonance frequency of the SRR. For the treatment mode, the input power is amplified to the specific resonance frequency and microwave ablation is performed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28220346/microwave-ablation-of-liver-malignancies-comparison-of-effects-and-early-outcomes-of-percutaneous-and-intraoperative-approaches-with-different-liver-conditions-new-advances-in-interventional-oncology-state-of-the-art
#6
Francesco De Cobelli, Paolo Marra, Francesca Ratti, Alessandro Ambrosi, Michele Colombo, Anna Damascelli, Claudio Sallemi, Simone Gusmini, Marco Salvioni, Pietro Diana, Federica Cipriani, Massimo Venturini, Luca Aldrighetti, Alessandro Del Maschio
Liver thermal ablation is an alternative treatment for hepatocellular carcinoma (HCC) and secondary liver malignancies. Microwave ablation (MWA) produces large ablation zones (AZ) in short time; however, AZ prediction is based on preclinical ex vivo models, rising concerns about reproducibility and safety in humans. We aimed to investigate the effects produced by a new-generation MWA system on human liver in vivo with different approaches (percutaneous or intraoperative) and liver conditions (cirrhosis or previous chemotherapy treatment), in comparison with manufacturer-provided predictions based on ex vivo animal models...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28215455/lung-ablation-best-practice-results-response-assessment-role-alongside-other-ablative-therapies
#7
REVIEW
T de Baere, L Tselikas, G Gravel, F Deschamps
Today, in addition to surgery, other local therapies are available for patients with small-size non-small-cell lung cancer (NSCLC) and oligometastatic disease from various cancers. Local therapies include stereotactic ablation radiotherapy (SABR) and thermal ablative therapies through percutaneously inserted applicators. Although radiofrequency ablation (RFA) has been explored in series with several hundreds of patients with pulmonary tumours, investigation of the potential of other ablation technologies including microwave ablation, cryoablation, and irreversible electroporation is ongoing...
February 16, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28203621/comparative-study-evaluating-the-efficiency-of-cooled-and-uncooled-single-treatment-mwa-in-thyroid-nodules-after-a-3-month-follow-up
#8
Oscar Maximilian Mader, Nadine Farivar Tanha, Alexander Mader, Christian Happel, Yücel Korkusuz, Frank Grünwald
OBJECTIVE: The aim of this study was to evaluate and compare the efficacy of single-treatment cooled and uncooled microwave ablation in thyroid nodules. METHODS: Eighteen patients (11 women) with an average age of 62 years (range: 41-80) with 18 cold, mainly solid or solid thyroid nodules were treated with cooled or uncooled microwave ablation. Pain during the treatment was measured on a 10-point score. Side effects revealed by ultrasound or patients' complaints were documented...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28196771/liver-metastases-from-breast-cancer-what-role-for-surgery-indications-and-results
#9
REVIEW
Nicolas Golse, René Adam
Liver metastases from breast cancer (LMBC) have long been considered as a systemic disease because of the hematological route of dissemination, requiring noncurative management. In fact, despite recent advances in drug therapies personalized to tumor phenotype, the chances of a cure are nil and there is little hope of long-term survivors after nonsurgical management alone. By contrast, there is a growing evidence in the literature for satisfactory long-term results after a combination of chemotherapy and liver resection, with 5-year survival reaching >40% in some series...
January 9, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28190707/safety-and-efficacy-of-percutaneous-microwave-hepatic-ablation-near-the-heart
#10
George A Carberry, Amanda R Smolock, Mircea Cristescu, Shane A Wells, Timothy J Ziemlewicz, Meghan G Lubner, J Louis Hinshaw, Christopher L Brace, Fred T Lee
PURPOSE: To evaluate safety and efficacy of percutaneous hepatic microwave (MW) ablation performed near the heart. MATERIALS AND METHODS: This study reviewed 118 consecutive peripheral (ablation zone margins within 5 mm of liver capsule) percutaneous MW hepatic ablations performed between June 2010 and August 2015. Ablation zones of 27 tumors (22.8%) extended to ≤ 5 mm from myocardium, and these ablations comprised the study group; the remaining ablations formed the control group...
February 9, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28188425/microwave-ablation-for-the-treatment-of-hepatocellular-carcinoma-that-met-up-to-seven-criteria-feasibility-local-efficacy-and-long-term-outcomes
#11
Yun Xu, Qiang Shen, Pei Liu, Zhongqi Xu, Panpan Wu, Zhenghua Lu, Yi Chen, Bin Huang, Guojun Qian
OBJECTIVES: This study aimed to evaluate the feasibility, local efficacy and long-term outcomes of microwave (MW) ablation for the treatment of hepatocellular carcinoma (HCC) that met up-to-seven criteria. METHODS: Between January 2007 and January 2012, 142 HCC patients with 294 nodules, which conformed to up-to-seven criteria, were enrolled into this retrospective study. All patients were followed up for more than 3 years after receiving MW ablation. Technical success, complications, local tumour progression (LTP) and distant recurrence (DR) were monitored...
February 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28185998/study-on-the-effect-of-chemoembolization-combined-with-microwave-ablation-for-the-treatment-of-hepatocellular-carcinoma-in-rats
#12
Thomas Josef Vogl, Jun Qian, Andreas Tran, Elsie Oppermann, Nagy N Naguib, Huedayi Korkusuz, Nour Eldin A Nour Eldin, Wolf Otto Bechstein
PURPOSE: We aimed to evaluate the combining effects of transarterial chemoembolization (TACE) and open local thermal microwave ablation (MWA) in a hepatocellular carcinoma animal model. METHODS: Tumor cubes were implanted into the liver of 30 male inbred ACI rats. Groups of 10 animals were treated at 13 days (TACE or MWA) and 16 days (MWA) postimplantation with combined therapy (study group A) of TACE (0.1 mg mitomycin C; 0.1 mg iodized oil; 5.0 mg degradable starch microspheres) and MWA (2450 Mhz; 45 s; 35 W), TACE (control group B) or MWA (control group C) alone...
February 10, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28185304/dual-echo-z-shimmed-proton-resonance-frequency-shift-magnetic-resonance-thermometry-near-metallic-ablation-probes-technique-and-temperature-precision
#13
Yuxin Zhang, Megan E Poorman, William A Grissom
PURPOSE: To improve the precision of proton resonance frequency-shift magnetic resonance thermometry near ablation probes by recovering near-probe image signals that are typically lost due to magnetic susceptibility-induced field distortions. METHODS: A dual-echo gradient-recalled echo sequence was implemented, in which the first echo was under- or over-refocused in the slice dimension to recover image signal and temperature precision near a probe, and the second echo was fully refocused to obtain image signal everywhere else in the slice...
February 10, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28183835/benign-spine-lesions-advances-in-techniques-for-minimally-invasive-percutaneous-treatment
#14
REVIEW
A Tomasian, A N Wallace, J W Jennings
Minimally invasive percutaneous imaging-guided techniques have been shown to be safe and effective for the treatment of benign tumors of the spine. Techniques available include a variety of tumor ablation technologies, including radiofrequency ablation, cryoablation, microwave ablation, alcohol ablation, and laser photocoagulation. Vertebral augmentation may be performed after ablation as part of the same procedure for fracture stabilization or prevention. Typically, the treatment goal in benign spine lesions is definitive cure...
February 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28180923/early-assessment-of-coagulation-necrosis-after-hepatic-microwave-ablation-a-comparison-of-non-enhanced-and-enhanced-t1-weighted-images
#15
Zhen-Yu Jia, Qi-Feng Chen, Zheng-Qiang Yang, Wen-Tao Wu, Hai-Bin Shi, Sheng Liu
PURPOSE: To compare the technical success and accuracy of hepatic microwave ablation (MWA) using non-enhanced and enhanced T1-weighted imaging early after ablation. Patients were evaluated with regard to the ablation zone and local tumor progression (LTP). METHODS: This retrospective study conducted between September 2014 and December 2015 which consisted of 56 patients with 56 hepatic malignant lesions who underwent percutaneous MWA. Non-enhanced and contrast-enhanced T1-weighted imagings were performed within 2 days after tumor ablation...
February 8, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28179284/the-evolving-role-of-local-treatments-for-hcc-in-the-third-millennium
#16
REVIEW
Paolo Magistri, Giuseppe Tarantino, Roberto Ballarin, Massimiliano Berretta, Annarita Pecchi, Giovanni Ramacciato, Fabrizio DI Benedetto
BACKGROUND: Hepatocellular carcinoma (HCC) represents the fifth most common malignancy and the third cancer-related cause of death worldwide. The aim of this review was to clarify the role of local treatments for HCC, analyzing the indications and defining future perspectives. MATERIALS AND METHODS: A systematic literature search was performed independently by two of the authors according to the PRISMA statement guidelines. The search was limited to studies reported in English between January 2005 and June 2016...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28166655/comment-on-effectiveness-of-ultrasound-guided-percutaneous-microwave-ablation-for-symptomatic-uterine-fibroids-a-multicenter-study-in-china
#17
Salman Khazaei, Erfan Ayubi, Shahrzad Nematollahi, Kamyar Mansori
No abstract text is available yet for this article.
February 6, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28163939/isolated-liver-metastasis-in-h%C3%A3-rthle-cell-thyroid-cancer-treated-with-microwave-ablation
#18
Konstantinos Segkos, Carl Schmidt, Fadi Nabhan
Hürthle cell thyroid cancer (HCTC) is a less common form of differentiated thyroid cancer. It rarely metastasizes to the liver, and when it does, the metastasis is almost never isolated. Here we report a 62-year-old male with widely invasive Hürthle cell thyroid cancer, who underwent total thyroidectomy and received adjuvant treatment with I-131 with posttreatment scan showing no evidence of metastatic disease. His thyroglobulin however continued to rise after that and eventually an isolated liver metastasis was identified...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28161824/a-three-dimensional-visualization-preoperative-treatment-planning-system-for-microwave-ablation-in-liver-cancer-a-simulated-experimental-study
#19
Fangyi Liu, Zhigang Cheng, Zhiyu Han, Xiaoling Yu, Mingan Yu, Ping Liang
PURPOSE: To evaluate the application value of three-dimensional (3D) visualization preoperative treatment planning system (VPTPS) for microwave ablation (MWA) in liver cancer. MATERIALS AND METHODS: The study was a simulated experimental study using the CT imaging data of patients in DICOM format in a model. Three students (who learn to interventional ultrasound for less than 1 year) and three experts (who have more than 5 years of experience in ablation techniques) in MWA performed the preoperative planning for 39 lesions (mean diameter 3...
February 4, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28159479/epithelioid-hemangioma-of-the-scapula-treated-with-chemoembolization-and-microwave-ablation-%C3%AE-case-report
#20
Konstantinos Tsikopoulos, Evangelos Perdikakis, Dimitrios Georgiannos, Ilias Bisbinas
Bone epithelioid hemangiomas are classified within benign vascular tumours but are commonly misdiagnosed as low-grade angiosarcomas or epithelioid hemangioendotheliomas. Current therapeutic interventions include various treatment options but local recurrence or distal lymph node involvement has been reported. We report a rare case of scapular epithelioid hemangioma that was initially treated using a combination of chemoembolization and microwave ablation. This combination has not been previously reported in the literature regarding the management of this tumour...
January 31, 2017: Acta Orthopaedica et Traumatologica Turcica
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