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Microwave Ablation

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https://www.readbyqxmd.com/read/28076721/effect-of-tumor-complexity-and-technique-on-efficacy-and-complications-after-percutaneous-microwave-ablation-of-stage-t1a-renal-cell-carcinoma-a-single-center-retrospective-study
#1
Marki E Klapperich, E Jason Abel, Timothy J Ziemlewicz, Sara Best, Meghan G Lubner, Stephen Y Nakada, J Louis Hinshaw, Christopher L Brace, Fred T Lee, Shane A Wells
Purpose To evaluate the effects of tumor complexity and technique on early and midterm oncologic efficacy and rate of complications for 100 consecutive biopsy-proved stage T1a renal cell carcinomas (RCCs) treated with percutaneous microwave ablation. Materials and Methods This HIPAA-compliant, single-center retrospective study was approved by the institutional review board. The requirement to obtain informed consent was waived. Ninety-six consecutive patients (68 men, 28 women; mean age, 66 years ± 9.4) with 100 stage T1a N0M0 biopsy-proved RCCs (median diameter, 2...
January 11, 2017: Radiology
https://www.readbyqxmd.com/read/28066666/ct-guided-percutaneous-microwave-ablation-of-pulmonary-malignant-tumors
#2
Wei-Chun Ko, Yee-Fan Lee, Yi-Chang Chen, Ning Chien, Yu-Sen Huang, Yao-Hui Tseng, Jang-Ming Lee, Hsao-Hsun Hsu, Jin-Shing Chen, Yeun-Chung Chang
BACKGROUND: Microwave ablation (MWA) of lung tumors is a new approach for local tumor control. The purpose of this retrospective study was to evaluate the preliminary results of safety and efficacy of MWA with a dynamic frequency range (902-928 MHz) and power (10-32 W) for local tumor control of thoracic malignancies. METHODS: From December 1, 2013 to February 1, 2016, there were total 32 lung tumors among 15 patients (7 men, 8 women, age range 43-82 years, mean 57...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28054165/percutaneous-thermal-ablation-with-ultrasound-guidance-fusion-imaging-guidance-to-improve-conspicuity-of-liver-metastasis
#3
Antoine Hakime, Steven Yevich, Lambros Tselikas, Frederic Deschamps, David Petrover, Thierry De Baere
PURPOSE: To assess whether fusion imaging-guided percutaneous microwave ablation (MWA) can improve visibility and targeting of liver metastasis that were deemed inconspicuous on ultrasound (US). MATERIALS AND METHODS: MWA of liver metastasis not judged conspicuous enough on US was performed under CT/US fusion imaging guidance. The conspicuity before and after the fusion imaging was graded on a five-point scale, and significance was assessed by Wilcoxon test. Technical success, procedure time, and procedure-related complications were evaluated...
January 4, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28050693/technical-success-technique-efficacy-and-complications-of-minimally-invasive-imaging-guided-percutaneous-ablation-procedures-of-breast-cancer-a-systematic-review-and-meta-analysis
#4
Giovanni Mauri, Luca Maria Sconfienza, Lorenzo Carlo Pescatori, Maria Paola Fedeli, Marco Alì, Giovanni Di Leo, Francesco Sardanelli
OBJECTIVES: To systematically review studies concerning imaging-guided minimally-invasive breast cancer treatments. METHODS: An online database search was performed for English-language articles evaluating percutaneous breast cancer ablation. Pooled data and 95% confidence intervals (CIs) were calculated. Technical success, technique efficacy, minor and major complications were analysed, including ablation technique subgroup analysis and effect of tumour size on outcome...
January 3, 2017: European Radiology
https://www.readbyqxmd.com/read/28042235/novel-implications-in-the-treatment-of-hepatocellular-carcinoma
#5
REVIEW
Jan Best, Clemens Schotten, Jens M Theysohn, Axel Wetter, Stefan Müller, Sonia Radünz, Maren Schulze, Ali Canbay, Alexander Dechêne, Guido Gerken
Worldwide hepatocellular carcinoma remains one of the leading causes of cancer-related death, associated with a poor prognosis due to late diagnosis in the majority of cases. Physicians at care are frequently confronted with patients who are ineligible for curative treatment such as liver resection, transplantation or radiofrequency ablation. Besides established palliative locoregional therapies, such as ablation or chemoembolization, new treatment options, such as microwave ablation, drug-eluting bead transarterial chemoembolization or selective internal radiation therapy, are emerging; however, data from randomized controlled trials are still lacking...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28028574/prospective-pilot-study-of-ct-guided-microwave-ablation-in-the-treatment-of-osteoid-osteomas
#6
Clara Prud'homme, Jean-Philippe Nueffer, Michel Runge, Jonathan Dubut, Bruno Kastler, Sébastien Aubry
PURPOSE: The aims of this work were to assess the feasibility and efficacy of CT-guided microwave ablation (MWA) in the treatment of osteoid osteomas (OOs). MATERIALS AND METHODS: Thirteen consecutive patients (range 11-31 years old) presenting with OO were prospectively included and treated by CT-guided MWA. Power and duration of MWA were both recorded. The patient's pain was assessed using a numeric pain rating scale (NRS), and side effects were recorded during procedures, after 1 day, 7 days and 1 month...
December 27, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/28027741/transarterial-embolization-tae-as-add-on-to-percutaneous-radiofrequency-ablation-rfa-for-the-treatment-of-renal-tumors-review-of-the-literature-overview-of-state-of-the-art-embolization-materials-and-further-perspective-of-advanced-image-guided-tumor-ablation
#7
REVIEW
C M Sommer, L Pallwein-Prettner, D F Vollherbst, R Seidel, C Rieder, B A Radeleff, H U Kauczor, F Wacker, G M Richter, A Bücker, T Rodt, A Massmann, P L Pereira
Percutaneous radiofrequency ablation (RFA) for the treatment of stage I renal cell carcinoma has recently gained significant attention as the now available long-term and controlled data demonstrate that RFA can result in disease-free and cancer-specific survival comparable with partial and/or radical nephrectomy. In the non-controlled single center trials, however, the rates of treatment failure vary. Operator experience and ablation technique may explain some of the different outcomes. In the controlled trials, a major limitation is the lack of adequate randomization...
January 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28011104/microwave-ablation-of-renal-tumors-a-narrative-review-of-technical-considerations-and-clinical-results
#8
F H Cornelis, C Marcelin, J-C Bernhard
PURPOSE: The purpose of this review was to identify the specific technical considerations to adequately perform microwave ablations (MWA) of renal tumors and analyze the currently available clinical results. METHODS: Using Medline, a systematic review was performed including articles published between January 2000 and September 2016. English language original articles, reviews and editorials were selected based on their clinical relevance. RESULTS: MWA has several theoretical advantages over radiofrequency ablation in consistently providing higher intratumoral temperatures...
December 20, 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28007329/feasibility-of-real-time-intraprocedural-temperature-control-during-bone-metastasis-thermal-microwave-ablation-a-bicentric-retrospective-study
#9
Adrian Kastler, Alexandre Krainik, Linda Sakhri, Mireille Mousseau, Bruno Kastler
PURPOSE: To evaluate feasibility of using a thermocouple for temperature monitoring during microwave (MW) ablation of metastatic bone disease. MATERIALS AND METHODS: This retrospective study comprised 16 patients (8 men with mean age 63 y and 8 women with mean age 59 y) with 18 bone metastases treated with MW ablation using a thermocouple between March 2012 and October 2015. The mean maximum tumor size was 29.5 mm. MW ablation power was set between 15 W and 40 W and applied for 1-6 minutes...
December 19, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28001112/microwave-ablation-for-treatment-of-hepatic-neoplasia-in-five-dogs
#10
Toni Yang, J Brad Case, Sarah Boston, Michael J Dark, Beau Toskich
CASE DESCRIPTION 5 dogs between 9 and 11 years of age were evaluated for treatment of primary (n = 2) or metastatic (3) hepatic neoplasia. CLINICAL FINDINGS Patients were evaluated on an elective (n = 3) or emergency (2) basis. Two dogs with primary hepatic neoplasia were evaluated because of lethargy and inappetence. One dog was referred after an enlarged anal sac was detected via palpation per rectum during a routine physical examination. Two dogs were evaluated on an emergency basis because of lethargy and weakness, and hemoabdomen in the absence of a history of trauma was detected...
January 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/27995093/new-perspectives-in-the-treatment-of-colorectal-metastases
#11
REVIEW
Dominique Elias, Luca Viganò, Franco Orsi, Marta Scorsetti, Tiziana Comito, Jan Lerut, Davide Cosola, Guido Torzilli
BACKGROUND: In recent years, the management of metastatic colorectal cancer has become more aggressive and more multidisciplinary. New treatment options have been proposed in addition to the standard approach of resection of liver metastases and chemotherapy. SUMMARY: Selected patients with synchronous limited peritoneal and liver disease (peritoneal cancer index <12 and <3 liver metastases) can be scheduled for aggressive treatment, including cytoreductive surgery, hyperthermic intraperitoneal chemotherapy, and liver resection...
November 2016: Liver Cancer
https://www.readbyqxmd.com/read/27995086/hepatocellular-carcinoma-the-role-of-interventional-oncology
#12
REVIEW
Matteo Donadon, Luigi Solbiati, Laura Dawson, Aisling Barry, Gonzalo Sapisochin, Paul D Greig, Shuichiro Shiina, Andrea Fontana, Guido Torzilli
BACKGROUND: Hepatocellular carcinoma (HCC) remains a major health issue because of its increasing incidence and because of the complexity of its management. In addition to the traditional potentially curative treatments, i.e., liver transplantation and surgical resection, other new and emerging local therapies have been applied with promising results. SUMMARY: Radiotherapy (RT) and interstitial treatments, such as radiofrequency ablation (RFA), microwave ablation (MWA), and irreversible electroporation (IRE), have recently opened new and interesting treatment scenarios for HCC and are associated with promising results in selected patients...
November 2016: Liver Cancer
https://www.readbyqxmd.com/read/27993505/microwave-ablation-for-lung-neoplasms-a-retrospective-analysis-of-long-term-results
#13
Terrance T Healey, Bradford T March, Grayson Baird, Damian E Dupuy
PURPOSE: To determine the long-term safety and efficacy of microwave (MW) ablation in the treatment of lung tumors at a single academic medical center. MATERIALS AND METHODS: Retrospective review was performed of 108 patients (42 female; mean age, 72.5 y ± 10.3 [standard deviation]) who underwent computed tomography (CT)-guided percutaneous MW ablation for a single lung malignancy. Eighty-two were primary non-small-cell lung cancers and 24 were metastatic tumors (9 colorectal carcinoma, 2 renal-cell carcinoma, 4 sarcoma, 2 lung, and 7 other)...
December 16, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27989228/-thermoablation-therapy-in-the-treatment-of-benign-lesions
#14
Pál Ákos Deák, Dávid Ádám Korda, Attila Doros
INTRODUCTION: Depending on their size and location, some benign tumors can cause prolonged discomfort and even rupture and fatal bleeding in severe cases. Hitherto the therapeutic strategies for such lesions were observation, surgery and in selected cases transarterial embolization. AIM: Our aim was to present the possibilities of thermoablation for treating lesions. METHOD: Here we present interventions of four patients in Semmelweis University Department of Transplantation and Surgery...
December 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/27988263/ct-guided-microwave-ablation-of-45-renal-tumors-analysis-of-procedure-complexity-utilizing-a-percutaneous-renal-ablation-complexity-scoring-system
#15
Alberto V Mansilla, Eugene E Bivins, Francisco Contreras, Manuel A Hernandez, Nathan Kohler, Julie W Pepe
PURPOSE: To develop a scoring system that stratifies complexity of percutaneous ablation of renal tumors. MATERIALS AND METHODS: Analysis was performed of 36 consecutive patients (mean age, 64 y; range, 30-89 y) who underwent CT-guided microwave (MW) ablation of 45 renal tumors (mean tumor diameter, 2.4 cm; range, 1.2-4.0 cm). Technical success and effectiveness were determined based on intraprocedural and follow-up imaging studies. The RENAL score and the proposed percutaneous renal ablation complexity (P-RAC) score were calculated for each tumor...
December 14, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27981275/the-impact-of-microbubble-enhanced-therapeutic-ultrasound-combined-with-prothrombin-on-microwave-ablation-in-the-rabbit-liver
#16
Ying Shi, Xinyue Liu, Zhenli Luo, Fen Gu, Jianguo He, Ping Yan, Junwang Zhang, Xiaodong Zhou
AIM: This study aimed to investigate the effect of microbubble-enhanced ultrasound (MEUS) combined with prothrombin on regional hepatic circulation and microwave ablation (MWA) in rabbit livers. MATERIALS AND METHODS: High-pressureamplitude therapeutic ultrasound (TUS) was used to treat 52 surgically exposed livers of healthy New Zealand rabbits: 13 livers were treated with MEUS alone, 13 with MEUS and prothrombin (PMEUS), 13 with ultrasound plus normal saline and 13 with ultrasound plus prothrombin as controls...
December 5, 2016: Medical Ultrasonography
https://www.readbyqxmd.com/read/27956791/percutaneous-ablation-of-pancreatic-cancer
#17
EDITORIAL
Mirko D'Onofrio, Valentina Ciaravino, Riccardo De Robertis, Emilio Barbi, Roberto Salvia, Roberto Girelli, Salvatore Paiella, Camilla Gasparini, Nicolò Cardobi, Claudio Bassi
Pancreatic ductal adenocarcinoma is a highly aggressive tumor with an overall 5-year survival rate of less than 5%. Prognosis and treatment depend on whether the tumor is resectable or not, which mostly depends on how quickly the diagnosis is made. Chemotherapy and radiotherapy can be both used in cases of non-resectable pancreatic cancer. In cases of pancreatic neoplasm that is locally advanced, non-resectable, but non-metastatic, it is possible to apply percutaneous treatments that are able to induce tumor cytoreduction...
November 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27935548/microwave-ablations-of-large-hcc-lesions-added-value-of-ceus-examinations-for%C3%A2-ablation-success-control
#18
B Pregler, L P Beyer, I Wiesinger, C Nießen, E M Jung, C Stroszczynski, P Wiggermann
PURPOSE: To assess the value of dynamic contrast enhanced ultrasound (CEUS) for the detection of residual tumor tissue day 1 after microwave ablation (MWA) of large hepatocellular carcinoma (HCC) compared to MRI. MATERIAL AND METHODS: 30 consecutive patients (5 females, 25 males, mean age 64 years, age range 54-73 years) with an untreated HCC lesion larger than or equal to 3 cm underwent percutaneous MWA between 03/2014 and 04/2016. 1 patient was excluded because of an artificial pacemaker...
December 8, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27930089/radiation-segmentectomy-versus-tace-combined-with-microwave-ablation-for-unresectable-solitary-hepatocellular-carcinoma-up-to-3-cm-a-propensity-score-matching-study
#19
Derek M Biederman, Joseph J Titano, Vivian L Bishay, Raisa J Durrani, Etan Dayan, Nora Tabori, Rahul S Patel, Francis S Nowakowski, Aaron M Fischman, Edward Kim
Purpose To compare the outcomes of radiation segmentectomy (RS) and transarterial chemoembolization (TACE) combined with microwave ablation (MWA) in the treatment of unresectable solitary hepatocellular carcinoma (HCC) up to 3 cm. Materials and Methods This retrospective study was approved by the institutional review board, and the requirement to obtain informed consent was waived. From January 2010 to June 2015, a total of 417 and 235 consecutive patients with HCC underwent RS and TACE MWA, respectively. A cohort of 121 patients who had not previously undergone local-regional therapy (RS, 41; TACE MWA, 80; mean age, 65...
December 7, 2016: Radiology
https://www.readbyqxmd.com/read/27919009/successful-percutaneous-ct-guided-microwave-ablation-of-adrenal-gland-for-ectopic-cushing-syndrome
#20
Rebecca Zener, Andrew Zaleski, Stan H Van Uum, Daryl K Gray, Amol Mujoomdar
Adrenocorticotropic hormone production by pancreatic neuroendocrine tumor (PNET) is rare and results in hyperstimulation of the adrenal gland to produce ectopic Cushing syndrome. Our case showcases the safety and effectiveness of percutaneous CT-guided microwave ablation of the adrenal gland in a 49-year-old female with PNET and hepatic metastases who presented with ectopic Cushing syndrome despite surgical resection of the primary pancreatic tumor and left adrenal gland. Prior to ablation, the right adrenal gland measured 4...
November 29, 2016: Clinical Imaging
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