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Microwave Ablation

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https://www.readbyqxmd.com/read/27935548/microwave-ablations-of-large-hcc-lesions-added-value-of-ceus-examinations-for%C3%A2-ablation-success-control
#1
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
#2
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
#3
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
https://www.readbyqxmd.com/read/27916745/transcatheter-non-contact-microwave-ablation-may-enable-circumferential-renal-artery-denervation-while-sparing-the-vessel-intima-and-media
#4
Pierre C Qian, Michael A Barry, Sara Al-Raisi, Pramesh Kovoor, Jim Pouliopoulos, Chrishan Nalliah, Abhishek Bhaskaran, William Chik, Rahul Kurup, Virginia James, Winny Varikatt, Alistair McEwan, Aravinda Thiagalingam, Stuart P Thomas
AIMS: Trials of transcatheter renal artery denervation (RDN) have failed to show consistent antihypertensive efficacy. Procedural factors and limitations of radiofrequency ablation can lead to incomplete denervation. We hypothesized that non-contact microwave catheter ablation could produce deep circumferential perivascular heating while avoiding the renal artery intima and media injury. METHOD AND RESULTS: A novel microwave catheter was designed and tested in a renal artery model consisting layers of phantom materials embedded with a thermochromic liquid crystal sheet, colour range 50-78°C...
December 6, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27905049/radiofrequency-ablation-vs-microwave-ablation-for-patients-with-benign-thyroid-nodules-a-propensity-score-matching-study
#5
Wen-Wen Yue, Shu-Rong Wang, Feng Lu, Li-Ping Sun, Le-Hang Guo, Yong-Lin Zhang, Xiao-Long Li, Hui-Xiong Xu
PURPOSE: To compare the efficacy and the safety of radiofrequency ablation and microwave ablation for treatment of benign thyroid nodules using a propensity score matching study design. METHODS: Two hundred and sixty patients with benign thyroid nodules were studied retrospectively, including 102 patients treated with radiofrequency ablation and 158 treated with microwave ablation. To reduce confounding bias due to retrospective assignment, propensity score matching was performed to balance the preablation data of the two groups...
November 30, 2016: Endocrine
https://www.readbyqxmd.com/read/27904861/a-recent-advance-in-image-guided-locoregional-therapy-for-hepatocellular-carcinoma
#6
REVIEW
Yaoping Shi, Bo Zhai
BACKGROUND: Hepatocellular carcinoma (HCC) is the fifth most common cancer worldwide and the third most common cause of cancer-related deaths. Hepatic resection and liver transplantation are considered to be the preferred treatment for HCC. However, as novel therapeutic options such as image-guided locoregional therapies have emerged and been refined, the manner in which HCC is treated has changed dramatically compared with what it was considered just 2 decades earlier. SUMMARY: This study reviews the current results of various image-guided locoregional therapies for treating HCC, especially focusing on thermal ablative and transarterial techniques...
October 2016: Gastrointestinal Tumors
https://www.readbyqxmd.com/read/27903081/percutaneous-microwave-ablation-of-renal-cell-carcinoma-is-safe-in-patients-with-renal-dysfunction
#7
Yan Lin, Ping Liang, Xiao-Ling Yu, Jie Yu, Zhi-Gang Cheng, Zhi-Yu Han, Fangyi Liu
OBJECTIVES: To present the clinical effect of microwave ablation(MWA) on renal cell carcinoma(RCC) of the patients with renal dysfunction, mainly focusing on the extent of renal tumor control and damage to the residual kidney function. METHODS AND MATERIALS: From 2006 to 2014, 19 tumors of 18 patients with renal dysfunction underwent percutaneous ultrasound-guided MWA in our institution. The tumor diameters range from 1.9 to 5.0cm. The serum creatinine and urea levels of each patient pre-MWA, 1 day after MWA and the most recent occasion on record at our institution were collected...
November 30, 2016: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/27900591/treatment-of-lung-tumours-with-high-energy-microwave-ablation-a-single-centre-experience
#8
Anna Maria Ierardi, Andrea Coppola, Natalie Lucchina, Gianpaolo Carrafiello
The purpose of our study is to report safety, technical success, effectiveness, local progression-free survival (LPFS) and overall survival of percutaneous microwave ablation (MWA) to treat lung tumours unsuitable for surgery. Nineteen patients with thirty-one tumours (mean diameter 2.4 cm) underwent percutaneous MWA in 28 sessions. Microwave ablation was carried out using a 2450-MHz generator (Emprint/Covidien, Boulder, CO, USA). Procedures were performed under cone-beam CT (CBCT) and under fluoro-CT (one session) guidance...
January 2017: Medical Oncology
https://www.readbyqxmd.com/read/27899330/mr-visible-localization-device-for-radiographic-pathologic-correlation-of-surgical-specimens
#9
Sonja Kinner, Tilman B Schubert, Elisabetta A Nocerino, Shannon Hynes, Timothy J Colgan, Agnes G Loeffler, Christopher Brace, Scott B Reeder, Emily Winslow
PURPOSE: The detection of small parenchymal hepatic lesions identified by preoperative imaging remains a challenge for traditional pathologic methods in large specimens. We developed a magnetic resonance imaging (MRI) compatible localization device for imaging of surgical specimens aimed to improve identification and localization of hepatic lesions ex vivo. MATERIALS AND METHODS: The device consists of two stationary and one removable MR-visible grids lined with silicone gel, creating an orthogonal 3D matrix for lesion localization...
November 27, 2016: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/27894833/feasibility-of-using-ultrasonic-nakagami-imaging-for-monitoring-microwave-induced-thermal-lesion-in-ex%C3%A2-vivo-porcine-liver
#10
Siyuan Zhang, Yuqiang Han, Xingguang Zhu, Shaoqiang Shang, Guojing Huang, Lei Zhang, Gang Niu, Supin Wang, Xijing He, Mingxi Wan
The feasibility of using ultrasonic Nakagami imaging to evaluate thermal lesions induced by microwave ablation (MWA) in ex vivo porcine liver was explored. Dynamic changes in echo amplitudes and Nakagami parameters in the region of the MWA-induced thermal lesion, as well as the contrast-to-noise ratio (CNR) between the MWA-induced thermal lesion and the surrounding normal tissue, were calculated simultaneously during the MWA procedure. After MWA exposure, a bright hyper-echoic region appeared in ultrasonic B-mode and Nakagami parameter images as an indicator of the thermal lesion...
November 25, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27890422/treatment-efficacy-of-ct-guided-percutaneous-microwave-ablation-for-primary-hepatocellular-carcinoma
#11
T Yin, W Li, P Zhao, Y Wang, J Zheng
AIM: To evaluate the treatment efficacy and potential complications of computed tomography (CT)-guided microwave ablation for primary hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Data were collected and analysed from 220 HCC patients treated with CT-guided microwave ablation and followed up for 2 years. Independent risk factors for overall survival and progression-free survival (PFS) were analysed. RESULTS: Among all cases followed, the cumulative overall survival rates at 1 and 2 years were 95...
November 25, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27870682/advances-in-interventional-oncology-lung-cancer
#12
Philip J Dempsey, Carole A Ridge, Stephen B Solomon
Image-guided lung intervention in the oncologic patient includes transthoracic needle biopsy, thermal ablation, fiducial placement, and tunneled pleural catheter placement and is made possible by technical advancements in computed tomography, fluoroscopy, and ultrasound technology, as well as the proliferation of available thermal ablation modalities such as radiofrequency, microwave, and cryoablation. With increasingly earlier cancer diagnoses being made and a greater patient demand for minimally invasive therapies, interventional oncology has many options to offer the patient with thoracic malignancies...
November 2016: Cancer Journal
https://www.readbyqxmd.com/read/27870681/kidney-cancer
#13
S Brandon Hancock, Christos S Georgiades
The number of new cases of renal cell carcinoma has been steadily increasing since the 1960s, reaching 62,000 and 89,000 annually in the United States and Europe, respectively, in 2016. The current standard of care for early-stage disease is nephron-sparing surgery, which has a demonstrated long-term disease-free survival and an acceptable safety profile. Technical developments (thin, powerful probes and real-time image guidance systems) have allowed image-guided percutaneous ablation to become a viable option for stage I renal cell carcinoma...
November 2016: Cancer Journal
https://www.readbyqxmd.com/read/27870679/new-developments-in-interventional-oncology-liver-metastases-from-colorectal-cancer
#14
Joseph R Kallini, Ahmed Gabr, Nadine Abouchaleh, Rehan Ali, Ahsun Riaz, Robert J Lewandowski, Riad Salem
Colorectal cancer is the third leading cause of cancer death in the United States. Although hepatic excision is the first-line treatment for colorectal liver metastasis (CRLM), few patients are candidates. Locoregional therapy (LRT) encompasses minimally invasive techniques practiced by interventional radiology. These include ablative treatments (radiofrequency ablation, microwave ablation, and cryosurgical ablation) and transcatheter intra-arterial therapy (hepatic arterial infusion chemotherapy, transarterial "bland" embolization, transarterial chemoembolization, and radioembolization with yttrium 90)...
November 2016: Cancer Journal
https://www.readbyqxmd.com/read/27867681/local-ablative-treatments-for-hepatocellular-carcinoma-an-updated-review
#15
REVIEW
Antonio Facciorusso, Gaetano Serviddio, Nicola Muscatiello
Ablative treatments currently represent the first-line option for the treatment of early stage unresectable hepatocellular carcinoma (HCC). Furthermore, they are effective as bridging/downstaging therapies before orthotopic liver transplantation. Contraindications based on size, number, and location of nodules are quite variable in literature and strictly dependent on local expertise. Among ablative therapies, radiofrequency ablation (RFA) has gained a pivotal role due to its efficacy, with a reported 5-year survival rate of 40%-70%, and safety...
November 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27845598/efficacy-of-microwave-ablation-for-severe-secondary-hyperparathyroidism-in-subjects-undergoing-hemodialysis
#16
Zongli Diao, Liyan Wang, Dishan Li, Wenhu Liu
Severe secondary hyperparathyroidism (SHPT) is a serious problem in patients undergoing hemodialysis. The efficacy and safety of microwave ablation (MWA), a minimally invasive treatment, for severe SHPT are as yet unclear. To clarify the role of MWA, we administered it to patients with severe SHPT and assessed its efficacy and safety. This was a prospective, single-center, single-arm, clinical trial. We enrolled patients with severe SHPT attending our hemodialysis center who met the inclusion and exclusion criteria...
November 15, 2016: Renal Failure
https://www.readbyqxmd.com/read/27833776/post-biopsy-liver-hemorrhage-successfully-controlled-by-ultrasound-guided-percutaneous-microwave-ablation
#17
Ophelia Ka Heng Wai, Lawrence Fung Him Ng, Peter San Ming Yu, James Chi Sang Chan
Percutaneous microwave coagulation therapy has been one of the major new developments in tumor ablation. Microwave ablation has also been used intraoperatively to achieve hemostasis at surgical margins in laparotomy. However, the use of microwave ablation for coagulation and hemostasis through percutaneous approach has not been described in the literature. Here, we report a case of hepatic amyloidosis with massive post biopsy liver hemorrhage, which could not be by transarterial embolization, and subsequently controlled by ultrasound-guided percutaneous microwave ablation...
2016: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/27833402/short-term-outcomes-and-safety-of-computed-tomography-guided-percutaneous-microwave-ablation-of-solitary-adrenal-metastasis-from-lung-cancer-a-multi-center-retrospective-study
#18
Min Men, Xin Ye, Weijun Fan, Kaixian Zhang, Jingwang Bi, Xia Yang, Aimin Zheng, Guanghui Huang, Zhigang Wei
OBJECTIVE: To retrospectively evaluate the short-term outcomes and safety of computed tomography (CT)-guided percutaneous microwave ablation (MWA) of solitary adrenal metastasis from lung cancer. MATERIALS AND METHODS: From May 2010 to April 2014, 31 patients with unilateral adrenal metastasis from lung cancer who were treated with CT-guided percutaneous MWA were enrolled. This study was conducted with approval from local Institutional Review Board. Clinical outcomes and complications of MWA were assessed...
November 2016: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/27817240/microwave-ablation-versus-hepatic-resection-for-the-treatment-of-hepatocellular-carcinoma-and-oesophageal-variceal-bleeding-in-cirrhotic-patients
#19
Qiang-Bo Zhang, Xiu-Guo Zhang, Run-de Jiang, Chun-Xiao Hu, Dong Sun, Lin Ran, Zong-Li Zhang
PURPOSE: The aim of this study was to compare the results of microwave ablation (MWA) and hepatic resection (HR) when combined with pericardial devascularisation plus splenectomy (PCDV) for the treatment of patients with cirrhosis complicated by small hepatocellular carcinoma (HCC) and oesophageal variceal bleeding (EVB). MATERIALS AND METHODS: Between 2001 and 2013, 73 patients (median age 53.2 years, 67% male) with small HCC and concomitant EVB who underwent MWA or HR for HCC and PCDV for cirrhotic portal hypertension were selected retrospectively for inclusion in this study...
December 8, 2016: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/27814617/tumor-abolition-and-antitumor-immunostimulation-by-physico-chemical-tumor%C3%A2-ablation
#20
Yona Keisari
Tumor ablation by thermal, chemical and radiological sources has received substantial attention for the treatment of many localized malignancies. The primary goal of most ablation procedures is to eradicate all viable malignant cells within a designated target volume through the application of energy or chemicals. Methods such as radiotherapy, chemical and biological ablation, photodynamic therapy, cryoablation, high-temperature ablation (radiofrequency, microwave, laser, and ultrasound), and electric-based ablation have been developed for focal malignancies...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
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