radiofrequency+ablation+and+microwave+ablation+for+liver+tumors

... mortality rate of liver tumors, especially multiple metastatic liver tumors, is high Multimodal therapies for multiple liver tumors have advanced considerably, and include radiofrequency ablation, radiation, ... therapy is clinically indicated for multiple and diffuse tumors, such as glioblastoma and head and neck tumors [2] BNCT was recently evaluated for treating liver tumors [3-8], although the prognosis ... views (a) of the liver with tumors after administration of PBS; (b) normal liver; (c) liver with tumors after BNCT with BSH, and (d) liver with tumors after BNCT with CG-HVJ-E B) Liver weight after...

Ngày tải lên: 09/08/2014, 09:20

... investigation for liver tissue engineering The most common liver failures today are due to chronic hepatitis, cirrhosis and alcoholic liver disease Due to the increasing number of liver patients and liver ... cell adhesion and subsequent tissue formation, since 3D scaffolds have more available surface area for cell attachment and adequate porosity for nutrients and oxygen transport Therefore, 3D porous ... of solvent removal, and stirring rate [Anderson and Shive, 1997, Göpferich, 1997, Kiss and Vargha-Butlaer, 1999, Peppas and Langer, 1994 and Vert, 1984] Degradability of PHB and PHBV polymers has...

Ngày tải lên: 06/10/2015, 20:43

... guide lines for cirrhosis (1) Surgical resection was not possible in cases for previous liver resection, in 10 cases for comorbidity, in 328 cases for difficult sided nodules, in case for refusal, ... al A randomized controlled trial of radiofrequency ablation with ethanol injection for small hepatocellular carcinoma Gastroenterology 2005;129:122-130 Lin SM, Lin C-J, Lin C-C, et al Randomised ... injection for small hepatocellular carcinoma : therapeutic efficacy based on 20 years observation J Hepatol 2005; 43 :377-80 Sutherland LM, Williams J, Padbury R, et al Radiofrequency ablation of liver...

Ngày tải lên: 08/08/2014, 17:20

... of the liver for HCC 4A, 4B: axial- fused and PET images of the liver before the treatment 4C, 4D: axial- fused and PET images of the liver after the treatment NR groups as 25.63 ± 1.52 and 20.45 ... esophagus and 3/78 neuroendocrine tumor patients) All the patients had received chemotherapy for the treatment of primary tumors Furthermore, all of them had taken chemotherapy for liver metastases and ... neuroendocrine tumor and malignant melanoma) Radiation Delivery 68 patients received treatment for the right lobe, seven patients received treatment for the left lobe and patients for both lobes The...

Ngày tải lên: 09/08/2014, 02:20

... Selective intraarterial radionuclide therapy with Yttrium-90 (Y-90) microspheres for unresectable primary and metastatic liver tumors N Ozlem Kucuk¹, Cigdem Soydal¹, Seda Lacin¹, Elgin Ozkan¹, Sadık Bilgic² ... department for SIRT between June 2006 and October 2010 were evaluated retrospectively.” In The ‘Patients’ section of the Patients and Method, the first sentence should have read: “The clinical and follow-up ... Selective intraarterial radionuclide therapy with Yttrium-90 (Y-90) microspheres for unresectable primary and metastatic liver tumors World J Surg Oncol 2011 Aug 6;9:86 ...

Ngày tải lên: 09/08/2014, 02:21

... was 2,5 ml for T12 and L3 vertebra, ml for L1, ml for L2 and ml for L4 vertebra Increases of 6% and 12% were measured respectively for anterior and middle wall of T12 vertebra and 10% and Page ... acid), or local deposition of some form of energy (radiofrequency, cryoablation, microwave, laser, and ultrasound) RFA is described in the literature as a safe and effective therapy to enhance ... Halpern EF, Oliver BS, Lenkinski RE: Radiofrequency thermal ablation with NaCl solution injection: effect of electrical conductivity on tissue heating and coagulation- phantom and porcine liver study...

Ngày tải lên: 09/08/2014, 04:21

... cold-based (cryoablation), and extreme heatbased (radiofrequency ablation, microwave ablation and laser ablation) ablations These treatments can be performed in laparoscopic, percutaneous, and open ... non-coagulated liver tissue implementing the Kelvin model 58 4.11 (a) Perfused porcine liver for desired ablation at lobe A, B, C and D, and (b) ablation process using the new RF ablation and cutting ... experiments The models for the non-coagulated and coagulated liver tissues are proposed accordingly The modelling of liver tissue and scalpel interaction along with the applied force and deformation is...

Ngày tải lên: 16/10/2015, 15:36

... quality of life before and after ablation The general QoL and QoL with respect to the above mentioned symptoms were retrospectively evaluated before and after ablation The aforementioned questionnaires ... defective (5) and insufficient (6)) Patients with AVNRT, AVRT and EAT rated their state of health before and after ablation The changes within the ranking scale before and after ablation is demonstrated ... significant and sustained improvement in fundamental daily and social life, both for the whole study cohort and for the different types of SVT In contrast, patients without ablation therapy and longstanding...

Ngày tải lên: 03/11/2012, 11:44

... portal and delayed phases as well as the moderate and inho adenomas for malignant tumors phase are elements that may cause misinterpretation of adenomas for malignant tumors (a) (b) Figure Liver ... characteristics make CEUS a good and reliable procedure for the detection of liver tumors and follow–up under treatment However, CEUS is restricted and with low performance in every case where 2D ... an accumulation and deposition of iron in organs like liver, pancreas, skin, heart and pituitary In the liver, progressive accumulation of iron leads to fibrosis and cirrhosis and promotes the...

Ngày tải lên: 23/03/2014, 17:20

... SK, XD and JK performed the rabbit experiments and ELISA analysis JG, SW and YC carried out the immunohistochemistry, XD and JK performed the western blotting SK, XD and WS conceived and designed ... sacrificed by injecting an overdose of ketamine and xylazine 10 days after RFA The liver and lungs were carefully dissected and excised The number Page of 10 and size of masses were noted The pathological ... reinoculation The rabbits were sacrificed and the liver tumors were harvested simultaneously 10 days after RFA The harvested tumors were placed in saline solution and cut into cubes of mm Only portions...

Ngày tải lên: 18/06/2014, 16:20

... Lumped Elements for RF and Microwave Circuits For a listing of recent titles in the Artech House Microwave Library, turn to the back of this book Lumped Elements for RF and Microwave Circuits ... Transformer Wideband Impedance Matching Transformers Types of Transformers 318 318 319 322 323 325 326 329 11.2 Wire-Wrapped Transformers 11.2.1 Tapped Coil Transformers 11.2.2 Bond Wire Transformer ... Transmission-Line Transformers xiv Lumped Elements for RF and Microwave Circuits 11.4 Ferrite Transformers 336 11.5 Parallel Conductor Winding Transformers on Si Substrate 339 11.6 Spiral Transformers on...

Ngày tải lên: 04/07/2014, 05:33

... Lumped Elements for RF and Microwave Circuits For a listing of recent titles in the Artech House Microwave Library, turn to the back of this book Lumped Elements for RF and Microwave Circuits ... Transformer Wideband Impedance Matching Transformers Types of Transformers 318 318 319 322 323 325 326 329 11.2 Wire-Wrapped Transformers 11.2.1 Tapped Coil Transformers 11.2.2 Bond Wire Transformer ... Transmission-Line Transformers xiv Lumped Elements for RF and Microwave Circuits 11.4 Ferrite Transformers 336 11.5 Parallel Conductor Winding Transformers on Si Substrate 339 11.6 Spiral Transformers on...

Ngày tải lên: 08/08/2014, 01:21

... include thin film, thick film, and LTCC; and are suitable for high-quality, low-cost, and compact, high-performance inductors, respectively 57 58 Lumped Elements for RF and Microwave Circuits Figure ... Inductors for RF and Microwave Circuits,’’ Int J RF and Microwave Computer-Aided Engineering, Vol 10, March 2000, pp 139–146 [40] Bahl, I J., ‘‘High Performance Inductors,’’ IEEE Trans Microwave ... circuit boards, and on hybrid integrated circuit substrates Silicon is a potential candidate for RFICs, and GaAs is widely used for MMICs Standard silicon substrates have low resistivity and Si-based...

Ngày tải lên: 08/08/2014, 01:21

... thick For multilayer inductors, the inductance and f res can be expressed in terms of area and number of turns For example, for the inductor shown in Figure 116 Lumped Elements for RF and Microwave ... Elements for RF and Microwave Circuits Figure 3.36 Comparison of L t for various inductors types fabricated using standard (S), multilayer (A), multilayer and multilevel metallization (M), and multilayer ... Q eff for type A, and standard circular, square, and variable width inductors All inductors have 12-␮ m spacing between the turns Figure 3.41 shows typical physical layouts for standard and modified...

Ngày tải lên: 08/08/2014, 01:21

... Inductors for RF and Microwave Circuits,’’ Int J RF and Microwave Computer-Aided Engineering, Vol 10, March 2000, pp 139–146 [81] Bahl, I J., ‘‘High Performance Inductors,’’ IEEE Trans Microwave ... Int J RF and Microwave Computer-Aided Engineering, Vol 8, November 1998, pp 441–454 [84] Bahl, I J., ‘‘High-Q -and Low-Loss Matching Network Elements for RF and Microwave Circuits,’’ IEEE Microwave ... (4.31) 152 Lumped Elements for RF and Microwave Circuits and as a first-order approximation ⑀ re = ⑀r + (4.32) Accurate expressions for L and C are also given in [20] and are reproduced here: L...

Ngày tải lên: 08/08/2014, 01:21

... Elements for RF and Microwave Circuits Figure 6.7 Modeled and measured S 21 for 2- and 10-pF MIM capacitors on 125-␮ m-thick GaAs substrate Figure 6.8 Modeled and measured S 11 for 2- and 10-pF ... 6.7 and 6.8 show an excellent correlation between the modeled values and the measured data for S 21 and S 11 for 2- and 10-pF capacitors Figure 6.9 illustrates the variation of Q -factor for ... wider and shorter conductor used compared 210 Lumped Elements for RF and Microwave Circuits Figure 6.17 (a) Cross-sectional view of a MIMIM capacitor on Si substrate and (b) EC model for MIM and...

Ngày tải lên: 08/08/2014, 01:21

... 240 Lumped Elements for RF and Microwave Circuits Figure 7.8 Interdigitated capacitor’s ∠ S 11 and ∠ S 21 responses Table 7.2 Physical Dimensions and Equivalent Model Values for Interdigital Capacitors ... accounted for when the inductor and the gap are replaced by 2S = 2S ′ + ⌬t and 2g = 2g ′ − ⌬t , where ⌬t = ͫ 8␲ S ′ t + ln ␲ t ͬ and 2S ′ and 2g ′ are the physical width of the strip and the gap ... Jansen Microwave [16] MSC/EMAS, Milwaukee, WI: MacNeal Schwendler 252 Lumped Elements for RF and Microwave Circuits [17] IE3D, San Francisco: Zeland Software [18] Kattapelli, K., J Burke, and A...

Ngày tải lên: 08/08/2014, 01:21

... values of d and W, for h = 125 ␮ m and t = 4.5 ␮ m: (a) capacitance for airbridge, (b) capacitance for crossover, and (c) inductance for crossover 308 Lumped Elements for RF and Microwave Circuits ... transformer with M > 0, and (c) transformer with M < 324 Lumped Elements for RF and Microwave Circuits between the two input and output ports as desired from a transformer An ideal transformer ... I J., ‘‘High-Q and Low-Loss Matching Network Elements for RF and Microwave Circuits,’’ IEEE Microwave Magazine, Vol 2, September 2000, pp 64–73 316 Lumped Elements for RF and Microwave Circuits...

Ngày tải lên: 08/08/2014, 01:21

... Elements for RF and Microwave Circuits [5] Abrie, P D., Design of RF and Microwave Amplifiers and Oscillators, Norwood, MA: Artech House, 1999 [6] Mongia, R., I Bahl, and P Bhartia, RF and Microwave ... requirements for switches including low and high power, narrowband and broadband, and high isolation Lumped elements play an important role in achieving broad bandwidths, high isolation, and high ... Kaul, Microwave Engineering and Systems Applications, New York: John Wiley, 1988, Chap 12 394 Lumped Elements for RF and Microwave Circuits [40] Chang, K., (Ed), Handbook of Microwave and Optical...

Ngày tải lên: 08/08/2014, 01:21

... capacitors, and inductors For RF /microwave applications, there is a need for high-performance, lowcost PCB materials that can provide low-loss finer lines (≅5 mil wide) and narrower spacings (≅5 mil) for ... printing conductor patterns for low-loss passive circuits at RF and low microwave frequencies 414 Lumped Elements for RF and Microwave Circuits 13.4.3 Cofired Ceramic and Glass-Ceramic Technology ... Characteristic Impedance and Effective Dielectric Constant Closed-form expressions for Z and ⑀ re when conductor thickness t = are given here [1]: 429 430 Lumped Elements for RF and Microwave Circuits...

Ngày tải lên: 08/08/2014, 01:21