Summaries: International Kidney Cancer Symposium

Conclusion: there is no increased risk of doing the lymph node dissection early on.   Dr. Eggener-CON   Basics Lymph node dissections rarely done, even for large tumors, because there is no proven therapeutic or staging benefit for low risk patients.  A Mayo study revealed no data showing therapeutic benefit in high risk patients.  For clinically node negative high risk patients, there is staging value but no proven therapeutic benefit. Rate of positive nodes is associated with stage and grade; the higher the stage and grade, the more likely there will be positive nodes.  A tumor> 10 cm with sarcomatoid features and tumor necrosis is also associated with positive nodes. Looking at several studies, the percentage of patients that were found to have positive nodes at the time of surgery was relatively small in all but one study.  The 5-year cancer specific survival for these patients was very consistent at 35-39%. According to the National Comprehensive Cancer Network guidelines for kidney cancer, “Regional lymph node dissection is optional but is recommended for patients with adenopathy on preoperative imaging or palpable/visible adenopathy at time of surgery.” Conclusions: Lymph node dissection for patients with clinical node negative T1-T2 disease is proven not to be necessary Lymph node dissection for patients with clinical node negative T3-T4 disease...
Source: Kidney Cancer Association - Category: Urology & Nephrology Source Type: news

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In this study, the slide wear characteristics and the coefficient of friction of HDPE (high density polyethylene) containing bi-directional silk fiber (SF) composites at two levels of nanoclay (0.5 and 1.%NC) are experimentally investigated using pin on disc setup for three sliding distance. It is observed from slide wear data that increasing the sliding distance, the weight loss increases for pure HDPE, pure HDPE+SF, pure HDPE+SF+0.5%NC and pure HDPE+SF +1%NC of the load application of 10N,20N,30N respectively. Also among four samples studied, the pure HDPE+SF +1%NC shows the least weight loss and pure HDPE shows highest....
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: 2018Source: Materials Today: Proceedings, Volume 5, Issue 11, Part 3Author(s): S. Muzzamil Ahamed, S.G. Rakesh, Y. Vijaya Kumar, B. Mahboob Tabrez, V. Bharat, Mohammed ZakaullaAbstractThe presentation in this paper briefs the experimental results obtained for evaluating the hardness and comparing with its microstructural pattern. Mild steel chills (MSC) are used to check the chilling effect. The results show that chill position influences the hardness of cast iron. Increase in hardness is observed by placing MSC at different locations. Specimens were prepared for microstructural examination using scanning...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: 2018Source: Materials Today: Proceedings, Volume 5, Issue 11, Part 3Author(s): Vinod Kumar V. Meti, Ramesh Konaraddi, I.G. SiddhalingeshwarAbstractAluminum alloy based metal matrix composites play an important role in the field of automobile, aerospace, military and structural applications due to their improved mechanical and tribological properties as compared to base aluminum alloys. To enhance the mechanical and tribological properties, suitable reinforcement particles are added in to the aluminum alloy to form a composite. In this investigation an attempt has been made to develop a composite (AA7075/5...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: 2018Source: Materials Today: Proceedings, Volume 5, Issue 11, Part 3Author(s): Aswin G. Nath, E. Sarath Krishnan, Sachin Cheriyan, P.S. Vishnu, A. Krishnan, Pramod Sreedharan, Ganesha UdupaAbstractA miniaturize hydraulic gear pump is used for pressure generation in the fluidic actuators used in some of the medical and bio-medical devices such as blood pressure monitoring devices, artificial heart pump and prosthetic hands. A large variety of sizes of hydraulic pumps is commercially available. Proper design of the pump depends significantly on the application. Various designs of miniature hydraulic pumps h...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
In this study, PP/Nylon 6 blend ratio was maintained at 70/30. In addition to the compatibilizer, carboxylic acid functionalized multi walled carbon nanotubes (MWCNT) were added to the blend. The polymer blend prepared by twin screw extrusion was converted into test samples by injection moulding. The microstructure development of the blends was characterized by scanning electron microscopy (SEM) and fourier transform infrared spectroscopy (FTIR) techniques. The mechanical and thermal properties of the blends were studied using tensile test and differential scanning calorimetry (DSC) respectively. The effective dispersion o...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: 2018Source: Materials Today: Proceedings, Volume 5, Issue 11, Part 3Author(s): Sagar M Baligidad, U Chandrasekhar, K Elangovan, S Shankar, N Anjankumar, J SupriyaAbstractSelective Inhibition Sintering (SIS) is emergent rapid prototyping technology that builds the solid parts by fusing the powder particles layer by layer with heat, directly from CAD model. The SIS process has many processing parameters of which some have a direct effect on the mechanical properties of the parts fabricated. The HDPE powder particle size was characterized by scanning electron microscopy, differential scanning calor...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: 2018Source: Materials Today: Proceedings, Volume 5, Issue 11, Part 3Author(s): K. Naresh, K. Shankar, R. VelmuruganAbstractImpact resistance (energy absorption) is the needful information for any engineering material which has been used for vehicles to reduce the fatal accidents. The present study focuses to investigate the behavior of unidirectional glass fiber reinforced plastic (GP) composites of different orientations [0°, 45°, [45°/-45°/45°]s, [±45°/0°/90°]s and 90°] under tensile and impact loading. The new laminate orientation ([45°/-45°/45°]s)...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
Publication date: 2018Source: Materials Today: Proceedings, Volume 5, Issue 11, Part 3Author(s): S. Shashidhar, P. Vijaya Kumar, M. Shantharaja, Madeva Nagaral, B.K. ShivanandaAbstractMetal matrix composites are considered as advanced materials in the field of automotive, marine and several industrial applications. In the present work investigations have been made on effect of nano B4C particulates addition on the tensile behavior of Al2219 alloy. Nano B4C particulates of 500nm were used as the reinforcements in the Al alloy matrix. Nano composites were synthesized by using liquid melt method in steps of 2 and 4 wt. % in t...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
The objective of this study is to investigate the influence of nano-sized graphite on the mechanical, thermal and wear characteristics of Ultra High Molecular Weight Polyethylene (UHMWPE) - Graphite (Nano 27) nanocomposites. Mechanical, wear and thermal properties were analyzed for nanocomposites containing 0.5, 1, 1.5 and 2% graphite and compared with unfilled UHMWPE. The wear properties of the nanocomposites were modeled and optimized for nano-graphite content and process parameters viz. sliding velocity and load. Response surface methodology (RSM) was utilized for modeling and optimization for reducing the wear rate in ...
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
This study establishes silazane modified phenol formaldehyde as a potential preceramic matrix resin for the fabrication of Cf/PyC/SiC-Si3N4 composites to achieve improved mechanical properties for thermo-structural applications.
Source: Materials Today: Proceedings - Category: Materials Science Source Type: research
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