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Hong, Yong Sang,Kim, Hye Ok,Kim, Kyu-pyo,Lee, Jae-Lyun,Kim, Hwa Jung,Lee, Seung Jin,Lee, Sang Ju,Oh, Seung Jun,Kim, Jae Seung,Ryu, Jin-Sook,Moon, Dae Hyuk,Kim, Tae Won Society of Nuclear Medicine 2013 The Journal of nuclear medicine Vol.54 No.8
<P>The aim of this study was to evaluate 3′-deoxy-3′-<SUP>18</SUP>F-fluorothymidine (<SUP>18</SUP>F-FLT) PET for early prediction of the standard anatomic response and survival outcomes in patients with metastatic colorectal cancer (mCRC) receiving leucovorin, 5-fluorouracil (5-FU), and oxaliplatin (FOLFOX). <B>Methods:</B> The main eligibility criteria included histologically confirmed mCRC, ≥1 extrahepatic measurable lesions, and no prior chemotherapy in a metastatic setting. Chemotherapy consisted of leucovorin on day 1, followed by the continuous infusion of 5-FU on days 1 and 2, and oxaliplatin on day 3. In the second and subsequent cycles of chemotherapy, oxaliplatin was administered simultaneously with leucovorin on day 1. <SUP>18</SUP>F-FLT PET scans were obtained 3 times during the first cycle of chemotherapy: before chemotherapy, 24 h after infusion of 5-FU (day 2), and 48 h after completion of chemotherapy (day 5). The maximum standardized uptake value (SUV<SUB>MAX</SUB>) of <SUP>18</SUP>F-FLT was measured. Treatment responses were assessed by CT after 3 cycles of FOLFOX. <B>Results:</B> Eighteen patients were included in the study. The response rate after 3 cycles of FOLFOX was 27.8% (5/18). The SUV<SUB>MAX</SUB> was increased in responders (<I>P</I> = 0.043) and nonresponders (<I>P</I> < 0.001) on day 2 and was decreased, compared with baseline values, on day 5 in responders only (<I>P</I> = 0.043). Receiver-operating-characteristic curve analysis indicated that the use of a threshold of an SUV<SUB>MAX</SUB> increase on day 2 of ≤45.8% resulted in a sensitivity of 100%, specificity of 69.2%, and relative risk of 2.250 (<I>P</I> = 0.029) for the diagnosis of responders. Use of a threshold of an SUV<SUB>MAX</SUB> decrease on day 5 of ≥10.6% resulted in a sensitivity of 100%, specificity of 76.9%, and relative risk of 2.667 (<I>P</I> = 0.007). Patients with low <SUP>18</SUP>F-FLT flare tended to have longer survivals than patients with high flare (2-y overall survival rate, 77.8% vs. 44.4%; <I>P</I> = 0.051). <B>Conclusion:</B> The <SUP>18</SUP>F-FLT flare observed during 5-FU infusion was associated with poor treatment response in patients with mCRC. The degree of <SUP>18</SUP>F-FLT flare might be used to predict the outcome of patients who receive infusional 5-FU–based chemotherapy.</P>
Simultaneous 3D Machining with Real-Time NURBS Interpolation
Won-Pyo Hong,Seok-Woo Lee,Hon-Zong Choi,Min-Yang Yang 대한기계학회 2003 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.17 No.3
Increasing demand on precision machining using computerized numerical control (CNC) machines have necessitated that the tool move not only with the smallest possible position error but also with smoothly varying feed rates in 3-dimensional (3D) space. This paper presents the simultaneous 3D machining process investigated using a retrofitted PC-NC milling machine. To achieve the simultaneous 3-axis motions. a new precision interpolation algorithm for 3D Non-Uniform Rational B-Spline (NURBS) curve is proposed. With this accurate and efficient algorithm for the generation of complex 3D shapes, a real-time N URBS interpolator was developed using a PC and the simultaneous 3D machining was accomplished satisfactorily.
Political Action and Love of the World(Amor Mundi)
( Won Pyo Hong ) 한국세계지역학회 2007 世界地域硏究論叢 Vol.25 No.2
For Arendt political action and amor mundi should be closely interrelated. Political action is defined both as agonal encounter between actors, and as the collective process of deliberation and decision-making, while amor mundi is defined as the disinterested and passionate attitude toward the world, that is, the care for the world. Therefore, this work is emphasized on the interrelations between politics(praxis) and ethics, Power as a condition for the action, and the justifiable violence contribute to transform the desert-world into the humanizing world. And the judgment as political action is also related with the care for the others, because open-minded or enlarged thinking enables us to communicate with each other, and provides us the opportunity to deliberate collectively the public affairs. Political judgment is closely related to responsibility. Responsibility as a mode of political action also springs from the care for the world, because the equalization of doing and suffering is tantamount to the sacrifice for the world rather than the exclusive self-interests. Regretfully, Arendt does not theoretically articulate amor mundi, whose content is found in the phrase ``the humanizing world,`` ``the care for the others,`` and ``responsibility for the world.`` But her passionate and disinterested attitude toward the world is composed of one of several axes in her works as whole.
Hong Euy Lim,Sang Kyung Jo,Hyun Kyung Choi,In Beom Suh,Soo Young Yoon,Jeong Seok Moon,Nam Hee Won,Young Joo Kwon,Heui Jung Pyo,Sang Wook Kim 대한내과학회 1998 The Korean Journal of Internal Medicine Vol.13 No.1
Wegener`s granulomatosis is a distinct form of necrotizing granulomatous vasculitis which usually affects the kidneys and the upper and lower respiratory tracts. Unusual manifestations have also been reported, and these include colitis, urethritis and diab
Hong, Won-Pyo The Korean Institute of IIIuminating and Electrica 2012 조명·전기설비학회논문지 Vol.26 No.10
This paper proposes a new design and implementation of multi-protocol IED for networked control system of multi-induction motor in industrial fields. The experimental multi-induction motor based multi-protocol IED of Modbus/LonTalks/TCP/IP module is designed and fabricated. This article addresses issues in architecture of LonWorks/Ethernet sever, embedded processors architecture for converting Modbus protocol to LonTalks protocol, integrating preconfigured software, and Internet technologies. It is also verified that the multi-induction motor control and monitoring system using LonWorks/Ethernet server have available, interoperable, reliable performance characteristics from the experimental results, especially, the seamless integration of TCP/IP networks with control networks allows access to any control point from anywhere. Thus, the results provide available technical data for remote distributed motor control system of industrial field or building microgrid with LonWorks BAS.