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척수내 원발성 교세포종의 수술성적과 그 관련인자에 대한 고찰 : Analysis of Related Factors
곽호신,정천기,김현집,조병규,최길수,한대희 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.8
Presented below are the author s report of the result of surgical treatment of 53 intramedullary gliomas. In the anaysis of survival data. twenty patients with low grade glioma(except the ependymoma) were followed for a period of mean 54 months, from 1 to 103 months. Five of these patients had died from progression of the disease and the 5 year survival rate was 75%. Nine pateints from the above group recieved postoperative radiation therapy.6 with no apparent benefit in terms of survival rate. The median survival of thirteen patients with high grade glioma patients were 11 months and there were signficant increase of median survival time in patients recieving radiation therapy, from 4 to 17 months(P=0.04) The histological grade is the important factor in determining the survival of glioma pateints(P=0.01). In sixteen, out of 20 ependymoma patients, radical removal(>95%) was achived and the patients showed no signs of recurrence until the mean follow-up period of 42 months. Two of the 4 ependymoma patients, whose tumors were partially removed, suffered recurrence and had to be re-operated. We concluded that the radical removal in epndymomas is a significant factor in determining recurrence(P=0.009). The effect of radical removal on survival is not verified statistically. Total removal is more frequently performed in ependymomas than in gliomas(p=0.03). As to functional outcome, better outcome is expected in radical removal on long-term follow-up(p=0.00506)). more so in ependymoma than in glioma. lntramedullary gliomas are extremely rare Therefore sufficient data is unavailable for the determination of efficient treatment plan. However, recently, aggressive surgical treatment with the aid of microsurgical techniques has become a trial option.
Seok-Man Kim,Hoshin Cho,Minho Nam,Seong-Gon Choi,Kyoungrok Cho IEEE 2015 Journal of display technology Vol.11 No.1
<P>Touch screen panel (TSP) technology has dramatically enhanced the connectivity between man and machine, in particular within mobile consumer electronics where mobility is a key design criterion. This paper introduces a novel charge-sensing technique derived from the behavioral characteristics of a mutual capacitive touch screen panel. The approach is based on a reduced scan algorithm whereby both the target and its surroundings form the node and the selection process is conducted in two phases. In the first phase, the introduction of a charge on the TSP is sensed, while the second phase evaluates when the touch event occurs on the TSP. The proposed algorithm reduces the number of sensing nodes activated during the waiting period by observing the behavior of a single row within the charge sensing array, as opposed to the more conventional approach in which all TSP nodes are scanned. As a result, power consumption is reduced by 60% during the sensing phase, while the dynamic sensing range is increased by a factor of 38% for a complete two-stage sensing cycle.</P>