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하악골에 발생한 다발성 중심성 골종 : 증례보고 REPORT OF A CASE
전효상,이문희,정해송,이동근,김성곤,조병욱 대한악안면성형재건외과학회 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.4
Osteomas are benign tumor composed of mature compact or cancellous bone. Generally, they are classified as peripheral(periosteal) osteoma and central(endosteal) osteoma by origin. Osteomas are essentially restricted to the craniofacial skeleton and are rarely diagnosed in other bones. Most jaw osteomas are detected in young adults and are generally asymptomatic, solitary lesion. The authors present a case of a endosteal osteoma of the mandible. The lesion was located beneath both the mandibular first premolars, about 2.5㎝×1.5㎝ size. Surgical excision of the lesion was performed and we obtained good result after operation.
Late Recurrent Coronary Artery Occlusion After Stenting in a Patient Diagnosed as Polycythemia Vera
( Hae Geun Song ),( Jae Hyun Cho ),( Young Jin Choi ),( Seong Hwan Kim ),( Eung Ju Kim ),( Hyo Jung Kim ),( Woo Jung Park ),( Seung Hyuk Choi ),( Kyoo Rok Han ),( Dong Jin Oh ),( Chong Yun Rhim ),( Kw 대한내과학회 2005 대한내과학회 추계학술대회 Vol.69 No.10
일반품질연구 : 중요도-만족도 격차분석을 이용한 품질 속성의 우선순위 결정
송해근 ( Hae Geun Song ),임성욱 ( Sung Uk Lim ) 한국품질경영학회 2015 품질경영학회지 Vol.43 No.2
Purpose: To obtain the area for improvement, the Importance-Performance analysis(IPA) uses relatively simple questions, that is, satisfaction and importance at attribute level. However, no attempt has been made to consider the gap between own company``s performance and those of competitors in IPA, in the field of quality management. This study is aimed to suggest a new prioritizing method for improvement and to test for validity of the proposed technique. Methods: This study used data collected from Song and Lim(2015), which is satisfaction of employees, customers and competitors as well as importance data for 7 quality attributes of K animal hospital. A correlation comparison with other priority methods such as Bacon(2003)``s model and Matzler and Hinterhuber(1998)``s QI index is conducted. Results: The priority results by the proposed method shows better in correlation coefficient with customer perceived priority for improvement than other methods. Conclusion: From the result of the current study, it can be concluded that the result of the proposed method is valid, while it is relatively easy to understand and analyze, and therefore no additional survey is necessary for improvement priority.
송혜근 ( Hae Geun Song ),유교상 ( Kyo Sang Yoo ),주나래 ( Na Rae Ju ),박진철 ( Jin Chul Park ),정재원 ( Jae One Jung ),신운건 ( Woon Geon Shin ),문준호 ( Joon Ho Moon ),김종표 ( Jong Pyo Kim ),김경오 ( Kyoung Oh Kim ),박철희 ( Che 대한소화기학회 2006 대한소화기학회지 Vol.48 No.2
Adenosquamous carcinoma of the papilla of Vater is a rare tumor and only a few cases have been reported so far. Here, we report a case of adenosquamous carcinoma in a 76-year-old male who presented with jaundice and right upper quadrant abdominal pain. Ultrasonography and enhanced abdominal CT scans showed dilated common bile duct (CBD) and intrahepatic bile duct (IHD) with a suspicious obstructing mass in distal CBD. On endoscopy, obstructing and ulcerated mass was noted on the papilla of Vater. Histopathological inspection of the biopsied specimens from mass showed adenosquamous cell carcinoma of the papilla of Vater. Since the patient refused operation, we inserted a self-expandable metallic stent in distal CBD. This is the first case report on adenosquamous carcinoma of the papilla of Vater in Korea. (Korean J Gastroenterol 2006;48:132-136)
송해근(Hae-Geun Song),김준모(Jun-Mo Kim),임성욱(Sung-Uk Lim) 한국엔터테인먼트산업학회 2012 한국엔터테인먼트산업학회논문지 Vol.6 No.4
본 연구는 항공기상청의 운영 성과 향상을 위하여 이 기관의 주요 성과지표(KPI: Key Performance Index)에 대해 개선된 가중치 결정을 제안하였다. 이를 위해 지난 4년간(2008-2011)의 항공기상청의 KPI를 전략, 중점추진과제, 기본목표(비전/미션)에 대하여 분석하고 개선 방안을 검토하였다. 본 연구에서는 항공기상청 KPI의 가중치 결정을 위해 AHP의 쌍대비교를 적용하였으며, 분석 결과 항공기상청의 사내 직원 및 항공기상청장(김포공항기상대 대장)의 가중치가 서로 다른 것으로 나타났다. 이를 수렴하여 본 연구에서 제시한 가중치 개선안은 ‘새로운 도약을 위한 항공기상 가치 구현’이라는 이 기관의 목표를 달성하는데 유용한 가이드가 될 것으로 기대한다. This study proposes an improved importance determination of AMA(Aviation Meteorological Agency)’s KPI(Key Performance Index) to enhance it’s operational performance. For this, we analysed strategy, main tasks, and goals(vision/mission) of the KPI for last four years(2008-2011), and reviewed on improvements. To determine the relative importance of the AMA’s KPI, we used pair-wise comparison of AHP. The results show that there is significant difference between the importance value of AMA’s staff and that of the director of AMA(and the chief of Kimpo international airport meteorological observatory). Applying this result, the improved importance determination proposed in this study, is expected to be a useful guidance for achieving the AMA’s goal, that is, ‘Realization of aviation meteorological’s value for a new leap’.
The Effects of rhBMP-2 Injection at Distraction Osteogenesis of Rats` Tibia
( Hae Ryong Song ),( Sung Eun Kim ),( Hyo Geun Kim ),( Young Pil Yun ),( Ji Hoon Bae ),( Hak Jun Kim ) 한국조직공학·재생의학회 2011 조직공학과 재생의학 Vol.8 No.2
Distraction osteogenesis is the popular method of bone-lengthening procedure. Delayed consolidation of bone after distraction osteogenesis makes complications related to external fixator and refractures after removal of external frame. We hypothesized that only rhBMP-2(recombinant human bone morphogenetic protein-2) could accelerate the long bone healing. 18 Sprague-Dawley rats were divided into two groups after 5 mm lengthening by distraction osteogenesis. The control group was none-injected group and the experimental group was injected 0.5 cc of 0.05 mg/ml rhBMP-2. We evaluated the 6 samples respectively at different time point (2, 4, 8 weeks) using simple radiographs, micro-CT and histological stains. According to the simple radiographs, bone consolidation of percentage pixel count was higher in the experimental group at 2, 4, 8 week, and statistically significant higher than the control group at 8 weeks (p < 0.05). Percentage bone Volume, trabecular thickness in the experimental group was higher than the control group by evaluation with micro-CT. According to the histological examinations, neovascularization and new stromal cells were observed in the control group at 2 week- speciemen but intramembranous ossification was seen at 2 week- specimens in the experimental group. Intramembranous and enchondral ossification was seen in the experimental group but not seen in the control group at the 4 week-specimens. Trabeculae thickness in the experimental group was thicker than the control group at 8-week specimens. Only local injection of rhBMP- 2 at the distraction site could accelerate the bone healing during distraction osteogenesis.
Song, Young Geun,Shim, Young-Seok,Kim, Sangtae,Han, Soo Deok,Moon, Hi Gyu,Noh, Myoung Sub,Lee, Kwangjae,Lee, Hae Ryong,Kim, Jin-Sang,Ju, Byeong-Kwon,Kang, Chong-Yun Elsevier Sequoia 2017 Sensors and actuators. B Chemical Vol.248 No.-
<P><B>Abstract</B></P> <P>We report the highly sensitive and selective downsized gas sensors for the IoT application. Sensing areas of Pt-interdigitated electrodes (IDEs) were varied to investigate the relation between sensing materials and electrodes. In<SUB>2</SUB>O<SUB>3</SUB> nanocolumns were deposited on the pre-patterned Pt IDEs using glancing angle deposition (GLAD). The effect of the interface resistance between electrodes and sensing materials, and the intergrain resistance between nanocolumns is analyzed by linear regression at different sensing area and incident angle of GLAD. In<SUB>2</SUB>O<SUB>3</SUB> (angle: 85°, sensing area: 0.3mm×0.3mm) nanocolumns with double Schottky barriers show the highest response and selectivity with fast response time of 10s to VOCs among the samples fabricated in this study. The analysis reveals that the intrinsic response of In<SUB>2</SUB>O<SUB>3</SUB> (angle: 85°, sensing area: 0.3mm×0.3mm) nanocolumns are dominantly affected by intergrain resistance, resulting in a high response. Our demonstration for the fundamental aspect of downsizing gas sensor makes an important contribution to the chemical sensor field with broad interest.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The sensing areas are varied to investigate the relation between sensing materials and electrodes. </LI> <LI> The effect of the interface resistance and the intergrain resistance are analyzed by linear regression. </LI> <LI> The performance of the downsizing gas sensor is greatly influenced by the interface resistance. </LI> </UL> </P>