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김정은,정순섭 건국대학교 의과학연구소 2002 건국의과학학술지 Vol.12 No.-
Neonatal gastric perforation is an uncommon disease that occurs only in neonatal period. It requires the early diagnosis and emergency operation. Especially neonatal gastric perforation with diaphragmatic eventuration is extremely rare. Four days old male infant who revealed sudden onset vomiting and dyspnea was diagnosed as neonatal gastric perforation with diaphragmatic eventuration and successfully treated by primary closure of stomach with two layer suture after debridement and correction of eventrated diaphragm with nonabsorbable material.
황성희,정헌식,김순동,윤광섭 동아시아식생활학회 2004 동아시아식생활학회지 Vol.14 No.6
This study was conducted to investigate the effects of Glycyrrluizia uralensis water extract on the quality of Cheonggukjang(fermented soybean paste). Soybeans were soaked for 24 hrs, steamed for 1 hr at 121 , mixed with G. uralensis extract(0, 1, 3 and 5%) and fermented for 54 hrs at 40 after inoculation of Bacillus lichenifomis. The amounts of viscous substance and reducing sugar, and pH of the products were increased when the G. uralensis extract was added. The color of the products was changed to dark yellow by the addition of G. uralensis extract. Ammonia odor and bitter taste decreased as the G. uralensis extract content increased. The products added with 5% of G. uralensis extract showed higher acceptability scores than the others. Results suggest that the water extract of G. uralensis could be used as an additive to improve the quality of Cheonggukjang.
대장암 환자의 임상양상에 따른 EGFR Mutation의 발생 빈도
오보영,이령아,정순섭,김광호 이화여자대학교 의과학연구소 2013 EMJ (Ewha medical journal) Vol.36 No.1
Objectives: The EGFR plays an important role in tumorigenesis and tumor progression of colorectal cancer, and leads to the activation of intracellular signaling pathways. The use of anti-EGFR-targeted therapy has increased for patients with colorectal cancer, but patients with EGFR mutations will be resistant to anti-EGFR-targeted therapy. The identification of gene mutations is critical in cancer treatment; therefore, the aim of this study is to investigate the incidences of EGFR mutations in colorectal cancer patients in Korea. Methods: We reviewed 58 colorectal cancer patients who underwent operations between 2003 and 2006, retrospectively. We analyzed their EGFR mutations in 4 loci by DNA sequencing. In addition, we analyzed the correlation between the presence of EGFR mutation and patients’ clinicopathologic features. Results: Of the 58 patients, 35 patients were male and 23 were female. Their mean age was 63.28±11.18 years. Two patients (3.45%) were diagnosed as stage Tis, 7 patients (12.07%) had stage I, 24 patients (41.38%) had stage II, 20 patients (34.48%) had stage III, and 5 patients (8.62%) had stage IV. As a result of mutational analysis, EGFR mutations on exon 20 were detected in 13 patients (22.41%, G→A transitions). EGFR mutations on exon 18, 19 and 21 were not detected. EGFR mutation increased in the earlier stage and the absence of lymph node metastasis (P=0.028). Conclusion: The incidence of EGFR mutation in Korean colorectal cancer patients is 22.41%. In addition, EGFR mutation significantly increased in the earlier stage and the absence of lymph node metastasis.
대장암에서 개복 대장절제술, 복강경 대장절제술 및 수부 보조 복강경 대장절제술의 단기 추적 관찰 결과의 비교
홍경숙,노경태,오보영,이령아,정순섭,김광호 이화여자대학교 의과학연구소 2011 EMJ (Ewha medical journal) Vol.34 No.2
Objectives: Hand-assisted laparoscopic surgery had both technical advantages of open surgery and better postoperative short-term follow-up results of laparoscopic surgery. We compared open colectomy, laparoscopic colectomy and hand-assisted laparoscopic colectomy, and tried to find the most effective operative modality. Methods: 90 patients, who were diagnosed with colorectal cancer and underwent colectomy in our institution, were categorized as 3 groups of open colectomy (OC) group, laparoscopic colectomy (LC) group and hand-assisted laparoscopic colectomy (HALC) group by the surgical modality. Results: In this study, ratio of male and female was 57:37, and mean age was 64.1 years old. LC group and HALC group showed longer operation time, shorter hospital stay after operation, lesser pain and earlier removal of closed drainage catheter than OC group. Amount of bleeding during operation, frequency of transfusion and incidence of complication showed no significant difference. In permanent pathologic results, the number of harvested lymph nodes had significant difference between OC group and other groups (P=0.030), but it was probably caused by the bias of the different distribution of the stages in each group. Overall 14 of the cases resulted in complications while there was no mortality. Conclusion: Laparoscopic colectomy and hand-assisted laparoscopic colectomy showed better short-term follow-up results rather than open colectomy. And hand-assisted laparoscopic surgery could provide tactile sensation to operator, which lacked in laparoscopic surgery. Hand-assisted laparoscopic colectomy could be an alternative surgical option for colorectal cancer with these advantages.
A New Amorphous Semiconducting Polythiophene for High-Performance Organic Thin-Film Transistors
Kong, Hoyoul,Lee, Dong Hoon,Seo, Jung-In,Oh, Ji-Young,Chung, Dae Sung,Park, Jong-Won,Kwon, Soon-Ki,Lee, Yoon Sup,Park, Chan Eon,Shim, Hong-Ku American Chemical Society 2010 ACS APPLIED MATERIALS & INTERFACES Vol.2 No.4
<P>A new amorphous semiconducting polymer containing dodecylthiophene rings and a rigid thieno[3,2-<I>b</I>]thiophene ring, poly(2,5-bis(3′-dodecyl-2,2′-bithiophen-5-yl)thieno[3,2-<I>b</I>]thiophene) (<B>NAP</B>), was synthesized via a microwave-assisted Stille coupling reaction. The presence of the flexible unsubstituted thiophene ring units next to the rigid fused thiophene ring caused <B>NAP</B> to have an amorphous structure. This structure was confirmed by XRD, AFM, and computational calculations. In particular, the out-of-plane XRD patterns of <B>NAP</B> thin films exhibited no reflection peaks before or after the annealing process, indicating that the films had amorphous microstructures. In addition, AFM images of the <B>NAP</B> thin films showed amorphous surface morphologies with very small root-mean-square (rms) surface roughnesses of 0.3−0.5 nm, independent of surface treatment or heat treatment. Computational calculations performed to investigate the preferred conformation of the polymer confirmed the amorphous characteristics of the <B>NAP</B> structure. On the basis of these findings, we propose how an amorphous <B>NAP</B> semiconductor can maintain high carrier mobility. A <B>NAP</B>-based TFT device exhibited a very high carrier mobility of 0.02 cm<SUP>2</SUP> V<SUP>−1</SUP> s<SUP>−1</SUP> with an on/off ratio of 1 × 10<SUP>5</SUP> and a very small threshold voltage of −2.0 V. This carrier mobility is the highest yet reported for TFTs based on amorphous semiconductors. Thus, the present findings suggest that an amorphous semiconductor layer comprised of <B>NAP</B> would be suitable for use in high-performance organic TFTs fabricated via simple processes in which neither surface treatment nor heat treatment is necessary.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/aamick/2010/aamick.2010.2.issue-4/am9008852/production/images/medium/am-2009-008852_0011.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/am9008852'>ACS Electronic Supporting Info</A></P>
정순섭 ( Soon Sup Chung ) 한국정맥경장영양학회 2014 한국정맥경장영양학회지 Vol.6 No.1
Nutrition support methods in the elderly is not easy, but similar as young adult. Elderly patients are at increased risk of partial or complete loss of independence due to acute and/or chronic disease and often of concomitant protein caloric malnutrition. The type of artificial nutrition to use will depend on the current illness and the previous health record. Because enteral feeding is less expensive and aggressive, enteral feeding should be used whenever possible, leaving parenteral nutrition for specific situations where enteral feeding should not be used
원발성 유두 갑상선암의 수술적 치료 후 측경부 전이 림프절에서 발생한 미분화 갑상선암 3예
성태연,홍순원<SUP>1<.SUP>,강상욱,이승철,정종주,이용상,남기현,장항석,정웅윤,박정수,Tae-Yon Sung,Soon-Won Hong<SUP>1<.SUP>,Sang- Wook Kang,Seung Chul Lee,Jong Ju Jeong,Yong Sang Lee,Kee-Hyun Nam,Hang-Seok Chang,Woong Youn Chung,M.D. 대한갑상선-내분비외과학회 2008 The Koreran journal of Endocrine Surgery Vol.8 No.3
Anaplastic thyroid carcinoma (ATC) is a rare disease that shows very aggressive behavior. Most ATCs arise from pre-existing thyroid carcinomas. However, anaplastic transformation occurring in metastatic cervical nodes is extremely rare. We report herein on 3 cases of anaplastic transformation of metastatic lateral cervical lymph nodes from primary papillary thyroid carcinoma (PTC), which happened long after the initial surgical treatment. All the patients died of disease within 4 months in spite of aggressive treatment for the lesions. Our experience supports that appropriate lymph node dissection is mandatory at the time of initial surgery even for differentiated thyroid carcinomas. <B>(Ko</B><B></B><B>rean J Endocrine Surg 2008;8:210-214)</B>
갑상선 수질암의 측경부 림프절 절제술 후에 발생한 외상성 신경종
김국진,홍순원<SUP>1<.SUP>,김법우,강상욱,이용상,남기현,정웅윤,장항석,박정수,Kuk Jin Kim,Soon Won Hong,<SUP>1<.SUP>,Bub Woo Kim,Sang Wook Kang,Yong Sang Lee,Kee-Hyun Nam,Woong Youn Chung,Hang Seok Chang,and Cheong Soo Park 대한갑상선-내분비외과학회 2009 The Koreran journal of Endocrine Surgery Vol.9 No.2