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Single port laparoscopic right hemicolectomy with D3 dissection for advanced colon cancer

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World Journal of Gastroenterology 2010年第2期16卷 275-278页

作者： Sung Il Choi Kil Yeon lee Sun Jin Park suk-hwan lee Department of Surgery School of MedicineKyung Hee University#1 Hoegi-dong Dongdaemun-guSeoul 130-702 South Korea

We report the first case of single port laparoscopic right hemicolectomy for advanced colon *** abdominal 3 cm length incision was made via the umbilicus.A small wound retractor and a surgical glove were used as a single *** soft tissue anterior to the superior mesenteric vein was completely removed and D3 lymph node dissection was *** total operative time was 180 min with minimal blood loss (<50 mL).The size of the tumor was 5 cm×3 cm and its tumor stage was ***-nine lymph nodes were harvested and none were *** believe that single port surgery for colon cancer is a feasible and safe procedure with surgical results comparable to conventional laparoscopic procedures.

关键词： Single port laparoscopic surgery Colon cancer D3 lymph node dissection

Septic thrombophlebitis of the porto-mesenteric veins as a complication of acute appendicitis

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World Journal of Gastroenterology 2008年第28期14卷 4580-4582页

作者： Yeon Soo Chang Sun Young Min Sun Hyung Joo suk- hwan lee Department of Surgery Kyung Hee University College of MedicineSeoul 134-727South Korea

Pylephlebitis, a rare complication of acute appendicitis, is defined as thrombophlebitis of the portal venous system. Pylephlebitis usually occurs due to secondary infection in the region drained into the portal system. We report a case of pylephlebitis caused by acute appendicitis. The patient was transferred from a private clinic 1 wk after appendectomy with the chief complaints of high fever and abdominal pain. He was diagnosed with pylephlebitis of the portal vein and superior mesenteric vein by CT-scan. The patient was treated with antibiotics and anticoagulation therapy, and discharged on the 25th day and follow-up CT scan showed a cavernous transformation of portal thrombosis.

关键词： Acute appendicitis Pylephlebitis Antibiotics Anti-coagulation therapy

International consensus on natural orifice specimen extraction surgery(NOSES)for colorectal cancer

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Gastroenterology Report 2019年第1期7卷 24-31,I0001页

作者： Xu Guan Zheng Liu Antonio Longo Jian-Chun Cai William Tzu-Liang Chen Lu-Chuan Chen Ho-Kyung Chun Joaquim Manuel da Costa Pereira Sergey Efetov Ricardo Escalante Qing-Si He Jun-Hong Hu Cuneyt Kayaalp Seon-Hahn Kim Jim S.Khan Li-Jen Kuo Atsushi Nishimura Fernanda Nogueira Junji Okuda Avanish Saklani Ali A.Shafik Ming-Yin Shen Jung-Tack Son Jun-Min Song Dong-Hui Sun Keisuke Uehara Gui-Yu Wang Ye Wei Zhi-Guo Xiong Hong-Liang Yao Gang Yu Shao-Jun Yu Hai-Tao Zhou suk-hwan lee Petr V.Tsarkov Chuan-Gang Fu Xi-Shan Wang The International Alliance of NOSES Department of Colorectal Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBejingChina Department of Coloproctology and Pelvic Diseases Humanitas GavazzeniBergamoItaly Department of Gastrointestinal Surgery Zhongshan Hospital of Xiamen UniversityXiamenChina Department of Surgery China Medical University HospitalTaichungTaiwanChina Department of Abdominal Surgery Fujian Medical University Cancer HospitalFuzhouChina Department of Surgery Kangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulSouth Korea Department of Surgery Hospital de BragaBragaPortugal Colorectal Surgery Department Sechenov First Moscow State Medical UniversityMoscowRussia Universidad Central de Venezuela Centro Medico LoiraCaracasVenezuela Department of General Surgery Shandong University Qilu HospitalJinanChina Department of General Surgery Huaihe Hospital of Henan UniversityKaifengChina Department of Gastrointestinal Surgery Inonu UniversityMalatyaTurkey Department of Surgery Korea University Anam HospitalKorea University College of MedicineSeoulSouth Korea Department of Colorectal Surgery Portsmouth Hospitals NHS TrustQueen Alexandra HospitalPortsmouthUK Division of Colorectal Surgery Taipei Medical University HospitalTaipeiTaiwanChina Department of Surgery Nagaka Chuo General HospitalNagaoka CityJapan Innovation Unit/Colorectal Cancer Osaka Medical College Hospital Cancer CenterOsakaJapan Department of GI Surgical Oncology Tata Memorial HospitalMumbaiIndia Department of Colorectal Surgery Cairo UniversityCairoEgypt Department of Anorectal Surgery First Affiliated HospitalZhengzhou UniversityZhengzhouChina Department of Gastric and Colorectal Surgery Jilin University First HospitalChangchunChina Division of Surgical Oncology Nagoya University Graduate School of MedicineNagoyaJapan Department of Colorectal Cancer Surgery The Second Affiliated Hospital of Harbin Medical

In recent years,natural orifice specimen extraction surgery(NOSES)in the treatment of colorectal cancer has attracted widespread *** potential benefits of NOSES including reduction in postoperative pain and wound complications,less use of postoperative analgesic,faster recovery of bowel function,shorter length of hospital stay,better cosmetic and psychological effect have been described in colorectal *** significant decrease in surgical trauma of NOSES have been observed,the potential pitfalls of this technique have been ***,several issues including bacteriological concerns,oncological outcomes and patient selection are raised with this new ***,it is urgent and necessary to reach a consensus as an industry guideline to standardize the implementation of NOSES in colorectal *** three rounds of discussion by all members of the International Alliance of NOSES,the consensus is finally completed,which is also of great significance to the long-term progress of NOSES worldwide.

关键词： colorectal cancer natural orifice specimen extraction surgery(NOSES) laparoscopy natural orifice transluminal endoscopic surgery(NOTES) transanal total mesorectal excision(TaTME)

International consensus on natural orifice specimen extraction surgery(NOSES)for gastric cancer(2019)

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Gastroenterology Report 2020年第1期8卷 5-10,I0001页

作者： Xu Guan Zheng Liu Amjad Parvaiz Antonio Longo Avanish Saklani Ali AShafik Jian-Chun Cai Charles Ternent Lin Chen Cuneyt Kayaalp Fatih Sumer Fernanda Nogueira Feng Gao Fang-Hai Han Qing-Si He Ho-Kyung Chun Chang-Ming Huang Hai-Yang Huang Rui Huang Zhi-Wei Jiang Jim S Khan Joaquim Manuel da Costa Pereira JosephWNunoo-Mensah Jung Tack Son Liang Kang Keisuke Uehara Ping Lan Le-Ping Li Han Liang Bing-Rong Liu Juan Liu Dan Ma Ming-Yin Shen Mohammad Rashidul Islam Narimantas Evaldas Samalavicius Kai Pan Petr Tsarkov Xin-Yu Qin Ricardo Escalante Sergey Efetov Seung Kyu Jeong suk-hwan lee Dong-Hui Sun Li Sun Tatiana Garmanova Yan-Tao Tian Gui-Yu Wang Guo-Jun Wang Guo-Rong Wang Xiao-Qiang Wang William Tzu-Liang Chen Woo Yong lee Su Yan Zu-Li Yang Gang Yu Pei-Wu Yu Dan Zhao Yun-Shi Zhong Jian-Ping Wang Xi-Shan Wang The International Alliance of NOSES Department of Colorectal Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP.R.China Poole Hospital NHS Trust PooleUK European Center of Coloproctology and Pelvic Diseases-Multimedica Hospital MilanItaly Department of GI Surgical Oncology Tata Memorial HospitalMumbaiIndia Department of Colorectal Surgery Cairo UniversityCairoEgypt Department of Gastrointestinal Surgery Zhongshan Hospital of Xiamen UniversityXiamenFujianP.R.China Section of Colon and Rectal Surgery Creighton University School of MedicineOmahaNEUSA Department of General Surgery Chinese People’s Liberation Army General HospitalBeijingP.R.China Department of Gastrointestinal Surgery Inonu UniversityMalatyaTurkey Department of Surgery Hospital de BragaBragaPortugal Department of Colorectal Cancer Surgery the Second Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangP.R.China Department of Gastroenterological Surgery Sun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhouGuangdongP.R.China Department of General Surgery Shandong University Qilu HospitalJinanShandongP.R.China Department of Surgery Kangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulSouth Korea Department of Gastric Surgery Fujian Medical University Union HospitalFuzhouFujianP.R.China Department of General Surgery Jiangsu Province Hospital of Traditional Chinese MedicineNanjingJiangsuP.R.China Department of Colorectal Surgery PortsmouthHospitals NHSTrustQueen Alexandra HospitalPortsmouthUK King’s College Hospital LondonUK Department of Colorectal Surgery The Sixth Affiliated Hospital of Sun Yat-sen UniversityGuangzhouGuangdongP.R.China Division of Surgical Oncology Department of SurgeryNagoya University School of MedicineNagoyaJapan Department of Gastrointestinal Surgery Shandong Provincial Hospital Affiliated to Shandong UniversityJinanShandongP.R.China Department of Gastric Cancer

At present,natural orifice specimen extraction surgery(NOSES)has attracted more and more attention worldwide,because of its great advantages including minimal cutaneous trauma and post-operative pain,fast post-operative recovery,short hospital stay,and positive psychological ***,NOSES for the treatment of gastric cancer(GC)is still in its infancy,and there is great potential to improve its theoretical system and clinical ***,several key points including oncological outcomes,bacteriological concerns,indication selection,and standardized surgical procedures are raised with this innovative ***,it is necessary to achieve an international consensus to regulate the implementation of GC-NOSES,which is of great significance for healthy and orderly development of NOSES worldwide.

关键词： gastric cancer natural orifice specimen extraction surgery transanal specimen extraction transvaginal specimen extraction transoral specimen extraction consensus

Characteristics of damaged layer in micro-machining of copper material

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中国有色金属学会会刊：英文版 2009年第B9期19卷 295-300页

作者： Dong-Hee KWON Jeong-suk KIM Myung-Chang KANG Se-Hun KWON Jong-hwan lee School of Mechanical Engineering Pusan National University National Core Research Center for Hybrid Materials Solution Pusan National University Department of Mechatronics Busan College of Korea Polytechnic Ⅶ

The study on damaged layer is necessary for improving the machinability in micro-machining because the damaged layer affects the micro mold life and micro machine parts. This study examined the ultra-precision micro-machining characteristics, such as cutting speed, feed rate and cutting depth, of a micro-damaged layer produced by an ultra-high speed air turbine spindle. The micro cutting force, surface roughness and plastic deformation layer were investigated according to the machining conditions. The damaged layer was measured using optical microscope on samples prepared through metallographic techniques. The scale of the damaged layer depends on the cutting process parameters, particularly, the feed per tooth and axial depth of the cut. According to the experimental results, the depth of the damaged layer is increased by increasing the feed per tooth and cutting depth, also the damaged layer occurs less in down-milling compared with up-milling during the micro-machining operation.

关键词：机械加工性微观特征损伤层铜材样品制备技术微型机器切削速度切削深度

Rice ONAC016 promotes leaf senescence through abscisic acid signaling pathway involving OsNAP

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The Crop Journal 2024年第3期12卷 709-720页

作者： Eunji Gi Sung-hwan Cho suk-hwan Kim Kiyoon Kang Nam-Chon Paek Department of Agriculture Forestry and BioresourcesPlant Genomics and Breeding InstituteResearch Institute of Agriculture and Life SciencesSeoul National UniversitySeoul 08826Republic of Korea Division of Life Sciences Incheon National UniversityIncheon 22012Republic of Korea

Senescence-induced NAC(senNAC)TFs play a crucial role in senescence during the final stage of leaf *** this study,we identified a rice senNAC,ONAC016,which functions as a positive regulator of leaf *** expression of ONAC016 increased rapidly in rice leaves during the progression of dark-induced and natural *** onac016-1 knockout mutant showed a delayed leaf yellowing phenotype,whereas the overexpression of ONAC016 accelerated leaf ***,ONAC016 expression was upregulated by abscisic acid(ABA),and thus detached leaves of the onac016-1 mutant remained green much longer under ABA *** RT-PCR analysis showed that ONAC016 upregulates the genes associated with chlorophyll degradation,senescence,and ABA *** one-hybrid and dual-luciferase assays revealed that ONAC016 binds directly to the promoter regions of OsNAP,a key gene involved in chlorophyll degradation and ABA-induced *** together,these results suggest that ONAC016 plays an important role in promoting leaf senescence through the ABA signaling pathway involving OsNAP.

关键词： Rice ONAC016 OsNAP Leaf senescence Abscisic acid signaling

Influence of the h TERT rs2736100 polymorphism on telomere length in gastric cancer

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World Journal of Gastroenterology 2015年第31期21卷 9328-9336页

作者： Byung Joon Choi Jung hwan Yoon Olga Kim Won suk Choi suk Woo Nam Jung Young lee Won Sang Park Department of Pediatrics College of MedicineThe Catholic University of Korea Department of Pathology College of MedicineThe Catholic University of Korea Functional Rnomics Research Center College of MedicineThe Catholic University of Korea

AIM: To investigate the functional consequences of rs2736100 polymorphism in telomere length and examine its link to gastric cancer ***: Telomere length and human telomerase reverse transcriptase(h TERT) m RNA expression were measured in 35 gastric cancer tissues and 5 cell lines and correlated to rs2736100 polymorphism. The relationship between rs2736100 polymorphism and the risk of gastric cancer were examined in 243 gastric cancer patients and 246 healthy ***: The rs2736100 A allele carrier is closely associated with reduced h TERT m RNA expression and shortened telomere length in gastric cancer tissue and cell lines. When gastric cancers were stratified by histological subtype,telomere length and h TERT m RNA levels were significantly increased in those with the C/C genotype in intestinal-type gastric cancer,but not in diffuse-type gastric cancer. Interestingly,there was no significant difference in the genotype and allele frequencies of the rs2736100 polymorphism between the patients with gastric cancer and healthy ***: The rs2736100 polymorphism of the h TERT gene is involved in the regulation of h TERT expression and telomere length,but not in the risk of gastric cancer.

关键词： Human telomerase reverse transcriptase Telomere Ga

Map-based control method for vehicle stability enhancement

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Journal of Central South University 2015年第1期22卷 114-120页

作者： Moon-Young Yoon Seung-hwan Baek Kwang-suk Boo Heung-Seob Kim Graduate school of Mechanical Engineering Inje University 607 High Safety Vehicle Core Technology Research Center Inje University 607

This work proposes a map-based control method to improve a vehicle's lateral stability, and the performance of the proposed method is compared with that of the conventional model-referenced control method. Model-referenced control uses the sliding mode method to determine the compensated yaw moment; in contrast, the proposed map-based control uses the compensated yaw moment map acquired by vehicle stability analysis. The vehicle stability region is calculated by a topological method based on the trajectory reversal method. A 2-DOF vehicle model and Pacejka's tire model are used to evaluate the proposed map-based control method. The properties of model-referenced control and map-based control are compared under various road conditions and driving inputs. Model-referenced control uses a control input to satisfy the linear reference model, and it generates unnecessary tire lateral forces that may lead to worse performance than an uncontrolled vehicle with step steering input on a road with a low friction coefficient. However, map-based control determines a compensated yaw moment to maintain the vehicle within the stability region,so the typical responses of vehicle enable to converge rapidly. The simulation results with sine and step steering show that map-based control provides better the tracking responsibility and control performance than model-referenced control.

关键词： model-referenced control map-based control vehicle stability yaw moment

Paraaortic lymph node metastasis in patients with intra-abdominal malignancies:CT vs PET

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World Journal of Gastroenterology 2009年第35期15卷 4434-4438页

作者： Mi-Jung lee Mi Jin Yun Mi-suk Park Seung hwan Cha Myeong-Jin Kim Jong Doo lee Ki Whang Kim Department of Diagnostic Radiology Research Institute of Radiological Science and Institute ofGastroenterology Yonsei University College of Medicine 134Sincheon-Dong Seodaemun-Gu Seoul 120-752 South Korea Department of Nuclear medicine Yonsei University College of Medicine 134 Sincheon-Dong Seodaemun-Gu Seoul 120-752 South Korea Department of Diagnostic Radiology Yonsei University Wonju College of Medicine Wonju 220-701South Korea

AIM： To compare the diagnostic accuracy of computed tomography （CT） and positron emission tomography （PET） for the preoperative detection of paraaortic lymph node （PAN） metastasis in patients with intra- abdominal malignancies. METHODS： Sixty-six patients with intra-abdominal malignancies who underwent both CT and PET before lymphadenectomy were included in this study. Histopathologicaliy, 13 patients had metastatic PAN, while 53 had non-metastatic PAN. The CT criteria for metastasis were： short diameter ：）f 〉 8 mm, Iobular or irregular shape, and/or combined ancillary findings, including necrosis, conglomeration, vessel encasement, and infiltration. The PET criterion was positive fluorodeoxyglucose （FDG） uptake. The sensitivity, specificity, positive predictive value （PPV）, negative predictive value （NPV）, and accuracy of both modalities were compared with the pathologic findings, and the false positive and false negative cases with both CT and PET were ***： The sensitivity, specificity, PPV, NPV, and accuracy of CT were 61.5%, 84.9%, 50%, 90% and 80.3%, respectively. For PET, the percentages were 46.2%, 100%, 100%, 88.3%, and 89.4%. Additionally, there were 8 false positive CT cases （8/53, 15.1%） and zero false positive PET cases. Of the 13 metastatic PANs, there were 5 false negative CT scans （38.5%） and 7 （53.9%） false negative PET ***： For detecting PAN metastasis, CT is more sensitive than PET, while PET is more specific.

关键词： Malignancy Paraaortic lymph node Computed tomography Positron emission tomography Sensitivity Specificity