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Lymph node metastasis in early gastric cancer with submucosal invasion:Feasibility of minimally invasive surgery

World Journal of Gastroenterology 2004年第24期10卷 3549-3552页

作者： Do-joong Park Hyeon-Kook lee Hyuk-Joon lee Hye-Seunglee Woo-HoKim Han-Kwang Yang Kuhn-Uklee Kuk-JinChoe Department of Surgery and Cancer Research Institute Seoul-National University College of MedicineSeoul 110-744Korea Department of Surgery Ewha Woman's University College of MedicineSeoulKorea Department of Pathology Seoul National University College of MedicineSeoulKorea Department of Surgery and Cancer Research Institute Seoul National University College of MedicineSeoul 110-744Korea Department of Surgery Seoul National University College of MedicineSeoulKorea

AIM:To explore the feasibility of pertorming minimally invasive surgery(MIS)on subsets of submucosal gastric cancers that are unlikely to have regional lymph node metastasis. METHODS:A total of 105 patients underwent radical gastrectomy with lymph node dissection for submucosal gastric cancer at our hospital from January 1995 to December *** investigating many clinicopathological features such as tumor size,gross appearance,and differentiation, we measured the depth of invasion into submucosa minutely and analyzed the clinicopathologic features of these patients regarding lymph node metastasis. RESULTS:The rate of lymph node metastasis in cases where the depth of invasion was2 000 μm was 9%(2/23),19%(7136),and 33%(15/46), respectively(P4 cm vs≤2 cm,odds ratio=4.80, P=0.04)and depth of invasion(>2 000 μm vs ≤500 μm, odds ratio=6.81,P=0.02)were significantly correlated with lymph node *** the depth and size in cases where the depth of invasion was less than 500 μm, we found that lymph node metastasis occurred where the tumor size was greater than 4 *** cases where the tumor size was less than 2 cm,lymph node metastasis was found only where the depth of tumor invasion was more than 2 000 μm. CONCLUSION:MIS can be applied to submucosal gastric cancer that is less than 2 cm in size and 500 μm in depth.

关键词： Surgical Procedures, Minimally Invasive Adult Aged Early Diagnosis Feasibility Studies Female Gastrectomy Gastric Mucosa Humans Logistic Models Lymph Node Excision Lymphatic Metastasis Male Middle Aged Stomach Neoplasms

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Tc-99m ciprofloxacin imaging in acute cholecystitis

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World Journal of Gastroenterology 2007年第23期13卷 3249-3252页

作者： Yun-Mee Choe Wonsick Choe Keon-Young lee Seung-Ik Ahn Kwang Kim Young Up Cho Sun Keun Choi Yoon-Seok Hur Sei-joong Kim kee-Chun Hong Seok-Hwan Shin Kyung-Rae Kim Ze- Hong Woo Department of Surgery Inha University Hospital Incheon South Korea Department of Nuclear Medicine Gachon Medical School Incheon South Korea

AIM: To evaluate the eff icacy of a new nuclear imaging Infecton (Tc-99m ciprofloxacin) for the diagnosis of acute cholecystitis. METHODS: Sixteen patients thought to have acute cholecystitis were included in this study. The diagnosis of acute cholecystitis was made based on clinical symptoms and ultrasonographic and pathologic f indings. RESULTS: The 16 patients were composed of 12 acute and 4 chronic cholecystitis patients. Twelve patients with acute cholecystitis were image-positive, including one false-positive. Four patients with chronic cholecystitis were image-negative, of whom three were true-negative. This nuclear imaging had a sensitivity of 91.7%, a specificity of 75%, a positive-predictive value of 91.7%, and a negative-predictive value of 75%. CONCLUSION: Tc-99m ciprofloxacin imaging is easy to perform and applicable for the diagnosis of acute cholecystitis.

关键词： Acute cholecystitis Diagnosis Tc-99m ciprofloxacin nuclear imaging

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Long-term outcomes of endoscopic submucosal dissection and surgery for undifferentiated intramucosal gastric cancer regardless of size

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World Journal of Gastroenterology 2022年第8期28卷 840-852页

作者： Gil Ho lee Eunyoung lee Bumhee Park Jin Roh Sun Gyo Lim Sung Jae Shin kee Myung lee Choong-Kyun Noh Department of Gastroenterology Ajou University School of MedicineSuwon 16499South Korea Department of Biomedical Informatics Ajou University School of MedicineSuwon 16499South Korea Department of Pathology Ajou University School of MedicineSuwon 16499South Korea

BACKGROUND The clinical outcomes of endoscopic submucosal dissection(ESD)for undifferentiated(UD)intramucosal early gastric cancer(EGC)compared with those of surgery,regardless of lesion size,are not well ***,there is a concern regarding the treatment plan before and after ESD in cases of UD intramucosal EGC within expanded *** To evaluate clinical outcomes of ESD compared with those of surgery in UD intramucosal EGC patients regardless of tumor *** We enrolled patients with UD intramucosal EGC after ESD with complete resection or surgery from January 2005 to August 2020 who met the within or beyond expanded indications with lesion size>2 cm(the only non-curative factor).Overall,123 and 562 patients underwent ESD and surgery,*** propensity-score matching,clinical and long-term outcomes,i.e.,recurrencefree survival(RFS)and overall survival(OS),were *** multivariable Cox proportional hazard model with treatment modality and ESD indication was used to evaluate the recurrence *** After matching,119 patients each were finally enrolled in the ESD and surgery *** median length of hospital stay was shorter in the ESD group than surgery group(4.0 vs 9.0 days,P<0.001).Four cases of recurrence after ESD were local recurrences,all of which occurred within 1 *** recurrence was seven(5.9%)and two(1.7%)in the ESD and surgery groups,*** difference was observed between the two groups with respect to OS(P=0.948).However,the ESD group had inferior RFS compared with the surgery group(P=0.031).ESD was associated with the risk of recurrence after initial treatment in all enrolled patients(hazard ratio,5.2;95%confidence interval:1.0-25.8,P=0.045).CONCLUSION Although OS was similar between the two groups,surveillance endoscopy was important for the ESD than for the surgery group because RFS was inferior and local recurrence was an issue.

关键词： Early gastric cancer Undifferentiated cancer Expanded indication Endoscopic submucosal dissection Surgery

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Vaporization reduction characteristics of aqueous ammonia solutions by the addition of ethylene glycol, glycerol and glycine to the CO_2 absorption process

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Journal of Environmental Sciences 2012年第3期24卷 494-498页

作者： Jong-Beom Seo Soo-Bin Jeon Je-Young Kim Gang-Woo lee Jong-Hyeon Jung Kwang-joong Oh Department of Environmental Engineering Pusan National University Busan 609735 Korea. Research Institute of Industrial Science & Technology Pohang 790330 Korea Research & Development Institute of Yoosung Co. Ltd. Ulsan 680070 Korea Faculty of Health Science Daegu Haany University Daegu 712715 Korea

Aqueous ammonia （NH3） solution can be used as an alternative absorption for the control of CO2 emitted from flue gases due to its high absorption capacity, fast absorption rate and low corrosion problem. The emission of CO2 from iron and steel plants requires much attention, as they are higher than those emitted from power plants at a single point source. In the present work, low concentration ammonia liquor, 9 wt.%, was used with various additives to obtain the kinetic properties using the blast furnace gas model. Although a solution with a high ammonia concentration enables high CO2 absorption efficiency, ammonium ions are lost as ammonia vapor, resulting in reduced CO2 absorption due to the lower concentration of the ammonia absorbent. To decrease the vaporization of ammonia, ethylene glycol, glycerol and glycine, which contain more than one hydroxyl radical, were chosen. The experiments were conducted at 313 K similar to the CO2 absorption conditions for the blast furnace gas model.

关键词： ammonia vaporization blast furnace gas ethylene glycol glycerol glycine

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Multi-omics analysis reveals the neuroprotective effect of Atractylodis Rhizoma Alba extract against Parkinson's disease in mouse

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Journal of Traditional Chinese Medicine 2024年第6期44卷 1111-1117页

作者： KANG Sohi lee Soong-In MOON Byeong Cheol SONG Jun Ho KIM Sung-Ho MOON Changjong lee Sueun KIM Chul KIM joong Sun Department of Anatomy and Convergence Medical Science College of MedicineInstitute of Health SciencesGyeongsang National UniversityJinju 52727Republic of Korea College of Veterinary Medicine and BK21 FOUR Program Chonnam National UniversityGwangju 61186Republic of Kore Department of Oriental Medicine Prescription College of Oriental MedicineDong-Shin UniversityGwangju 61186Republic of Kore Herbal Medicine Resources Research Center Korea Institute of Oriental Medicine111GeonjaeroNaju-siJeollanam-do 58245Republic of Korea Department of Biology Chungbuk National UniversityCheongju 28644Republic of Korea KM Data Division Korea Institute of Oriental Medicine1672 Yuseong-daeroYuseong-guDaejeon 34054Republic of Korea

OBJECTIVE: To assess Atractylodis Rhizoma Alba extract(ARE) neuroprotective function in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine(MPTP)-treated mice and related genes. METHODS: Examined m RNA-DNA methylation changes induced by ARE in MPTP-induced Parkinson's disease(PD) model's substantia nigra. RESULTS: ARE mitigated MPTP-induced motor impairment in rotarod and open field tests and preserved tyrosine hydroxylase-positive neuronal cells in substantia nigra and striatum. Genome RNA-Sequencing and Methyl-Sequencing in substantia nigra of vehicle/ARE-treated MPTP-induced PD mice showed 84 differentially expressed genes(DEGs) and 1804 differentially methylated regions(DMRs). Upregulated genes involved zinc ion homeostasis, cilium protein localization, and transcription;downregulated genes linked to ephrin receptor signaling, somitogenesis, and gene expression regulation. Hyper/hypomethylated DMRs post-ARE treatment associated with Wnt signaling, mitochondrial organization, dopamine biosynthesis, and hindbrain development. No significant correlation between DEGs and methylated genes related to PD pathogenesis. CONCLUSION: This research has identified the epigenetic targets of ARE's therapeutic action and gives insight on how ARE protects neurons in Parkinson's disease.

关键词： Parkinson disease nerve degeneration 1-methyl-4-phenyl-1 2 3 6-tetrahydropyridine Atractylodis Rhizoma Alba Methyl-seq

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Identifying the relationships between subsurface absorber defects and the characteristics of kesterite solar cells

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Carbon Energy 2023年第8期5卷 42-54页

作者： Dae-Ho Son Dong-Hwan Jeon Dae-Hwan Kim Jin-Kyu Kang Shi-Joon Sung Jaebaek lee Taeseon lee Enkhjargal Enkhbayar JunHo Kim kee-Jeong Yang Division of Energy Technology DGISTDaeguRepublic of Korea Research Center for Thin Film Solar Cells DGISTDaeguRepublic of Korea Department of Physics Incheon National UniversityIncheonRepublic of Korea

Understanding the defect characteristics that occur near the space-charge regions(SCRs)of kesterite(CZTSSe)solar cells is important because the recombination loss at the CZTSSe/CdS interface is considered the main cause of their low *** surfaces with different elemental compositions were formed without polishing(C00)and with polishing for 20 s(C20)and 60 s(C60).For C60,a specific region near the SCR was excessively Cu-rich and Zn-poor compared to C00 and *** charged defects formed where the elemental variation was *** the main deep acceptor defect energy level(E_(a2))near the SCR increased,the efficiency,open-circuit voltage deficit,and current density degraded,and this phenomenon was especially rapid for large E_(a2) *** the E_(a2) near the SCR became deep,the carrier diffusion length decreased more for the CZTSSe solar cells with a low carrier mobility than for the CuInGaSe_(2)(CIGSe)solar *** large amplitude of the electrostatic potential fluctuation in the CZTSSe solar cells induced a high carrier recombination and a short carrier ***,the properties of the CZTSSe solar cells were more strongly degraded by defects with deep energy levels near the SCR than those of the CIGSe solar cells.

关键词： defect density defect energy level elemental variation kesterite space charge region

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Malignant mesothelioma of the greater omentum mimicking omental infarction:A case report

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World Journal of Gastroenterology 2009年第38期15卷 4856-4859页

作者： Min-kee Shin Ok-Jae lee Chang-Yoon Ha Hyun-Joo Min Tae-Hyo Kim Department of Internal Medicine & Institute of Health Science Gyeongsang National University School of Medicine

Mesothelioma develops most commonly in the pleura, and less frequently in the peritoneum. Usually, it manifests as diffuse peritoneal thickening and multiple nodules, and rarely as a solitary mass. We report a rare case of primary malignant mesothelioma of the greater omentum, which mimicked omental infarct. A 54-year-old Korean man was admitted because of severe abdominal pain of sudden onset. A tender mass with indistinct margins was palpated in the upper abdomen. Abdominal ultrasound and computed tomography showed an ill- def ined mass in the greater omentum and little ascites in the peri-hepatic space, and neutrophil-dominant exudates were documented on paracentesis. Intravenous antibiotics and analgesics were given for omental infarction with superimposed infection, which resulted in symptomatic improvement. The imaging studies after a week revealed a growing mass and ascites. Laparoscopic surgery was performed and an 8 cm×3.3 cm greater omental mass was found, with multiple small nodules on the peritoneum, diaphragm, and pelvic cavity wall. Histological examination showed proliferating malignant epithelioid cells that stained strongly for calretinin, which was compatible with malignant mesothelioma. We recommend that primary omental mesothelioma should be included in the differential diagnosis of patients with omental infarction, despite its rarity.

关键词： Infarction Mesothelioma, Omentum

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Physically active primary care physicians consult more on physical activity and exercise for patients: A public teaching-hospital study

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Sports Medicine and Health Science 2024年第1期6卷 82-88页

作者： Ann kee lee Rosediani Bt Muhamad Vina Phei Sean Tan Exercise&Sports Science School of Health SciencesHealth CampusUniversiti Sains Malaysia16150Kubang KerianMalaysia Department of Family Medicine School of Medical SciencesHealth CampusUniversiti Sains Malaysia16150Kubang KerianMalaysia

Physical activity and exercise(PAE)improve quality of life and reduce the effects of chronic *** care physicians(PCPs)play an important role to encourage PAE in *** aim to assess PCPs'current PAE consultation practices and their enablers/barriers in daily clinical *** had 64 PCPs(age[35.3±4.7]y,47 women)that completed self-administered questionnaires on PAE consultation practices,training,and confidence ***(n=42)also completed the International Physical Activity Questionnaire-Short Form to assess their physical activity(PA)*** conducted correlation,one-way analysis of variance and a linear regression to assess the associations between enablers,barriers and PA levels to PAE consultation *** average,PCPs consulted on PAE in 49.7%of their daily clinical *** of PCPs(70%)strongly agreed that more PAE knowledge were needed to increase consultation *** three barriers related(p<0.001)to practices were lack of PAE education(r=0.47),patients’preference of pharmaceutical interventions(r=0.45)and lack of continuing education in PAE for PCPs(r=0.37).Physically active PCPs(health-enhancing PA levels,n=6)gave significantly more daily consultations in PAE,73.2%±21.9%,compared to inactive PCPs(n=13),37.4%22.8%(p=0.013).In our regression output,PCPs who had higher PA levels consulted more on PAE daily(R^(2)=0.38,p<0.001)while controlling for ***,PCPs require more knowledge on PAE and need be physically active themselves to increase PAE consultation for patients in their daily *** education should consider including more PA and exercise topics that may benefit both physicians and their patients.

关键词： Physical activity and exercise Primary care physicians Consultations Exercise prescription Medicine

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Comparison of cytological and histological preparations in the diagnosis of pancreatic malignancies using endoscopic ultrasoundguided fine needle aspiration

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Hepatobiliary & Pancreatic Diseases International 2017年第4期16卷 418-423页

作者： Dong kee Jang Sang Hyub lee Jun Kyu lee Woo Hyun Paik Kwang Hyun Chung Ban Seok lee Jun Hyuk Son Jae Woo lee Ji Kon Ryu Yong-Tae Kim Kyoung-Bun lee Department of Internal Medicine Dongguk University Ilsan Medical CenterGoyang-siGyeonggi-doKorea Department of Internal Medicine and Liver Research Institute Seoul National University HospitalSeoul National University College of MedicineSeoulKorea Department of Internal Medicine Inje University Ilsan Paik HospitalGoyang-siGyeonggi-doKorea Department of Pathology Seoul National University College of MedicineSeoulKorea

BACKGROUND:Endoscopic ultrasound-guided fine needle aspiration(EUS-FNA) has become a crucial diagnostic technique for pancreatic *** specimen obtained by EUS-FNA can be prepared for either cytological or histological *** study was to compare diagnostic performance of cytological and histological preparations using EUSFNA in the same lesions when pancreatic malignancies were ***:One hundred and eighteen patients who underwent EUS-FNA for suspected pancreatic malignancies were consecutively *** procedures were conducted by a single echoendoscopist under the same *** adequate preparations were obtained by 22-gauge needles with 20 to-and-fro movements for each *** 4 preparations included 2 cytological and 2 histological *** pathologic reviews of all specimens were conducted independently by a single experienced ***,specificity,and accuracy of the 2 preparations were ***:The enrolled patients consisted of 62 males(52.5%),with the mean age of 64.6±10.5 *** was performed in 23(19.5%) *** hundred and sixteen(98.3%) lesions were classified as malignant,while 2(1.7%) were *** of cytology and histology were 87.9% and 81.9%,respectively,with no significant difference(P=0.190).Accuracy was also not significantly *** preparation was more sensitive when the size of lesion was <3 cm(86.7% vs 68.9%,P=0.033).CONCLUSIONS:Our results suggested that the diagnostic performances of cytological and histological preparations are not significantly different for the diagnosis of pancreatic ***,cytological preparation might be more sensitive for pancreatic lesions <3 cm.

关键词： endoscopic ultrasound-guided fine needle aspiration pancreatic neoplasms cytology pathology histology

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Direct acetylation of a conserved threonine of RIN4 by the bacterial effector HopZ5 or AvrBsT activates RPM1-dependent immunity in Arabidopsis

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Molecular Plant 2021年第11期14卷 1951-1960页

作者： Arabidopsis Sera Choi Maxim Prokchorchik Hyeonjung lee Ravi Gupta Yoonyoung lee Eui-Hwan Chung Buhyeon Cho Min-Sung Kim Sun Tae Kim kee Hoon Sohn Department of Life Sciences Pohang University of Science and TechnologyPohang 37673Republic of Korea School of Interdisciplinary Bioscience and Bioengineering Pohang University of Science and TechnologyPohang 37673Republic of Korea Department of Plant Bioscience Life and Industry Convergence Research InstitutePusan National UniversityMiryang 50463Republic of Korea Department of Botany School of Chemical and Life SciencesJamia HamdardHamdard NagarNew Delhi 110062India Division of Biotechnology Korea UniversitySeoul 02841Republic of Korea The Institute of Crop Science and Resource Conservation(INRES) University of BonnNussallee 953115 BonnGermany

Plant pathogenic bacteria deliver effectors into plant cells to suppress immunity and promote pathogen survival;however, these effectors can be recognised by plant disease resistance (R) proteins to activate innate immunity. The bacterial acetyltransferase effectors HopZ5 and AvrBsT trigger immunity in Arabidopsis thaliana genotypes lacking SUPPRESSOR OF AVRBST-ELICITED RESISTANCE 1 (SOBER1). Using an Arabidopsis accession, Tscha-1, that naturally lacks functional SOBER1 but is unable to recognise HopZ5, we demonstrate that RESISTANCE TO P. SYRINGAE PV MACULICOLA 1 (RPM1) and RPM1-INTERACTING PROTEIN 4 (RIN4) are indispensable for HopZ5- or AvrBsT-triggered immunity. Remarkably, T166 of RIN4, the phosphorylation of which is induced by AvrB and AvrRpm1, was directly acetylated by HopZ5 and AvrBsT. Furthermore, we demonstrate that the acetylation of RIN4 T166 is required and sufficient for HopZ5- or AvrBsT-triggered RPM1-dependent defence activation. Finally, we show that SOBER1 interferes with HopZ5- or AvrBsT-triggered immunity by deacetylating RIN4 T166. We have thus elucidated detailed molecular mechanisms underlying the activation and suppression of plant innate immunity triggered by two bacterial acetyltransferases, HopZ5 and AvrBsT from different bacterial pathogens.

关键词： Acetyltransferase effectors Effector-triggered immunity Immunity suppressors NLR Plant deacetylase Plant immunity

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