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Intramedullary spinal cord metastasis from pancreatic neuroendocrine tumor

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World Journal of Gastroenterology 2014年第38期20卷 14063-14067页

作者： Jung Ho Kim chang lim Hyun Sang Hoon Han Department of Internal Medicine Gachon University Gil Medical Center Department of Pathology Jeju National University School of Medicine Department of Internal Medicine Jeju National University School of Medicine

Intramedullary spinal cord metastasis(ISCM) is very rare and its optimal treatment remains controversial. Pancreatic neuroendocrine tumor(pNET) is a rare tumor that usually presents with hepatic metastasis. Hepatic failure due to tumor progression is the major cause of death in cases of pNET. To date,no report has described a case of ISCM from pNET. Although spinal cord metastasis of a solid tumor is uncommon,it is a critical condition that can cause a potentially irreversible loss of neurologic function. Here,we report the case of a 45-year-old man who presented with leg weakness and voiding difficulty,and was found to have ISCM from pNET. Surgical treatment prevented further neurological deterioration. This is the first case report of ISCM from pNET.

关键词： Intramedullary Spinal cord neoplasm Metastasis Neuroendocrine tumor Pancreas

GRU-based Buzzer Ensemble for Abnormal Detection in Industrial Control Systems

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Computers, Materials & Continua 2023年第1期74卷 1749-1763页

作者： Hyo-Seok Kim chang-Gyoon lim Sang-Joon Lee Yong-Min Kim Interdisciplinary Program of Information Security Chonnam National UniversityGwangju61186Korea Major in Computer Engineering Chonnam National UniversityYeosu59626Korea School of Business Administration Chonnam National UniversityGwangju61186Korea Department of Electronic Commerce Chonnam National UniversityYeosu59626Korea

Recently,Industrial Control Systems(ICSs)have been changing from a closed environment to an open environment because of the expansion of digital transformation,smart factories,and Industrial Internet of Things(IIoT).Since security accidents that occur in ICSs can cause national confusion and human casualties,research on detecting abnormalities by using normal operation data learning is being actively *** single technique proposed by existing studies does not detect abnormalities well or provide satisfactory *** this paper,we propose a GRU-based Buzzer Ensemble for AbnormalDetection(GBE-AD)model for detecting anomalies in industrial control systems to ensure rapid response and process *** newly proposed ensemble model of the buzzer method resolves False Negatives(FNs)by complementing the limited range that can be detected in a single model because of the internal models composing *** the internal models remain suppressed for False Positives(FPs),GBE-AD provides better *** addition,we generated mean prediction error data in GBE-AD and inferred abnormal processes using soft and hard *** confirmed that the detection model’s Time-series Aware Precision(TaP)suppressed FPs at 97.67%.The final performance was 94.04%in an experiment using anHIL-basedAugmented ICS(HAI)Security Dataset(ver.21.03)among public datasets.

关键词： Industrial control system abnormal detection ensemble learning HAI dataset

Double cystic duct without being aware of the anatomic anomaly during laparoscopic cholecystectomy: The first case of reverse Y type anomaly

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Hepatobiliary & Pancreatic Diseases International 2021年第2期20卷 201-202页

作者： Suhyun lim chang Hwan Kim Kwang Yeol Paik Wook Kim Department of Surgery Yeouido St.Mary’s HospitalCollege of MedicineThe Catholic University of Korea#1063-roYeongdeungpo-guSeoul 07345Korea

To the Editor:Variations in cystic duct anatomy are quite common,but double cystic ducts arising from one gallbladder is extremely rare,which have only been reported in less than 20 cases in literature[1–4].It is difficult to diagnose the anatomic anomaly preoperatively,and the rate of open conversion and post-operation complications were high due to ductal injury during surgery[2].

关键词： anatomy cystic gallbladder

Deep Learning for Multivariate Prediction of Building Energy Performance of Residential Buildings

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Computers, Materials & Continua 2023年第6期75卷 5947-5964页

作者： Ibrahim Aliyu Tai-Won Um Sang-Joon Lee chang Gyoon lim Jinsul Kim Department of ICT Convergence System Engineering Chonnam National UniversityGwangju61186Korea Graduate School of Data Science Chonnam National UniversityGwangju61186Korea Interdisciplinary Program of Digital Future Convergence Service Chonnam National UniversityGwangju61186Korea Department of Computer Engineering Chonnam National UniversityYeosu59626Korea

In the quest to minimize energy waste,the energy performance of buildings(EPB)has been a focus because building appliances,such as heating,ventilation,and air conditioning,consume the highest ***,effective design and planning for estimating heating load(HL)and cooling load(CL)for energy saving have become *** this vein,efforts have been made to predict the HL and CL using a univariate ***,this approach necessitates two models for learning HL and CL,requiring more computational ***,the one-dimensional(1D)convolutional neural network(CNN)has gained popularity due to its nominal computa-tional complexity,high performance,and low-cost hardware *** this paper,we formulate the prediction as a multivariate regression problem in which the HL and CL are simultaneously predicted using the 1D *** the building shape characteristics,one kernel size is adopted to create the receptive fields of the 1D CNN to extract the feature maps,a dense layer to interpret the maps,and an output layer with two neurons to predict the two real-valued responses,HL and *** the 1D data are not affected by excessive parameters,the pooling layer is not applied in this ***,the use of pooling has been questioned by recent *** performance of the proposed model displays a comparative advantage over existing models in terms of the mean squared error(MSE).Thus,the proposed model is effective for EPB prediction because it reduces computational time and significantly lowers the MSE.

关键词： Artificial intelligence(AI) convolutional neural network(CNN) cooling load deep learning energy energy load energy building performance heating load prediction

Metachronous squamous cell carcinoma of pancreas and stomach in an elderly female patient:A case report

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World Journal of Clinical Cases 2021年第31期9卷 9680-9685页

作者： Ji Hyun Kim chang Don Kang Kyungyul Lee Kyu-Hyoung lim Department of Internal Medicine Kangwon National University School of MedicineChuncheon 24341Kangwon DoSouth Korea Department of Pathology Kangwon National University School of MedicineChuncheon 24341Kangwon DoSouth Korea

BACKGROUND Squamous cell carcinoma(SCC)in pancreas and stomach is a rare histologic subtype with aggressive behavior,poor prognosis,and no standardized *** SCC or gastric SCC has been previously ***,case of SCC occurring in both the pancreas and the stomach has not been reported *** SUMMARY A 75-year-old female with prior history of hypertension and diabetes mellitus visited our hospital with complaint of abdominal pain that started three months *** tomography(CT)scan of the abdomen showed 3.3 cm mass at the distal *** received surgical resection which was histologically found to be SCC of the pancreas with clear resection *** she was discharged,she no longer visited the *** years later,she was referred to our hospital after showing abnormal findings on a gastroscopy performed at another *** revealed a single,2cm sized,ill-defined irregular flat and hyperemic mass at high *** finding of the mass was *** scan and positive emission tomography CT showed metastatic lesions to the liver and the *** received combination chemotherapy with capecitabine and ***,she passed away 6 mo after diagnosis of gastric *** To the best of our knowledge,this is the first case of metachronous SCC of stomach occurring after diagnosis of pancreatic SCC.

关键词： Squamous cell carcinoma Pancreas Stomach Metachronous Pancreatectomy Case report

Filiform polyposis in the sigmoid colon: A case series

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World Journal of Gastroenterology 2010年第19期16卷 2443-2447页

作者： chang Geun Lee Yun Jeong lim Jong Sun Choi Jin Ho Lee Department of Internal Medicine Dongguk University-Seoul Graduate School of Medicine Goyang 411-773 South Korea

Filiform polyposis is a rare condition of uncertain patho-genesis that is usually found in association with Crohn’s disease, ulcerative colitis, intestinal tuberculosis or histiocytosis X. We report seven interesting cases of polyposis with various pathologic components, mainly located in the left side of the colon with no associated inflammatory bowel disease, intestinal tuberculosis or histiocytosis X. Multiple finger-like polypoid lesions with the appearance of stalactites were noted on the left side of the colon, especially in the sigmoid area, at the time of colonoscopy. The polyps had a variety of sizes and shapes and were shown to have various histopathologic components among the different patients. Although filiform polyposis localized in the sigmoid colon appears not to have high oncogenic potential, periodic follow-up seems to be needed.

关键词： Filiform polyposis Sigmoid colon Inflammatory bowel disease

Down-scaled regional ocean modeling system (ROMS) for high-resolution coastal hydrodynamics in Korea

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Acta Oceanologica Sinica 2013年第9期32卷 50-61页

作者： lim Hak-Soo KIM chang S PARK Kwang-Soon SHIM Jae Seol CHUN Insik Korea Institute of Ocean Science and Technology Konkuk University

A down-scaled operational oceanographic system is developed for the coastal waters of Korea using a re- gional ocean modeling system （ROMS）. The operational oceanographic modeling system consists of at- mospheric and hydrodynamic models. The hydrodynamic model, ROMS, is coupled with wave, sediment transport, and water quality modules. The system forecasts the predicted results twice a day on a 72 h basis, including sea surface elevation, currents, temperature, salinity, storm surge height, and wave information for the coastal waters of Korea. The predicted results are exported to the web-GIS-based coastal informa- tion system for real-time dissemination to the public and validation with real-time monitoring data using visualization technologies. The ROMS is two-way coupled with a simulating waves nearshore model, SWAN, for the hydrodynamics and waves, nested with the meteorological model, WRE for the atmospheric surface forcing, and externally nested with the eutrophication model, CE-QUAL-ICM, for the water quality. The op- erational model, ROMS, was calibrated with the tidal surface observed with a tide-gage and verified with current data observed by bottom-mounted ADCP or AWAC near the coastal waters of Korea. To validate the predicted results, we used real-time monitoring data derived from remote buoy system, HF-radar, and geostationary ocean color imager （GOCI）. This down-scaled operational coastal forecasting system will be used as a part of the Korea operational oceanographic system （KOOS） with other operational oceanographic systems.

关键词： down-scaled operational oceanographic system regional ocean modeling system wave coupledmodel real-time monitoring system

PEMFC Application in a Gliding Arc Plasam-Catalysis Reforming System using Biogas

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Energy and Power Engineering 2011年第2期3卷 158-166页

作者： Mun sup lim Young Nam Chun 不详

In this study, bio-waste gas is converted to sustainable hydrogen energy in good quality and low pollution. In addition, generated highly concentrated hydrogen is applied to fuel cell (PEMFC) to resolve environmental and energy crisis issue via gliding arc plasma system. Parameters that can affect the reforming performance of bio-gas in gliding arc plasma system were studied. Especially, the optimal operating condition in water gas shift reactor and preferential oxidation reactor for CO removal was proposed. For the parametric re-searches, change in steam feed amount and temperature change in catalyst bed in water gas shift reactor were studied. For the preferential oxidation reactor, air input flow rate change and temperature variation in catalyst bed were evaluated. The optimal operating conditions for gliding arc plasma reforming system are proposed as 6:4 of biogas component ratio (i.e., CHR4R:CO), 3 of steam/carbon ratio, 16 L/min of total gas flow rate, and 2.4 kW of input electric power. Where, the concentration of biogas that passed each reactor shows 57.5% of HR2R, 7 ppm of CO, 9.2% of COR2R, and 3.4% of CHR4R. Therefore, less than 10 ppm of CO is achieved, and this system can be applicable for PEMFC.

关键词： HR2R Concentration CO Removal Water Gas Shift Preferential Oxidation Biogas Reforming

Preserving finger length in a patient with symmetric digital gangrene under local anesthesia:A case report

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世界临床病例杂志 2023年第27期11卷 6640-6645页

作者： Keun Hyung Kim In chang Ko Hoon Kim Soo Yeon lim Department of Plastic and Reconstructive Surgery Konyang University Medical CenterKonyang University of College of MedicineDaejeon 35365South Korea Department of Plastic and Reconstructive Surgery Konyang University HospitalKonyang University of College of MedicineMyunggok Medical Research CenterDaejeon 35365South Korea

BACKGROUND Case reports of symmetric digital gangrene resulting from high-dose vasopressors use in patients with alcoholic ketoacidosis,leading to cardiac arrest,are *** date,no specific treatment method for autolysis or surgical amputation or guidelines for determining the level of amputation have been *** SUMMARY In this case report,we describe a treatment method that effectively preserved the function of fingers by surgical treatment under local anesthesia with a minimum operative time,while also preserving finger length to the maximum possible *** Our approach may contribute to improved postoperative quality of life by preserving finger length.

关键词： Acidosis Disseminated intravascular coagulation Ketosis Purpura fulminans Surgical amputation Case report