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Balthazar computed tomography severity index is superior to Ranson criteria and APACHE Ⅱ scoring system in predicting acute pancreatitis outcome

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World Journal of Gastroenterology 2005年第38期11卷 6049-6052页

作者： Ting-Kai Leung chi-ming lee Shyr-Yi Lin Hsin-chi Chen Hung-Jung Wang Li-Kuo Shen Ya-Yen Chen Department of Diagnostic Radiology Taipei Medical University Hospital Taipei TaiwanChina Department of Internal Medicine Taipei Medical University Hospital Taipei Taiwan China

AIM： Acute pancreatitis （AP） is a process with variable involvement of regional tissues or organ systems. Multifactorial scales included the Ranson, Acute Physiology and Chronic Health Evaluation （APACHE Ⅱ） systems and Balthazar computed tomography severity index （CTSI）. The purpose of this review study was to assess the accuracy of CTSI, Ranson score, and APACHE II score in course and outcome prediction of AP. METHODS： We reviewed 121 patients who underwent helical CT within 48 h after onset of symptoms of a first episode of AP between 1999 and 2003. Fourteen inappropriate subjects were excluded; we reviewed the 107 contrastenhanced CT images to calculate the CTSI. We also reviewed their Ranson and APACHE Ⅱ score. In addition, complications, duration of hospitalization, mortality rate, and other pathology history also were our comparison parameters. RESULTS： We classified 85 patients （79%） as having mild AP （CTSI 〈5） and 22 patients （21%） as having severe AP （CTSI ≥5）. In mild group, the mean APACHE II score and Ranson score was 8.6±1.9 and 2.4±1.2, and those of severe group was 10.2±2.1 and 3.1±0.8, respectively. The most common complication was pseudocyst and abscess and it presented in 21 （20%） patients and their CTSI was 5.9±1.4. A CTSI ≥5 significantly correlated with death, complication present, and prolonged length of stay. Patients with a CTSI ≥5 were 15 times to die than those CTSI 〈5, and the prolonged length of stay and complications present were 17 times and 8 times than that in CTSI 〈5, respectively. CONCLUSION： CTSI is a useful tool in assessing the severity and outcome of AP and the CTSI ≥5 is an index in our study. Although Ranson score and APACHE II score also are choices to be the predictors for complications, mortality and the length of stay of AP, the sensitivity of them are lower than CTSI.

关键词： Acute pancreatitis Ranson score APACHE Ⅱ score Balthazar computed tomography severity index

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Anatomic and technical skill factor of gastroduodenal complication in post-transarterial embolization for hepatocellular carcinoma: A retrospective study of 280 cases

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World Journal of Gastroenterology 2005年第10期11卷 1554-1557页

作者： Ting-Kai Leung chi-ming lee Hsin-chi Chen Department of Diagnostic Radiology

AIM: To reduce the possibility of gastroduodenal complications. The purpose of this retrospective study was to survey the literature and compare and discuss the incidence of post-transarterial embolization (TAE)gastroduodenal ***: We found reports describing 280 cases of hepatocellular carcinoma with TAE procedures done during the past 4 years and selected all of them for our *** these cases, 86 were suspected of suffering gastroduodenal complications within one month of postTAE treatment. Fifteen of these cases were proved by pan-endoscopy to have gastroduodenal erosions or ulcerations. We reviewed the angiographic pictures in patient records to evaluate the possibility that anatomic and technical skill factors could explain the ***: Amongst the 15 cases, 9 were primary lesions of the antrum and prepylorus; 4 had duodenal ulcer or erosions; 2 had mid-body lesions; none showed a lesion at the fundus or cardia region. Three cases had not received TAEs using our ideal method, and may be associated with possible regurgitation of gel-foam pieces into the right or left gastric arteries. Two cases involved sub-selective embolization at a distal point on the hepatic artery; one case was found by angiography to have complete occlusion of the celiac ***: Comparing our results with past cases of post-TAE gastroduodenal complications, we surmise that our relatively low incidence (5.3%) of gastric complications might be explained by our concerted efforts to improve our technical skills in multi-sequential, selective and superselective approaches to the embolization of tumor vessels.

关键词： Post-TAE complication Transarterial embolization Gastroduodenal complication

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Fatal thrombotic complications of hepatic cystic compression of the inferior vena: A case report

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World Journal of Gastroenterology 2005年第11期11卷 1728-1729页

作者： Ting-Kai Leung chi-ming lee Hsin-chi Chen Department of Diagnostic Radiology

Of 5% of patients who develop liver cysts, only 10-15%of them come for medical attention, typically because of dull right upper quadrant pain, abdominal bloating or early satiety. We treated a 77-year-old female with a rare complication of inferior vena cava thrombosis. The patient expired due to septic shock and multiple organ failure.

关键词： Liver cyst Inferior vena cava thrombosis Non-parasitic cyst Cellulitis IVC compression Sepsis

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Difficulty with diagnosis of malignant pancreatic neoplasms coexisting with chronic pancreatitis

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World Journal of Gastroenterology 2005年第32期11卷 5075-5078页

作者： Ting-Kai Leung chi-ming lee Fong-chieh Wang Hsin-chi Chen Hung-Jung Wang Department of Diagnostic RadiologyTaipei Medical University Hospital Taiwan Department of Internal Medicine Taipei Medical University HospitalTaiwanChina

Chronic pancreatitis is a relatively common disease. We encountered two different cases of belatedly demonstrated pancreatic carcinoma featuring underlying chronic pancreatitis. The first case was one that was highly suspected as that of a malignancy based upon imaging study, but unfortunately, it could not be confirmed by intra-operative cytology at that time. Following this, the surgeon elected to perform only conservative bypass surgery for obstructive biliary complication. Peritoneal carcinomatosis was later noted and the patient finally died. The second case, a malignant mucinous neoplasm,was falsely diagnosed as a pseudocyst, based upon the lesion's sonographic appearance and associated elevated serum amylase levels. After suffering repeated hemoptysis,the patient was found to exhibit lung metastasis and peritoneal seeding. We reviewed some of the literature,including those studies discussing chronic pancreatitis predisposing to a malignant change. These two case analyses illustrate clearly that the diagnosis for such conditions, which is simply based upon imagery or pathological considerations may end up being one of a mistaken malignancy. Some of our suggestions for the treatment of such malignancies as revealed herein include,total pancreatomy for univocal mass lesion, and needle aspiration of lesion-contained tissue for amylase, CA199and CEA levels for a suspicious cystic pancreatic mass.

关键词： Mucinous cystic neoplasm Pancreatic carcinoma Pseudocyst Pancreatic adenocarcinoma Chronic pancreatitis

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Image features of two rare mediastinal tumors: schwannoma of intrathoracic phrenic nerve and clear cell chondrosarcoma of the rib

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中华医学杂志(英文版) 2005年第17期 87-90页

作者： Ting-Kai Leung,chien-Jui Cheng,chi-ming lee,Hung-Jung Wang,Ya-Yen Chen Diagnostic Radiology Department of Taipei Medical University Hospital Taipei Medical University Taipei china Pathology Department of Taipei Medical University Hospital TaipeiMedical University Taipei china Diagnostic Radiology Department of Taipei Medical University Hospital Taipei Medical University Taipei china Diagnostic Radiology Department of Taipei Medical University Hospital Taipei Medical University Taipei china Diagnostic Radiology Department of Taipei Medical University Hospital Taipei Medical University Taipei china

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Image features of two rare mediastinal tumors: schwannoma of intrathoracic phrenic nerve and clear cell chondrosarcoma of the rib

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chinese Medical Journal 2005年第17期118卷 1493-1496页

作者： Ting-Kai Leung chien-Jui Cheng chi-ming lee Li-Kuo Shen Hung-Jung Wang Ya-Yen Chen Diagnostic Radiology Department of Taipei Medical University Hospital Taipei Medical University Taipei China Pathology Department of Taipei Medical University Hospital Taipei Medical University Taipei China

The current report focuses on two patients of the same age who presented similar appearances on initial anteroposterior chest images. Follow-up images showed superoanterior and superoposterior mediastinal lesions. The first patient with noninvasive cystic thymoma was suspected before surgery, while the pathologic diagnosis was intrathoracic phrenic nerve schwannoma. The second patient was with an asymmetric, dumbbell-shaped paravertebral tumor over T3 and T4 on the left side. The preoperative diagnostic images were interpreted as showing a neurogenic tumor. However, the pathologic report was cell chondrosarcoma.

关键词： mediastinal tumors schwannoma phrenic nerve clear cell chondrosarcoma

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Evaluation of the effect of partial splenic embolization on platelet values for liver cirrhosis patients with thrombocytopenia

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World Journal of Gastroenterology 2007年第4期13卷 619-622页

作者： chi-ming lee Ting-Kai Leung Hung-Jung Wang Wei-Hsing lee Li-Kuo Shen Jean-Dean Liu Chun-Chao Chang Ya-Yen Chen Department of Diagnostic Radiology Taipei Medical University Hospital Taipei Taiwan China Department of Medicine Taipei Medical University Taipei Taiwan China Department of Internal Medicine Taipei Medical University Hospital Taipei Taiwan China

AIM： TO investigate the effect of partial splenic embolization （PSE） on platelet values in liver cirrhosis patients with thrombocytopenia and to determine the effective embolization area for platelet values improvement.METHODS： Blood parameters and liver function indicators were measured on 10 liver cirrhosis patients （6 in child-Pugh grade A and 4 in grade B） with thrombocytopenia （platelet values 〈 80 × 10^3/μL） before embolization. Computed tomography scan was also needed in advance to acquire the splenic baseline. After 2 to 3 d, angiography and splenic embolization were performed. A second computed tomography scan was made to confirm the embolization area after 2 to 3 wk of embolization. The blood parameters of patients were also examined biweekly during the 1 year follow-up period. RESULTS： According to the computed tomography images after partial splenic embolization, we divided all paUents into two groups： low （〈 30%）, and high （≥ 30%） embolization area groups. The platelet values were increased by 3 times compared to baseline levels after 2 wk of embolization in high embolization area group. In addition, there were significant differences in platelet values between low and high embolization area groups. GPT values decreased significantly in all patients after 2 wk of embolization. The improvement in platelet and GPT values still persisted until 1 year after PSE. In addition, 3 of 4 （75%） child-Pugh grade B patients progressed to grade A after 2 mo of PSE. The complication rate in 〈 30% and ≥30% embolization area groups was 50% and 100%, respectively. CONCLUSION： Partial splenic embolization is an effective method to improve platelet values and GPT values in liver cirrhosis patients with thrombocytopenia and the ≥ 30% embolization area is meaningful for platelet values improvement. The relationship between the complication rate and embolization area needs further studies.

关键词： Partial splenic embolization Liver cirrhosis Thrombocytopenia

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Significantly Improved High-Temperature Energy Storage Performance of BOPP Films by Coating Nanoscale Inorganic Layer

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Energy & Environmental Materials 2024年第2期7卷 30-38页

作者： Tiandong Zhang Hainan Yu Young Hoon Jung Changhai Zhang Yu Feng Qingguo Chen Keon Jae lee Qingguo chi School of Electrical and Electronic Engineering Harbin University of Science and TechnologyHarbin 150080China Department of Materials Science and Engineering Korea Advanced Institute of Science and TechnologyDaejeon 350701Korea

Biaxially oriented polypropylene(BOPP)is one of the most commonly used commercial capacitor films,but its upper operating temperature is below 105℃due to the sharply increased electrical conduction loss at high *** this study,growing an inorganic nanoscale coating layer onto the BOPP film's surface is proposed to suppress electrical conduction loss at high temperature,as well as increase its upper operating *** kinds of inorganic coating layers that have different energy band structure and dielectric property are grown onto the both surface of BOPP films,*** effect of inorganic coating layer on the high-temperature energy storage performance has been systematically *** favorable coating layer materials and appropriate thickness enable the BOPP films to have a significant improvement in high-temperature energy storage ***,when the aluminum nitride(AIN)acts as a coating layer,the AIN-BOPP-AIN sandwich-structured films possess a discharged energy density of 1.5 J cm^(-3)with an efficiency of 90%at 125℃,accompanying an outstandingly cyclic *** the discharged energy density and operation temperature are significantly enhanced,indicating that this efficient and facile method provides an important reference to improve the high-temperature energy storage performance of polymer-based dielectric films.

关键词： coating layer energy storage interfacial barrier polymer films

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Deep Transfer Learning Models for Mobile-Based Ocular Disorder Identification on Retinal Images

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Computers, Materials & Continua 2024年第7期80卷 139-161页

作者： Roseline Oluwaseun Ogundokun Joseph Bamidele Awotunde Hakeem Babalola Akande Cheng-chi lee Agbotiname Lucky Imoize Department of Multimedia Engineering Kaunas University of TechnologyKaunas44249Lithuania Department of Computer Science Landmark UniversityOmu Aran251103Nigeria Department of Computer Science Faculty of Information and Communication SciencesUniversity of IlorinIlorin240003Nigeria Department of Telecommunication Science University of IlorinIlorin230003Nigeria Department of Library and Information Science Fu Jen Catholic UniversityNew Taipei City24205TaiwanChina Department of Computer Science and Information Engineering Fintech and Blockchain Research CenterAsia UniversityTaichung City41354TaiwanChina Department of Electrical and Electronics Engineering Faculty of EngineeringUniversity of LagosAkokaLagos100213Nigeria Department of Electrical Engineering and Information Technology Institute of Digital CommunicationRuhr UniversityBochum44801Germany

Mobile technology is developing *** phone technologies have been integrated into the healthcare industry to help medical ***,computer vision models focus on image detection and classification ***2 is a computer vision model that performs well on mobile devices,but it requires cloud services to process biometric image information and provide predictions to *** leads to increased *** biometrics image datasets on mobile devices will make the prediction faster,but mobiles are resource-restricted devices in terms of storage,power,and computational ***,a model that is small in size,efficient,and has good prediction quality for biometrics image classification problems is *** pre-trained CNN(PCNN)MobileNetV2 architecture combined with a Support Vector Machine(SVM)compacts the model representation and reduces the computational cost and memory *** proposed novel approach combines quantized pre-trained CNN(PCNN)MobileNetV2 architecture with a Support Vector Machine(SVM)to represent models efficiently with low computational cost and *** contributions include evaluating three CNN models for ocular disease identification in transfer learning and deep feature plus SVM approaches,showing the superiority of deep features from MobileNetV2 and SVM classification models,comparing traditional methods,exploring six ocular diseases and normal classification with 20,111 images postdata augmentation,and reducing the number of trainable *** model is trained on ocular disorder retinal fundus image datasets according to the severity of six age-related macular degeneration(AMD),one of the most common eye illnesses,Cataract,Diabetes,Glaucoma,Hypertension,andMyopia with one class *** the experiment outcomes,it is observed that the suggested MobileNetV2-SVM model size is *** testing accuracy for MobileNetV2-SVM,InceptionV3,and MobileNetV2 is 90.11%,86.88%,a

关键词： Retinal images ocular disorder deep transfer learning disease identification mobile device

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Matrine-loaded self-adhesive swelling microneedle for inflammation regulation to improve eczema treatment

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Marine Life Science & Technology 2024年第3期6卷 535-546页

作者： Jiale Shen Jiarui Wang Meng Wu Yan Shi Minhyeock lee Zhiguo Wang ming Kong College of Marine Life Sciences Ocean University of ChinaQingdao 266003China Department of Burn and Plastic Surgery the Affiliated Hospital of Qingdao UniversityQingdao UniversityQingdao 266021China Department of Biotechnology College of Life Sciences and BiotechnologyKorea UniversitySeoul 02841Republic of Korea

Eczema is a common chronic dermatological *** treatments exhibit limited efficacy due to fast drug release resulting in short-term *** of a new treatment strategy that enables sustained drug release and longterm maintenance on the skin surface is necessary.A self-adhesive swelling microneedle patch(SDSMNs)was designed and constructed using a two-step casting *** adhesive substrate was prepared by blending gelatin and dopamine via oxidation of NaIO4,so it could adhere onto the skin surface as well as withstand repeated bending movement without *** swelling needles were fabricated using polyvinyl alcohol(PVA)and polyvinylpyrrolidone(PVP),which could swell by absorbing interstitial fluid and release the drug in a controlled *** also showed desirable antibacterial activities toward *** and *** adhesive microneedles loaded with matrine(MAT-SDSMNs),an antiinflammatory chinese medicine,dramatically relieved eczema symptoms through IL-17 mediated inflammation *** use of MAT-SDSMNs significantly decreased the infiltration of inflammation cells and level of inflammatory cytokines,reduced the skin thickness,and increased collagen deposition fraction compared with conventional ointment or subcutaneous *** results suggested that MAT-SDSMNs can improve eczema treatment by regulating the local inflammatory microenvironment,providing a simple,self-administered sustainable strategy for eczema treatment.

关键词： Self-adhesive swelling microneedle Eczema Matrine Inflammation regulation

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