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Current status and recent advances on the use of ultrasonography in pediatric rheumatic diseases

World Journal of Pediatrics 2020年第1期16卷 52-59页

作者： Li-Xia Zou Mei-Ping Lu lawrence kwok leung jung Department of Rheumatology Immunology and Allergy Children's HospitalZhejiang University School of Medicine57 Zhugan LaneHangzhou 310003China Division of Rheumatology Children's National Medical Center in Washington D.C.111 Michigan Avenue NWWashingtonD.C.20010USA

Background Ultrasonography has become a useful tool in the clinical rheumatology settings in the last two decades,but its use has only recently been explored by pediatric *** aim of this article is to review the literature on the current status and recent advances on the use of ultrasound in pediatric rheumatic *** sources We have retrieved and reviewed the relevant articles from MEDLINE/PubMed databases published so far,on the applications of ultrasound in juvenile idiopathic arthritis(JIA),systemic lupus erythematosus,dermatomyositis,enthesitis,Sjogren's syndrome,and other rheumatic *** addition,articles on novel ultrasound imaging technology of potential use in pediatric rheumatology are also *** In JIA,ultrasound can be used to detect subclinical synovitis,to improve the classification of patients in JIA subtypes,to capture early articular damage,to monitor treatment response,and to guide intraarticular *** is also considered useful in other rheumatic disorders for the evaluation of musculoskeletal symptoms,assessment of parotid gland pathology,and measurement of skin thickness and *** ultrasound techniques developed to augment the functionality of ultrasonography may also be applicable in pediatric rheumatic *** Ultrasound shows great promise in the assessment and management of children with rheumatologic ***,standardization and validation of ultrasound in healthy children and in patients with rheumatic diseases are still needed.

关键词： Dermatomyositis Juvenile arthritis Lupus Pediatric rheumatic diseases Sonoelastography Ultrasound

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Early recognition of Kawasaki disease shock syndrome and cytokine levels in serum:A case-control study

Early recognition of Kawasaki disease shock syndrome and cyt...

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2018年浙江省医学会儿科学分会学术年会

作者： Yandie Li Jianqiang Wu Li Guo Liping Teng Rongjun Zheng Qi Zheng Lixia Zou lawrence kwok leung jung Meiping Lu Children’s Hospital Zhejiang University School of Medicine

Background:Kawasaki disease shock syndrome (KDSS) is a severe complication of Kawasaki disease (KD)characterized by systolic hypotension or clinical signs of poor *** etiology is *** document the distinguishing clinical features of this syndrome and to determine the role of cytokines in its pathogenesis,we compare the clinical characteristics,treatment outcomes and levels of serum cytokines in children with KD and KDSS.

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Light-Material Interactions Using Laser and Flash Sources for Energy Conversion and Storage Applications

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NANO-MICRO LETTERS 2024年第1期16卷 1-47页

作者： Park, jung Hwan Pattipaka, Srinivas Hwang, Geon-Tae Park, Minok Woo, Yu Mi Kim, Young Bin Lee, Han Eol Jeong, Chang Kyu Zhang, Tiandong Min, Yuho Park, Kwi-Il Lee, Keon Jae Ryu, jungho Kumoh Natl Inst Technol Dept Mech Engn Dept Aeronaut Mech & Elect Convergence Engn 61 Daehak Ro Gumi 39177 Gyeongbuk South Korea Pukyong Natl Univ Dept Mat Sci & Engn 45 Yongso Ro Busan 48513 South Korea lawrence Berkeley Natl Lab Energy Technol Area Berkeley CA 94720 USA Korea Adv Inst Sci & Technol KAIST Dept Mat Sci & Engn 291 Daehak Ro Daejeon 34141 South Korea Jeonbuk Natl Univ Div Adv Mat Engn Jeonju 54896 Jeonbuk South Korea Harbin Univ Sci & Technol Sch Elect & Elect Engn Harbin 150080 Peoples R China Harbin Univ Sci & Technol Key Lab Engn Dielect & Its Applicat Minist Educ Harbin 150080 Peoples R China Kyungpook Natl Univ Dept Mat Sci & Met Engn 80 Daehak ro Daegu 41566 South Korea Yeungnam Univ Sch Mat Sci & Engn Gyongsan Si 38541 Gyeongsangbuk D South Korea

This review paper provides a comprehensive analysis of light-material interaction (LMI) parameters, offering insights into their significance in material *** examines a wide array of photothermal and photochemical processes, showcasing their versatility in creating advanced materials for energy conversion and storage *** review presents a multidisciplinary approach to advancing LMI technologies and highlights their potential contribution to the commercialization of future energy conversion and storage systems. This review provides a comprehensive overview of the progress in light-material interactions (LMIs), focusing on lasers and flash lights for energy conversion and storage applications. We discuss intricate LMI parameters such as light sources, interaction time, and fluence to elucidate their importance in material processing. In addition, this study covers various light-induced photothermal and photochemical processes ranging from melting, crystallization, and ablation to doping and synthesis, which are essential for developing energy materials and devices. Finally, we present extensive energy conversion and storage applications demonstrated by LMI technologies, including energy harvesters, sensors, capacitors, and batteries. Despite the several challenges associated with LMIs, such as complex mechanisms, and high-degrees of freedom, we believe that substantial contributions and potential for the commercialization of future energy systems can be achieved by advancing optical technologies through comprehensive academic research and multidisciplinary collaborations.

关键词： Light Light-material interaction Nanomaterials Energy conversion and storage devices SENSITIZED SOLAR-CELLS THIN-FILM TRANSISTORS HIGH-PERFORMANCE INDUCED CRYSTALLIZATION ELECTRICAL-PROPERTIES AMORPHOUS-SILICON LI+ CONDUCTIVITY GRAPHITE OXIDE GRAPHENE OXIDE HIGH-CAPACITY

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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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Follow up of serial urea breath test results in patients after consumption of antibiotics for non-gastric infections

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World Journal of Gastroenterology 2002年第4期8卷 703-706页

作者： Wai-Keung leung lawrence Cheung-Tsui Hung Carrie Ka-Li kwok Rupert Wing-Loong Leong Daniel kwok-Keung Ng Joseph Jao-Yiu Sung Department of Medicine & Therapeutics Prince of Wales Hospitalthe Chinese University of Hong KongShatinHong KongChina Department of Paediatrics Kwong Wah HospitalKowloonHong KongChina

AIM: The widespread use of antibacterial therapy hasbeen suggested to be the cause for the decline in theprevalence of Helicobacter pyloriinfection. This studyexamine the serial changes of urea breath test resultsin a group of hospitalized patients who were givenantibacterial therapy for non-gastric ***: Thirty-five hospitalized patients who weregiven antibacterial therapy for clinical infections,predominantly chest and urinary infections, werestudied. Most (91%) patients were given singleantibiotic of either a penicillin or cephalosporin *** 13C-urea breath tests were performed within 24hours of initiation of antibiotics, at one-week and atsix-week post-therapy. H. pylori infection wasdiagnosed when one or more urea breath tests ***: All 35 patients completed three serial ureabreath tests and 26 (74 %) were H. pylori-positive. Ten(38 %) H. pylori-infected patients had at least onenegative breath test results during the study *** medium delta 13C values were significantly lowerat baseline (8.8) than at one-week (20.3) and six-week(24.5) post-treatment in H. pylori-positive individuals(P=0.022). Clearance of H. pyloriat six-week was onlyseen in one patient who had received anti-helicobactertherapy from another ***: Our results suggested that one-third ofH. pylori-infected individuals had transient false-negative urea breath test results during treatment withantibacterial agent. However, clearance of H. pyloriinfection by regular antibiotic consumption is rare.

关键词：抗生素 HP感染连续尿素呼吸试验耐药

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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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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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Clinical features and treatment outcomes of endogenous Klebsiella endophthalmitis:a 12-year review

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International Journal of Ophthalmology(English edition) 2020年第12期13卷 1933-1940页

作者： Chun Yue Mak Mary Ho lawrence Pui-leung Iu Helena Pui-yee Sin Li Jia Chen Grace Lui Marten Erik Brelen Alvin Lerrmann Young Department of Ophthalmology and Visual Sciences Prince of Wales HospitalNew TerritoriesHong KongChina Department of Ophthalmology and Visual Sciences the Chinese University of Hong KongNew TerritoriesHong KongChina Division of Infectious Diseases Department of Medicine and Therapeuticsthe Chinese University of Hong KongNew TerritoriesHong KongChina

AIM:To identify the clinical features and treatment outcomes of endogenous Klebsiella pneumoniae endophthalmitis and investigate prognostic factors of poor visual ***:The clinical records of all patients diagnosed with endogenous Klebsiella endophthalmitis between January 2007 to December 2018 in Prince of Wales Hospital,Hong Kong,China were retrospectively *** ophthalmological examination findings were recorded in the case note,including visual acuity testing,slit-lamp examination,indirect ophthalmoscopy and B-scan ultrasonography if media opacity precluded fundus ***:A total of 18 eyes in 14 patients were *** involvement was noted in 4 patients(28.6%).Hepatobiliary sepsis was the source in 9 patients(64.3%).Culture of intraocular fluid was positive in 5 out of 18 eyes(27.8%).Mortality was noted in 2 patients(14.3%).Mean final visual acuity was 20/*** out of 16 eyes had total loss of sight(37.5%)and 3 eyes required evisceration(18.8%).Multivariate linear regression revealed poor presenting visual acuity(P=0.031)and lack of fundus view due to vitritis(P=0.02)as prognostic factors of poor visual ***:Visual outcome of endogenous Klebsiella endophthalmitis is *** presenting visual acuity and lack of fundus view predict poor visual *** index of suspicion for endophthalmitis is important in Klebsiella sepsis patients with complaints of ocular *** screening is recommended in noncommunicable patients with Klebsiella sepsis.

关键词： Klebsiella pneumoniae endogenous endophthalmitis screening liver abscess sepsis

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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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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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