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Significant risk and associated factors of active tuberculosis infection in Korean patients with inflammatory bowel disease using anti-TNF agents

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World Journal of Gastroenterology 2015年第11期21卷 3308-3316页

作者： Eun Soo Kim Geun Am Song Kwang Bum Cho Kyung Sik Park Kyeong Ok Kim Byung Ik Jang Eun Young Kim Seong Woo Jeon Hyun Seok lee Chang Heon Yang yong kook lee Dong Wook lee Sung kook Kim Tae Oh Kim Jonghun lee Hyung Wook Kim Sam Ryong Jee Seun Ja Park Hyun Jin Kim Division of Gastroenterology Department of Internal MedicineKeimyung University School of Medicine Division of Gastroenterology Department of Internal MedicinePusan National University School of Medicine Division of Gastroenterology Department of Internal MedicineYeungnam University College of Medicine Division of Gastroenterology Department of Internal MedicineCatholic University of Daegu School of Medicine Division of Gastroenterology Department of Internal MedicineKyungpook National University School of Medicine Division of Gastroenterology Department of Internal MedicineDongguk University School of Medicine Division of Gastroenterology Department of Internal MedicineInje University College of Medicine Division of Gastroenterology Department of Internal MedicineDong-A University Medical Center Division of Gastroenterology Department of Internal MedicineKosin University College of Medicine Division of Gastroenterology Department of Internal MedicineGyeongsang National University School of Medicine

AIM:To evaluate the incidence and risk factors of Korean tuberculosis(TB) infection in patients with inflammatory bowel disease(IBD) undergoing anti-TNF ***:The data of IBD patients treated with anti-TNFs in 13 tertiary referral hospitals located in the southeastern region of Korea were collected *** failed to show response or were intolerant to conventional treatments,including steroids or *** measures for latent TB infection(LTBI)and the incidence and risk factors ofactive TB infection after treatment with anti-TNFs were ***:Overall,376 IBD patients treated with antiTNF agents were recruited(male 255,mean age of anti-TNF therapy 32.5±13.0 years);277 had Crohn’s disease,99 had ulcerative colitis,294 used infliximab,and 82 used *** anti-TNF treatment,screening tests for LTBI including an interferon gamma release assay or a tuberculin skin test were performed in 82.2%of *** patients(8%)had *** cases of active TB infection including one TB-related mortality occurred during 801 personyears(PY)follow-up(1997.4 cases per 100000 PY)after anti-TNF ***(OR=5.76,95%CI:1.57-21.20,P=0.008)and WBC count<5000 mm3(OR=4.5,95%CI:1.51-13.44,P=0.007)during follow-up were identified as independently associated risk ***:Anti-TNFs significantly increase the risk of TB infection in Korean patients with *** considerable burden of TB and marked immunosuppression might be attributed to this risk.

关键词： Tuberculosis Anti-TNF Korea Inflammatory bowel dis

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Anxiety and depression propensities in patients with acute toxic liver injury

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World Journal of Gastroenterology 2013年第47期19卷 9069-9076页

作者： Jeong Ill Suh Jeong Kyu Sakong Kwan lee yong kook lee Jeong Bae Park Dong Joon Kim Yeon Seok SeoDepartment of Internal Medicine Korea University Anam Hospital Korea University College of Medicine Seoul 136-705 South Korea Jae Dong lee Soon Young Ko Byung Seok lee Seok Hyun Kim Byung Seok Kim Young Seok Kim Heon Ju lee In Hee Kim Joo Hyun Sohn Tae Yeob Kim Byung Min Ahn Department of Internal Medicine Dongguk University Gyeongju HospitalDongguk University College of MedicineGyeongju 780-350South Korea Department of Psychiatry Dongguk University Gyeongju HospitalDongguk University College of MedicineGyeongju 780-350South Korea Department of Preventive Medicine Dongguk University College of MedicineGyeongju 780-350South Korea Department of Internal Medicine Hallym University Medical CenterHallym University College of MedicineChuncheon 200-704South Korea Department of Internal Medicine Konkuk University Chungju HospitalKonkuk University College of MedicineChungju 380-704South Korea Department of Internal Medicine Chungnam National University HospitalChungnam University College of MedicineDaejeon 301-721South Korea Department of Internal Medicine Daegu Catholic University Medical CenterDaegu Catholic University College of MedicineDaegu 705-718South Korea Department of Internal Medicine Soonchunhyang University Bucheon HospitalSoonchunhyang University College of MedicineBucheon 420-767South Korea Department of Internal Medicine Yeungnam University Medical CenterYeungnam University College of MedicineDaegu 705-703South Korea Department of Internal Medicine Chonbuk National University HospitalChonbuk National University College of MedicineJeonju 561-712South Korea Department of Internal Medicine Hanyang University Guri HospitalHanyang University College of MedicineGuri 471-701South Korea Department of Internal Medicine Hwain Metro HospitalChunan 331-959South Korea

AIM:To investigate anxiety and depression propensities in patients with toxic liver ***:The subjects were divided into three groups:a healthy control group(Group 1,n=125),an acute non-toxic liver injury group(Group 2,n=124),and a group with acute toxic liver injury group caused by noncommercial herbal preparations(Group 3,n=126).These three groups were compared and evaluated through questionnaire surveys and using the Hospital Anxiety-Depression Scale(HADS),Beck Anxiety Inventory(BAI),Beck Depression Inventory(BDI),and the hypochondriasis ***:The HADS anxiety subscale was 4.9±2.7,5.0±3.0 and 5.6±3.4,in Groups 1,2,and 3,*** HADS depression subscale in Group 3 showed the most significant score(5.2±3.2,6.4±3.4 and 7.2±3.4in Groups 1,2,and 3,respectively)(P<0.01 vs Group 1,P<0.05 vs Group 2).The BAI and BDI in Group 3showed the most significant score(7.0±6.3 and 6.9±6.9,9.5±8.6 and 8.8±7.3,10.7±7.2 and 11.6±8.5in Groups 1,2,and 3,respectively)(BAI:P<0.01 vs Group 1,P<0.05 vs Group 2)(BDI:P<0.01 vs Group1 and 2).Group 3 showed a significantly higher hypochondriasis score(8.2±6.0,11.6±7.5 and 13.1±6.5in Groups 1,2,and 3,respectively)(P<0.01 vs Group 1,P<0.05 vs Group 2).CONCLUSION:Psychological factors that present vulnerability to the temptation to use alternative medicines,such as herbs and plant preparations,are important for understanding toxic liver injury.

关键词： Liver injury Herb Toxic Anxiety Depression

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Electron beam deposition and characterization of thin film Ti-Ni for shape memory applications

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Rare Metals 2006年第Z2期25卷 237-242页

作者： NOH Hae-yong JEE Kwang-Koo lee Kyu-Hwan lee Young-kook Department of Metallurgical System Yonsei University Seoul 120-749 KoreaAdvanced Materials Research Center Division of Materials Korea Institute of Science and Technology Cheongryang Seoul 130-650 Korea Advanced Materials Research Center Division of Materials Korea Institute of Science and Technology Cheongryang Seoul 130-650 Korea Department of Metallurgical System Yonsei University Seoul 120-749 Korea

Thin film of Ti-Ni alloy has a potential to perform the microactuation functions required in the microelectromechanical system (MEMS). It is essential, however, to have good uniformity in both chemical composition and thickness to realize its full potential as an active component of MEMS devices. Electron beam evaporation technique was employed in this study to fabricate the thin films of Ti-Ni alloy on different substrates. The targets used for the evaporation were first prepared by electron beam melting. The uniformity of composition and microstructure of the thin films were characterized by electron probe microanalysis (EPMA), Auger electron spectroscopy (AES), X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and transmission electron microscopy (TEM). The mechanical property of the thin films was evaluated by the nano-indentation test. The martensitic transformation temperature was measured by differential scanning calorimetry (DSC). It is confirmed that the chemical composition of deposited thin films is identical to that of the target materials. Furthermore, results from depth profiling of the chemical composition variation reveal that the electron beam evaporation process yields better compositional homogeneity than other conventional methods such as sputtering and thermal evaporation. Microstructural observation by TEM shows that nanometer size precipitates are preferentially distributed along the grain boundaries of a few micron size grains. The hardness and elastic modulus of thin films decreases with an increase in Ti contents.

关键词： electron beam evaporation TiNi SMA thin film martensitic transformation reverse martensitic transformation

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Controlling hypoxia-inducible factor-2α is critical for maintaining bone homeostasis in mice

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Bone Research 2019年第2期7卷 210-223页

作者： Sun Young lee Ka Hyon Park Hyung-Gu Yu Eunbyul kook Won-Hyun Song Gyuseok lee Jeong-Tae Koh Hong-In Shin Je-yong Choi Yun Hyun Huh Je-Hwang Ryu Department of Pharmacology and Dental Therapeutics School of DentistryChonnam National UniversityGwangju 61186Korea Research Center for Biomineralization Disorders School of DentistryChonnam National UniversityGwangju 61186Korea Department of Oral Pathology and IHBR School of DentistryKyungpook National UniversityDaegu 41940Korea Department of Biochemistry and Cell Biology BK21 Plus KNU Biomedical Convergence ProgramSkeletal Diseases Analysis CenterKorea Mouse Phenotyping Center (KMPC)School of MedicineKyungpook National UniversityDaegu 41944Korea School of Life Sciences Gwangju Institute of Science and TechnologyGwangju 61005Korea

Pathological bone loss is caused by an imbalance between bone formation and *** bone microenvironments are hypoxic,and hypoxia-inducible factor (HIF) is known to play notable roles in bone ***,the relevant functions of HIF-2α are not well ***,we have shown that HIF-2α deficiency in mice enhances bone mass through its effects on the differentiation of osteoblasts and *** vitro analyses revealed that HIF-2α inhibits osteoblast differentiation by targeting Twist2 and stimulates RANKL-induced osteoclastogenesis via regulation of *** addition,HIF-2α appears to contribute to the crosstalk between osteoblasts and osteoclasts by directly targeting RANKL in osteoprogenitor *** performed with osteoblast- and osteoclast-specific conditional knockout mice supported a role of HIF-2α in this ***-2α deficiency alleviated ovariectomy-induced bone loss in mice,and specific inhibition of HIF-2α with ZINC04179524 significantly blocked RANKLmediated ***,our results suggest that HIF-2α functions as a catabolic regulator in bone remodeling,which is critical for the maintenance of bone homeostasis.

关键词： is RANKL its via

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Histologic characteristics of gastric polyps in Korea: Emphasis on discrepancy between endoscopic forceps biopsy and endoscopic mucosal resection specimen

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World Journal of Gastroenterology 2006年第25期12卷 4029-4032页

作者： Won Jae Yoon Dong Ho lee yong Jin Jung Ji Bong Jeong Ji Won Kim Byeong Gwan Kim kook Lae lee Kwang Hyuck lee Young Soo Park Jin-Hyeok Hwang Jin-Wook Kim Nayoung Kim Jun Kyu lee Hyun Chae Jung yong Bum Yoon In Sung Song Department of Internal Medicine Seoul National University College of Medicine SeoulKorea

AIM： To investigate histological characteristics of gastric polyps in the Korean population. METHODS： We reviewed endoscopic photographs and medical records of patients with gastric polyps who underwent endoscopic mucosal resection from April 1996 through February 2003. RESULTS： A total of 85 gastric polyps from 74 patients were reviewed, Male-to-female ratio was 1：1,96, Mean age was 59.9 =1：10,8 years. Multiple polyps were observed in 10,8%, Gastric polyps occurred most frequently in the antrum （58.8%）, Pathological results on resected specimens were as follows： tubular adenoma 45.9%, hyperplastic polyp 31.8%, inflammatory polyp 9.4%, hamartoma 3.5%, fundic gland polyp 2.4%, tubulovillous adenoma 2.4%, adenocarcinoma 2.4%, dysplasia 1.1%, and mucosal pseudolipomatosis 1.1%. Discrepancy rate between endoscopic biopsy and pathology of resected specimens was 27.1%. There was no relationship between the size of the polyp and concordance rate. CONCLUSION： There is considerable discrepancy in histologic findings between endoscopic forceps biopsy and resected specimens. Approaches to review of the histology of an entire polyp should be performed, especially when an adenoma is suspected.

关键词： Polyp Gastric Histology

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Multi-Wavelength Conversion Using FP-LD with Linear Optical Amplifier

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光学学报 2003年第S1期23卷 623-624页

作者： Jeung-Mo Kang yong-Ook Kim Sang-kook Han Department of Electrical & Electronic Engineering Yonsei University Shinchon-dong Seodaemoon-gu Seoul KoreaDepartment of Electrical & Electronic Engineering Yonsei University Shinchon-dong Seodaemoon-gu Seoul KoreaDepartment of Electrical & Electronic Engineering Yonsei University Shinchon-dong Seodaemoon-gu Seoul Korea

We propose and demonstrate a multi-wavelength converter using FP-LD with linear optical amplifier (LOA) which based on cross-gain modulation can convert an input signal to many wavelengths simultaneously for reconfigu... 详细信息

关键词： FP LD Multi-Wavelength Conversion Using FP-LD with Linear Optical Amplifier mode LOA with SOA of

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Changes of tear film lipid layer thickness by 3% diquafosol ophthalmic solutions in patients with dry eye syndrome

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International Journal of Ophthalmology(English edition) 2019年第10期12卷 1555-1560页

作者： Dong-Hyun Kang yong-Woo lee Kyu-Yeon Hwang Kyung-Min Koh Young-A Kwon Byung-Yeop Kim Sang-Wroul Song kook-Young Kim Myung-Gok Eye Research Institute Department of Ophthalmology Kim’s Eye Hospital Konyang University College of Medicine

AIM: To evaluate the quantitatively changes in lipid layer thickness(LLT) when 3% diquafosol eye drop is used for dry eye patients using the tear film interferometer. METHODS: A total 124 participants(32 males, 92 females;mean age, 28.9 y) diagnosed with dry eye disease(DED) received topical instillation of 4 ophthalmic solutions in one eye: diquafosol, normal saline, 0.1% sodium hyaluronate and 0.3% gatifloxacin, in a masked manner. LLT was measured using an interferometer at baseline and 20 min after the instillation of each ophthalmic ***: Changes of LLT after instillation(nm, mean± standard error) were as follows: 12.6±2.0 for diquafosol(P<0.001), 1.2±2.2 for normal saline(P=0.301), 1.5±2.0 for hyaluronate(P=0.495), and 0.5±3.2 for gatifloxacin(P=0.884).CONCLUSION: Topical instillation of diquafosol increases tear film LLT in DED patients. Diquafosol 3% eye drop might be effective treatment option of evaporative DED with meibomian gland dysfunction.

关键词： diquafosol ophthalmic solutions dry eye syndrome tear film lipid layer thickness

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Randomized controlled trial to evaluate the efficacy and safety of fexuprazan compared with esomeprazole in erosive esophagitis

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World Journal of Gastroenterology 2022年第44期28卷 6294-6309页

作者： Kang Nyeong lee Oh Young lee Hoon Jai Chun Jin Il Kim Sung kook Kim Sang Woo lee Kyung Sik Park kook Lae lee Suck Chei Choi Jae-Young Jang Gwang Ha Kim In-kyung Sung Moo In Park Joong Goo Kwon Nayoung Kim Jae Jun Kim Soo Teik lee Hyun Soo Kim Ki Bae Kim yong Chan lee Myung-Gyu Choi Joon Seong lee Hwoon-yong Jung Kwang Jae lee Jie-Hyun Kim Hyunsoo Chung Department of Internal Medicine Hanyang University College of MedicineSeoul 04763South Korea Department of Internal Medicine Korea University Anam HospitalSeoul 02841South Korea Department of Internal Medicine The Catholic University of KoreaYeouido ST.Mary’s HospitalSeoul 07260South Korea Department of Internal Medicine Kyungpook National University HospitalDaegu 41944South Korea Department of Internal Medicine Korea University Ansan HospitalAnsan-si 15355South Korea Department of Internal Medicine Keimyung University Dongsan HospitalDaegu 42601South Korea Department of Internal Medicine Seoul Metropolitan Government Seoul National University Boramae Medical CenterSeoul 07061South Korea Department of Internal Medicine Wonkwang University HospitalIksan 54538South Korea Department of Internal Medicine KyungHee University Medical CenterSeoul 02447South Korea Department of Internal Medicine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 47241South Korea Department of Internal Medicine KKonkuk University Medical CenterSeoul 05030South Korea Department of Internal Medicine Kosin University Gaspel HospitalBusan 49267South Korea Department of Internal Medicine Daegu Catholic University Medical CenterDaegu 42471South Korea Department of Internal Medicine Seoul National University Bundang HospitalSeongnam-si 13620Gyeonggi-doSouth Korea Department of Internal Medicine Samsung Medical CenterSeoul 06351South Korea Department of Internal Medicine Chonbuk National University HospitalJeonju-si 54907South Korea Department of Internal Medicine Chonnam National University HospitalGwangju 61469South Korea Department of Internal medicine Chungbuk National University School of MedicineCheong Ju 28644South Korea Department of Internal Medicine Severance HospitalSeoul 03722South Korea Department of Internal Medicine The Catholic University of KoreaSeoul ST.Mary’s HospitalSeoul 06591South Korea Digestive Disease Center Soon

BACKGROUND Fexuprazan,a novel potassium-competitive acid blocker,reversibly suppresses the K+/H+-ATPase enzyme in proton pumps within gastric parietal ***’s suppression of gastric acid was maintained in healthy individuals for 24 h in a dose-dependent *** To compare fexuprazan to esomeprazole and establish its efficacy and safety in patients with erosive esophagitis(EE).METHODS Korean adult patients with endoscopically confirmed EE were randomized 1:1 to receive fexuprazan 40 mg or esomeprazole 40 mg once daily for eight *** primary endpoint was the proportion of patients with healed EE confirmed by endoscopy at week *** secondary endpoints included the healing rate of EE at week 4,symptom response,and quality of life *** profiles and serum gastrin levels were compared between the *** Of the 263 randomized,218 completed the study per protocol(fexuprazan 40 mg,n=107;esomeprazole 40 mg,n=111).Fexuprazan was non-inferior to esomeprazole regarding the healing rate at week 8[99.1%(106/107)vs 99.1%(110/111)].There were no between-group differences in the EE healing rate at week 4[90.3%(93/103)vs 88.5%(92/104)],symptom responses,and quality of life ***,serum gastrin levels at weeks 4 and 8 and drug-related side effects did not significantly differ between the *** Fexuprazan 40 mg is non-inferior to esomeprazole 40 mg in EE healing at week *** suggest that fexuprazan is an alternative promising treatment option to PPIs for patients with EE.

关键词： Gastroesophageal reflux Esophagitis Proton pump inhibitors Heartburn Quality of life

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Stress and sleep quality in doctors working on-call shifts are associated with functional gastrointestinal disorders

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World Journal of Gastroenterology 2017年第18期23卷 3330-3337页

作者： Soo-Kyung Lim Seung Jin Yoo Dae Lim Koo Chae A Park Han Jun Ryu yong Jin Jung Ji Bong Jeong Byeong Gwan Kim kook Lae lee Seong-Joon Koh Department of Internal Medicine Seoul National University College of MedicineSeoul National University Boramae Hospital Department of Neurology Seoul National University Boramae HospitalSeoul National University College of Medicine

To investigate the role of sleep quality and psychosocial problems as predictors of functional gastrointestinal disorders (FGIDs) in doctors that work 24 hour-on-call *** this cross-sectional observation study, using the Rome III Questionnaire and Pittsburgh Sleep Quality Index (PSQI), we analyzed 170 doctors with 24 hour-on-call *** the participants that had experienced a 24 hour-on-call shift within the last 6 mo, 48 (28.2%) had FGIDs. Overall prevalence of irritable bowel syndrome (IBS) and functional dyspepsia (FD) were 16.5% and 17.1%, respectively, with 5.3% exhibiting both. Sleep scores (PSQI) (8.79 ± 2.71 vs 7.30 ± 3.43, P = 0.008), the presence of serious psychosocial alarm (83.3% vs 56.6%, P = 0.004), and the proportion of doctors who experienced over two months of recent on-call work (81.2% vs 68.9%, P = 0.044) were significantly different between individuals with or without FGIDs. Multivariate analysis revealed that presenting serious psychosocial alarm was an independent risk factor for prevalence of FD (OR = 5.47, 95%CI: 1.06-28.15, P = 0.042) and poor sleep quality (PSQI ≥ 6) was a predictor of IBS (OR = 4.17, 95%CI: 1.92-19.02, P = 0.016).CONCLUSIONPhysicians should recognize the role of sleep impairment and psychological stress in the development of FGIDs and a comprehensive approach should be considered to manage patients with FGIDs.

关键词： Psychosocial stress Sleep 24 hour-on-call shift Doctors Functional gastrointestinal disorders

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Role of ascites adenosine deaminase in differentiating between tuberculous peritonitis and peritoneal carcinomatosis

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World Journal of Gastroenterology 2012年第22期18卷 2837-2843页

作者： Seung Joo Kang Ji Won Kim Jee Hyun Baek Se Hyung Kim Byeong Gwan Kim kook Lae lee Ji Bong Jeong yong Jin Jung Joo Sung Kim Hyun Chae Jung In Sung Song Department of Internal Medicine and Liver Research Institute Seoul National University College of Medicine Department of Internal Medicine Seoul National University Boramae Hospital Department of Radiology Seoul National University College of Medicine

AIM： To investigate the usefulness of tumor markers and adenosine deaminase in differentiating between tuberculous peritonitis （TBP） and peritoneal carcinoma- tosis （PC）. METHODS： A retrospective analysis of data was per- formed on consecutive patients who underwent perito- neoscopic and abdominal computed tomography （CT） evaluations. Among 75 patients at the Seoul National University Hospital from January 2000 to June 2010 who underwent both tests, 27 patients （36.0%） and 25 patients （33.3%） were diagnosed with TBP and PC, re- spectively. Diagnosis was confirmed by peritoneoscopic biopsy. RESULTS： Serum c-reactive protein （7.88：1：6.62 mg/ dL vs 3.12 ＋ 2.69 mg/dL, P = 0.01）, ascites adenos- ine deaminase （66.76：1：32.09 IU/L vs 13.89 ：l： 8.95 IU/L, P 〈 0.01）, ascites lymphocyte proportion （67.77 ：1： 23.41% vs 48.36 ＋ 18.78%, P 〈 0.01）, and serum- ascites albumin gradient （0.72 ＋ 0.49 g/dL vs 1.05 ＋ 0.50 g/dL, P = 0.03） were significantly different be- tween the two groups. Among tumor markers, serum and ascites carcinoembryonic antigen, serum carbohy- drate antigen 19-9 showed significant difference be- tween two groups. Abdominal CT examinations showed that smooth involvement of the parietal peritoneum was more common in the TBP group （77.8% vs 40.7%） whereas nodular involvement was more common in the PC group （14.8% vs 40.7%, P = 0.04）. From receiver operating characteristic （ROC） curves ascites adeno- sines deaminase （ADA） showed better discriminative capability than tumor markers. An ADA cut-off level of 21 IU/L was found to yield the best results of differ- ential diagnosis; sensitivity, specificity, positive predic- tive value, and negative predictive value were 92.0%, 85.0%, 88.5% and 89.5%, respectively. CONCLUSION： Besides clinical and radiologic findings, ascitic fluid ADA measurement is helpful in the differen- tial diagnosis of TBP and PC.

关键词： Tuberculous peritonitis Peritoneal carcino-matosis, Adenosine deaminase, Peritoneoscopy

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