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Importance of the surrounding colonic mucosa in distinguishing between hyperplastic and adenomatous polyps during acetic acid chromoendoscopy

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World journal of Gastroenterology 2008年第12期14卷 1903-1907页

作者： Jeong Hwan Kim Sun-Young Lee Byung Kook Kim Won Hyeok Choe So Young Kwon In-Kyung Sung Hyung-Seok Park choon-jo jin Department of Internal Medicine Konkuk University School of Medicine Seoul 143-729 Korea

AIM: To examine the characteristics of colonic polyps, where it is difficult to distinguish adenomatous polyps from hyperplastic polyps, with the aid of acetic acid chromoendoscopy. METHODS: Acetic acid spray was applied to colonic polyps smaller than 10 mm before complete excision. Endoscopic images were taken before and 15-30 s after the acetic acid spray. Both pre-and post-sprayed images were shown to 16 examiners, who were asked to interpret the lesions as either hyperplastic or adenomatous polyps. Regression analysis was performed to determine which factors were most likely related to diagnostic accuracy. RESULTS: In 50 cases tested by the 16 examiners, the overall accuracy was 62.4% (499/800). Regression analysis demonstrated that surrounding colonic mucosa was the only factor that was significantly related to accuracy in discriminating adenomatous from hyperplastic polyps (P < 0.001). Accuracy was higher for polyps with linear surrounding colonic mucosa than for those with nodular surrounding colonic mucosa (P < 0.001), but was not related to the shape, location, or size of the polyp. CONCLUSION: The accuracy of predicting histology is significantly related to the pattern of colonic mucosa surrounding the polyp. Making a histological diagnosis of colon polyps merely by acetic acid spray is helpful for colon polyps with linear, regularly patterned surrounding colonic mucosa, and less so for those with nodular, irregularly patterned surrounding colonic mucosa.

关键词： Colon polyp Chromoendoscopy Acetic acid

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Hepatobiliary scintigraphy for detecting biliary strictures after living donor liver transplantation

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World journal of Gastroenterology 2011年第21期17卷 2626-2631页

作者： Yu jin Kim Kyu Taek Lee Young Cheol jo Kwang Hyuck Lee jong Kyun Lee Jae-Won joh choon Hyuck David Kwon Department of Medicine Samsung Medical CenterSungkyunkwan University School of Medicine Department of Surgery Samsung Medical CenterSungkyunkwan University School of Medicine

AIM:To investigate the diagnostic accuracy of hepatobiliary scintigraphy(HBS) in detecting biliary strictures in living donor liver transplantation(LDLT) ***:We retrospectively reviewed 104 adult LDLT recipients of the right hepatic lobe with duct-toduct anastomosis,who underwent HBS and *** HBS results were categorized as normal,parenchymal dysfunction,biliary obstruction,or bile leakage without *** presence of biliary strictures was determined by percutaneous cholangiography or endoscopic retrograde cholangiopancreatography(ERCP).RESULTS:In 89 patients with biliary strictures,HBS showed biliary obstruction in 50 and no obstruction in 39,for a sensitivity of 56.2%.Of 15 patients with no biliary strictures,HBS showed no obstruction in 11,for a specificity of 73.3%.The positive predictive value(PPV) was 92.6%(50/54) and the negative predictive value(NPV) was 22%(11/50).We also analyzed the diagnostic accuracy of the change in bile duct *** sensitivity,NPV,specificity,and PPV were 65.2%,27.9%,80% and 95%,***:The absence of biliary obstruction on HBS is not ***,when post-LDLT biliary strictures are suspected,early ERCP may be considered.

关键词： Living donor liver transplantation Tc99m mebrofenin Radionucleotide imaging Hepatobiliary scintigraphy Biliary stricture

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Productivity and Nutritive Values of Sorghum×Sudan Hybrid（SSH） Under SSH-Based Double Cropping Systems in Paddy Land 3rd

Productivity and Nutritive Values of Sorghum×Sudan Hybrid（...

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The 3rd Korea-China-Japan joint Symposium on Grassland Agriculture and Livestock Production

作者： Nam Chul jo Ki choon Choi Sang Pil Na Chang Yoon Wan Bang Yook National Institute of Animal Science RDASeonghwan-EupCheonan-SiChungnam 330-801 Korea College of Animal Bioscience and Technology Konkuk University Dept.of Animal Resources and Biotechnology Chonbuk National University

＜正＞This study was carried out to investigate the productivity and nutritive values of SSH under Double-cropping SSH followed by whole crop barley（SSFWB） or by Hairy vetch（SSFHV） in paddy land.A field study was conducted at Baeksan-myeon,Kimje,Jeonbuk province in Korea on clay loam soil for 3 *** plots were arranged in completely randomized design with three *** yield of SSH in SSFWB treatment was higher than that of SSFHV（P＜0.05）.All nutrients values of SSH were not influenced by the cropping ***,all nutrients of SSH in SSFWB treatment were just a little increase,compared with those of SSFHV.

关键词： Cattle slurry Cropping system Sorghum x Sudan hybrid Hairy vetch Nutritive value

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Properties of Soil and Leaching Water Under Sorghum×Sudan Hybrid-Based Double Cropping Systems in Paddy Land

Properties of Soil and Leaching Water Under Sorghum×Sudan H...

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The 3rd Korea-China-Japan joint Symposium on Grassland Agriculture and Livestock Production

作者： Nam Chul jo Ki choon Choi Sang Pil Na Chang Yoon Yang Seung Hak Wan Bang Yook National Institute of Animal Science RDASeonghwan-EupCheonan-SiChungnam 330-801 Korea College of Animal Bioscience and Technology Konkuk University Dept.of Animal Resources and Biotechnology Chonbuk National University

This study was carried out to investigate the properties of soil and water under Double-cropping SSH followed by whole crop barley(SSFWB) or by Hairy vetch(SSFHV) in paddy land.A field study was conducted at Baeksan-myeon,Kimje,Jeonbuk province in Korea on clay loam soil for 3 *** plots were arranged in completely randomized design with three *** pH and the contents of T-N and organic matter (OM) in soil samples collected at the end of the experiment were remarkably higher than those at the beginning of the experiment in both SSFWB and SSFHV treatment(P<0.05).The contents of an exchangeable cations at the end of the experiment were remarkably higher than those at the beginning of the experiment in both SSFWB and SSFHV (P<0.05).And then,the concentration of NO-N,NH-N and PO-P in discharge and leaching water were not influenced by the cropping system

关键词： Cattle slurry Sorghum x Sudan hybrid Hairy vetch Soil properties Leaching water

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