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위암 환자에서 위절제술후 나타나는 담도확장의 임상적 의의: 추적 CT 소견을 중심으로
윤구섭,백승연,이문규,김영환,오용호 울산대학교 의과대학 1993 울산의대학술지 Vol.2 No.1
A retrospective review of consecutive 35 patients'pre and post operative abdominal computed tomography was performed to determine frequency and degree of bile duct dilatation following Billroth Ⅱ operation for stomach cancer and it's clinical significance. Degree of intrahepatic biliary dilatation was classified as mild, moderate, marked according to the extension into central, middle and peripheral zone of liver, respectively. Three specialists on the abdominal image participated in analysis of those findings without prior information of the patients. Intrahepatic biliary dilatation was seen in 22 patients(63%) analysed by at least one radiologist, in 13 patients(37%) by at least two radiologists. Bile duct dilatation on CT was common finding and not necessarily meant tumor recurrence. Vagotomy and afferent loop resulted form Billroth Ⅱ were one of possible causes of bile duct dilatation. This study showed in the cases of bile duct dilatation without clinical and other radiological evidence of recurrence, no further study are needed and only enough to follow up study.
2009년 인플루엔자 대유행 중 인플루엔자 진료소 방문자의 연령 분포 변화
김백남,곽이경,문치숙,김연숙,김의석,배인규,염준섭,이창섭,허지안 대한감염학회 2010 감염과 화학요법 Vol.42 No.2
The pandemic influenza (H1N1 2009) virus, after being introduced in Korea in April, 2009, spread rapidly nationwide in mid-2009. This study was conducted to characterize trend in age distribution of visitors to Flu-clinics during the pandemic. Demographic, clinical and laboratory data of visitors to flu clinic from Week 36 to 52 (August 30 to December 26) of 2009 were retrieved and collected from electronic databases at 9 hospitals. Visitors 0-6, 7-12, 13-18, 19-29, 30-64, and 65 years or more of age were classified into group I to VI, respectively. A total of 107,467 visitors were seen at Flu-clinics for a 17-week study period. Of those, 32,485 were laboratory-confirmed. Antivirals were prescribed for 62,533 visitors. Numbers of visits, prescriptions of antivirals, and laboratory-confirmed cases of the pandemic influenza (H1N1 2009) peaked at Week 44. A large number of visits by group II and III were followed by those of group I and V, especially around the peak. Numbers of visits by group VI were lowest in all hospitals. In some hospitals, higher number of visits lasted longer in children than in adults while vice versa in other hospitals depending on the location. In summary, the pandemic influenza (H1N1 2009) was presumed to peak in late October and involved majorly children and students in Korea. Unique age distribution of visitors to flu clinic was observed in some hospitals.
A New High-quality and Semi-dwarf Blast-resistant Multiline Rice Cultivar "Anseongbyeo"
Yeon Gyu Kim,Hae Chune Choi,Ha Cheol Hong,Huhn Pal Moon,Hung Goo Hwang,Sang Nag Ahn,Yeong Seop Shin,Sae June Yang,Hong Yeol Kim,Seong Sook Han,Soo Yeon Cho,Rae Kyeong Park,Moo Nam C 한국육종학회 2003 한국육종학회지 Vol.35 No.3
Anseongbyeo is a japonicaseed weight of three near-isogenic lines of blast resistance. The recurrent parent, Suweon345, was a high-quality and semi-dwarf rice cultivar with susceptability to neck blast. The blast-resistance donors for each liens were SR12
Kim, Ji Yeon,Lee, Seung Soo,Byun, Jae Ho,Kim, So Yeon,Park, Seong Ho,Shin, Young Moon,Lee, Moon-Gyu American Roentgen Ray Society, etc.] 2013 AJR Vol.201 No.2
<P>The purpose of this study was to evaluate factors influencing hepatic enhancement and the conspicuity of hepatocellular carcinoma (HCC) on gadobenate dimeglu-mine- and gadoxetate disodium-enhanced hepatobiliary phase MR images.</P>
Yoon, Hye Sook,Kwon, Si Joong,Han, Myung Soo,Yu, Yeon Gyu,Yoon, Moon Young 한국미생물 · 생명공학회 2001 Journal of microbiology and biotechnology Vol.11 No.4
To elucidate the putative role of the amido group in the metal binding of the fuculose-l-phosphate aldolase from Methanococcus jannaschii, we have examined a potential target using site-directed mutagenesis. The replacement of asparagine 25 with leucine or threonine was shown to have a negative effect, not only on catalytic efficiency, but also on substrate recognition as well. The Hill coefficient values yielded a value of 1. All metals used with the wild-type aldolases exhibited higher activity than that of the mutants. The spectra of the mutants were quite different from the wildtype aldolase. A highly conserved amino acid of asparagine 25 in a related family of aldolase does not appear to provide sufficient evidence for evolution.
( Yeon Wook Kim ),( Nakwon Kwak ),( Moon Woo Seong ),( Eui Chong Kim ),( Chul Gyu You ),( Young Whan Kim ),( Sung Koo Han ),( Jae Joon Yim ) 대한결핵 및 호흡기학회 2014 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.118 No.-
Background: The Xpert MTB/RIF assay is endorsed by the WHO for detecting pulmonary and extrapulmonary tuberculosis (EPTB). The aim of this study was to determine the accuracy of the Xpert MTB/RIF assay in diagnosing EPTB in South Korea, which has an intermediate TB burden. Methods: We retrospectively reviewed the medical records of 1,426 patients in whom the Xpert MTB/RIF assay using extrapulmonary specimens was requested between January 1, 2011 and October 31, 2013 in a tertiary referral hospital in South Korea. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) for diagnosis of EPTB and detection of rifampicin resistance were calculated. Results: Using culture as gold standard, sensitivity, specificity, PPV, and NPV of the assay were 67.7%, 98.1%, 60%, and 98.6%, respectively. Higher sensitivity was shown among specimens including needle aspirates and biopsied tissues (85.7%), pus (75%), joint fluids (100%), and urine (100%). The sensitivity, specificity, PPV, and NPV for the detection of rifampicin resistance among specimens with positive results for M. TB were 80%, 100%, 100%, and 97.7%, respectively. Conclusions: The Xpert MTB/RIF assay showed acceptable sensitivity and excellent specificity for diagnosis of EPTB and detection of rifampicin resistance in a country with an intermediate TB burden.
Fluid Thickeners in Patients with Mild Dysphagia
Yeon Gyu Jeong,Hyun Im Moon 대한연하장애학회 2023 대한연하장애학회지 Vol.13 No.1
Objective: To compare the changes in blood urea nitrogen/creatinine (BUN/Cr) ratio, a dehydration status indicator, among patients with mild dysphagia depending on the addition of fluid thickeners. Methods: A total of 81 patients who underwent serial dietary trials of the videofluoroscopic swallowing study (VFSS) and displayed penetration signs with a penetration-aspiration scale of 4 or less during the liquid trials were enrolled and classified into two groups according to the dietary instructions from the VFSS results. Group A comprised patients who were permitted to freely consume water with a regular diet. Group B comprised patients allowed to take a regular diet but with the addition of a fluid thickener while ingesting water. To analyze whether the patients of each group were dehydrated, we calculated the serum BUN/Cr ratio using blood tests, which were performed within 1 week of the VFSS test date and 1 month later. Results: There were 4 cases of suspected pneumonia within 1 month after the VFSS test, with no significant differences between the two groups. The BUN/Cr ratio of the 1-month follow-up blood test when compared to the initial blood test showed a significant decrease in Group A (P=0.022) compared with Group B (P=0.033). Conclusion: Patients with mild dysphagia who consumed water freely showed a decrease in the BUN/Cr ratio compared to those who added fluid thickeners to their drinking w
Moon, Sunok,Jung, Ki-Hong,Lee, Do-Eun,Lee, Dong-Yeon,Lee, Jinwon,An, Kyungsook,Kang, Hong-Gyu,An, Gynheung Korean Society for Molecular Biology 2006 Molecules and cells Vol.21 No.1
<P>Most plant organs develop from meristems. Rice FON1, which is an ortholog of Clv1, regulates stem cell proliferation and organ initiation. The point muta-tions, fon1-1 and fon1-2, disrupt meristem balance, resulting in alteration of floral organ numbers and the architecture of primary rachis branches. In this study, we identified two knockout alleles, fon1-3 and fon1-4, generated by T-DNA and Tos17 insertion, respectively. Unlike the previously isolated point mutants, the null mutants have alterations not only of the reproductive organs but also of vegetative tissues, producing fewer tillers and secondary rachis branches. The mutant plants are semi-dwarfs due to delayed leaf emergence, and leaf senescence is delayed. SEM analysis showed that the shoot apical meristems of fon1-3 mutants are enlarged. These results indicate that FON1 controls vegetative as well as reproductive development by regulating meristem size.</P>