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최상운(Sang Woon Choi),이풍렬(Poong Lyul Rhee),송치성(Chi Sung Song) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.5
N/A 35 patients with space occupying lesions in liver underwent ultrasonography guided percutaneous fine neelde aspiration cytology. Liver abscess, cyst and metastatic cancer whose pathologic diagnosis could be made at primay focus were excluded. 18 cases (51.4 %) were hepatocellular carcinoma, 4 cases (11 4%) were cholangiocarcinoma, 7 cases (20.0%) were metastatic liver cancer, 1 case (2.9%) was regenerating nodule, and 5 cases (14.3%) were negative pathology. We also evaluated the diameter of lesion. 7 cases (26%) were found at less then 5 cm, 13 cases (48%) were found from 5.1 cm to 10 cm, 7 cases (26%) were found over 10 cm at initial ultrasonography or CT. 15 patients complained pain on needle aspiration site aind one patient showed hemoperitoneum and hepatic failure. In conclusion ultrasonography guided needle aspiration cytology is easy and sensitive method for patholgic diagnosis of space occupying lesion in liver. Efforts to find the space occupying lesion as soon as possible and increase the sensitivity of ultrasonography guided needle aspiration cytology would be needed
간염 (肝炎) B 바이러스 DNA 혈중농도 (血中濃度)와 HBeAg / Anti - HBe 와의 상관 관계
송인성(In Sung Song),김정룡(Chung Yong Kim),이효석(Hyo Suk Lee),최상운(Sang Woon Choi),서정선(Jeong Sun Seo) 대한소화기학회 1989 대한소화기학회지 Vol.21 No.4
N/A To evaluate the relationship between serum HBV DNA positivity and HBeAg/anti-Hbe status, and also the feasibility of HBeAg titer as an indirect parameter of serum HBV DNA level, 275 HBsAg- positive patients with acute and chronic liver disease were included in this study. The positive rate for serum HBV DNA in case of HBeAg positive/anti-HBe negative, HBeAg negative/anti-HBe negative, and HBeAg negative/anti-HBe positive was 92.5%, 63.3%, and 40.4%, respectively. Although the positive rate of HBV DNA in case of HBeAg positive/anti-HBe negativie was singificantly higher (p < 0.05) than the others, it was as high as about 50% (82/169) even in HBeAg negative cases regardless of anti-HBe positivity. The close correlation between log2 HBeAg titer and HBV DNA level in the serum was not demonstrable. We could, therfore, conclude that either detection of IIBeAg or measurement of HBeAg titer could not replace the determination of serum HBV DNA for the evaluation of infectivity of the HBsAg positive sera.
소화성 궤양 , 위염 및 기능성 위장장애 환자에서 Campylobacter Pylori 의 검출과 이에 대한 혈청 IgG 항체가의 의미
송인성(In Sung Song),김정룡(Chung Yong Kim),이효석(Hyo Suk Lee),최상운(Sang Woon Choi),최규완(Kyu Wan Choi),윤용범(Yong Bum Yun),정현채(Hyun Chae Jung),송영욱(Yung Wook Song),김의종(Eui Chong Kim),김우호(Wu Ho Kim) 대한소화기학회 1988 대한소화기학회지 Vol.20 No.1
N/A To assess the detection rate of Campylobactes pylori, the frequency of histological gastritis and the serum level of IgG antibody to C. pylori, we have studied 142 patients with upper gastrointestinal disorders including peptic ulcer, erosive gastritis and non-ulcer dyspepsia. The results were as follows: 1) There was no difference of detection rate of C. pylori among the peptic ulcer, erosive gastritis and endoscopically normal subjects. 2) There was no difference of serum level of IgG antibody to C. pylori measured by ELISA method among the various disease states. 3) When C. pylori was present in the gastric mucosa, histological active gastritis was detected more frequently (p < 0.005). 4) In patients with histological chronic or active gastritis accompanied by gastric C. pylori, the serum level of IgG antibody to C. pylori was higher than that in persons with normal histology and negative C. pylori. 5) Among the endoscopically normal patients, the serum level of IgG antibody to C. pylori of the patients complaining hunger pain was higher than that of no pain. In conclusion, C. pylori may be one of the etiologies of gastritis and non-ulcer dyspepsia rather than the etiology of peptic ulcer.
우철웅 ( Woo Chull Woong ),최상운 ( Choi Sang Woon ),장병욱 ( Chang Pyoung Wuck ) 한국농공학회 2002 한국농공학회 학술대회초록집 Vol.2002 No.-
Recently, attempts to use indigenous plants have been made for the recovery of nature of slopes and making permanent vegetation group, harmonizing with surroundings from the ecological perspective. For surface failure prevention of slopes, indigenous plants are known as superior to those of exotic grasses, but studies how much indigenous plants influence shear strength of soil is lacking. Therefore, in this study, strength increasement of the root-soil system were investigated for four indigenous plants.
안진희 ( Jin Hee Ahn ),최상운 ( Sang Woon Choi ),김문석 ( Moon Suk Kim ),정희정 ( Hee Jung Jung ),김광록 ( Kwang Rok Kim ),이우길 ( Woo Gil Lee ),오광석 ( Kwang Seok Oh ),민용기 ( Yong Ki Min ),김성수 ( Sung Soo Kim ) 한국조직공학과 재생의학회 2006 조직공학과 재생의학 Vol.3 No.2
Stem cell biology is a fast growing field offering new opportunities for the treatment of many devastating diseases, as well as providing new insights into the molecular mechanisms that control developmental processes. Realization of these potentials will require a better understanding of the signaling pathways that control stem cell fate and an improved ability to manipulate stem cell proliferation and differentiation. Small molecules have been identified that regulate osteogenesis of stem cell and can be used as probes of the underlying biology.