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신현욱(Hyun Wook Shin),홍성우(Seong Wo Hong),장여구(Yeo Goo Chang),한구용(Ku Yong Hann),백인욱(In Wook Paik),이혁상(Hyucksang Lee) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.73 No.1
Purpose: Thrombocytosis is commonly associated with various tumors, including stomach, ovarian, lung, liver and pancreas cancers. Some clinical reports have shown thrombocytosis to be associated with the disease stage and prognosis. This study investigated the prevalence of the thromobocytosis in patients with colorectal cancer, and its association with the prognosis. Methods: Two hundreds ninety-six patients with colorectal cancer who had been surgically treated at our hospital between 1997 and 2004 were enrolled in this study. The incidence, relationship with other clinicopathological factors, and the prognostic value of thrombocytosis were evaluated retrospectively. Results: Thirty-seven of the 290 (12.8%) patients had thrombocytosis. The incidence of thrombocytosis was examined with regard to gender (P=0.018), tumor location (P=0.021), and T stage of tumor (P<0.000). Univariate analysis demonstrated thromobocytosis, T stage, N stage, M stage, venous invasion, lymphatic invasion, and elevated carcinoembryogenic antigen (≥5 ng/ml) to be associated with both the disease-free survival (DFS) and overall survival (OS). Multivariate analysis revealed thrombocytosis to be significantly associated with the disease-free survival (P=0.026). Conclusion: Preoperative thrombocytosis appears to be an independent prognostic indicator of the DFS in patients with colorectal cancer.
왕희정,백인욱,유석진,오미혜,서연림,장석효,이혁상 인제대학교 1994 仁濟醫學 Vol.15 No.1
유암예후에 영향을 미치는 전통적 3인자로 종양의 크기, 전이액와임파절의 수 및 menopausal status를 들 수 있고, 이 외에 최근에는 면역학과 분자생물학의 비약적 발달로 호르몬 수용체, DNA ploidy, cathepsin D, pS2 protein 및 다양한 oncogene들의 증폭이나 과발현 등이 새로운 독립적 예 후인자로 보고되고 있다. 저자들은 유암 110례의 10년 추적조사 성적을 기반으로 이들 새로운 예후인자중 c-erbB-2 oncoprotein, cathepsin D 및 pS2 protein의 과발현이 전통적 예후인자들과 상관성이 있는지와 독립적 예후인자로서 의의가 있는지를 확인하고자 본 연구에 착수하였다. This study was undertaken to define the prognostic value of the overexpression of c-erbB-2 oncoprotein, cathepsin D and pS2 protein in 40 breast cancer patients. The results were as follows : 1.Overall, 32% of patients were positive for c-erbB-2 oncoprotein. Positive staining correlated with menopause status, tumor size and TNM staging, but not wish axllary nodal status. Although there was apparent difference in cumulative survival rates between positive-and negative-staining groups, it was not statistically significant(p=0.0625). 2.52.5% of patients were positive for cathepsin D. Positive staining did not correlate with menopause status, axillary nodal status or tumor size. There was no statistical difference in cumulative survival rates between positive-and negative-staining groups of cathepsin D. 3.57.5% of patients were positive for pS2 protein. Positive staining did not correlate with menopause status, axillary nodal status, tumor size or tumor stage. There was no statistical difference in cumulative survival rates between positive-and negative-staining groups of pS2 protein.
간세포암에서 Vimentin과 MMP2 발현의 임상적 의의
이은신(Eun Sin Lee),홍성우(Seong Woo Hong),강윤경(Yun Kyung Kang),이우용(Woo Yong Lee),장여구(Yeo Goo Chang),백인욱(In Wook Paik),이혁상(Hyucksang Lee) 한국간담췌외과학회 2009 한국간담췌외과학회지 Vol.13 No.2
Background / Purpose: Hepatocellular carcinoma (HCC) is a common cancer with a poor prognosis. A better understanding of the molecular mechanisms underlying the genesis of HCC, as well as the progression of HCC, allow for improved prediction of the prognosis of patients with HCC and more effective treatment. In this study, we determined the expression of vimentin and matrix metalloproteinase 2 (MMP 2) and evaluated the clinical significance in (HCC). Methods: Immunohistochemical staining was performed for vimentin and MMP 2 in 98 surgically resected HCC specimens using the tissue microarray method. The clinicopathologic data and the outcomes were reviewed, and the levels of expression of vimentin and MMP 2 were compared. Results: Positive expression of vimentin and MMP 2 was observed in 7.1% and 41.8% of specimens, respectively. The overexpression of vimentin and MMP 2 had a positive correlation with tumor cell proliferative activity, as measured by the Ki-67 labeling index (p<0.001 and p=0.043, respectively), but was not correlated with the TUNEL labeling index. Other clinicopathological factors, such as platelet count, serosal invasion, Edomondson grade, capsule infiltration, TNM stage(UICC, 6th edition) and extrahepatic metastases in patients with recurrences had a significant correlation with vimentin. The presence of portal vein thrombosis approached statistical significance with MMP 2 expression. In the survival analysis, overexpression of vimentin and MMP 2 was correlated with a poor overall survival rate based on univariate analysis (p=0.002 and, p=0.047, respectively), but not based on multivariate analysis. Conclusion: In HCC, vimentin and MMP 2 may have a role in cancer progression with more aggressive potential, thus suggesting their use as a prognostic markers in HCC.
홍성우,백인욱,이혁상 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Filiform polyposis(FP) is a rare condition that is usually associated with chronic inflammatory bowel disease, especially Crohn's disease and ulcerative colitis. Furthermore, there are only a few cases of filiform polyposis without inflammatory bowel disease. We report an unusal case of an 63 years old woman who had multiple fillform polyps, adenomatous polyps and adenocarcinoma.
홍성우,백인욱,이혁상 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Splenic cyst is a relatively rare disease. The majority(two thirds) are parasitic, caused by Ecchinococcus granulosus. True non-parasitic splenic cysts represent one quarter of all non-parasitic splenic cysts, the remainder being pseudocysts. The majority of true non-parasitic splenic cysts are epidermoid cyst. We experienced a case of true splenic cyst, successfully treated with splenectomy. We report this case with brief review of the literature.