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김소양 ( Kim So Yang ),김지훈 ( Kim Ji Hun ),김창환 ( Kim Chang Hwan ),남순우 ( Nam Sun U ),김윤정 ( Kim Yun Jeong ),김진일 ( Kim Jin Il ),박수헌 ( Park Su Heon ),한준열 ( Han Jun Yeol ),김재광 ( Kim Jae Gwang ),정규원 ( Jeong Gyu 대한소화기학회 2003 대한소화기학회지 Vol.42 No.2
Pheochromocytoma, a catecholamine-producing tumor of the chromaffin tissue, may present with various features. Herein, we report case of 66-year-old woman with pheochromocytoma accompanying hyperamylasemia and acute abdomen. She was admitted to another hospital due to myocardial infarction 5 months ago. At that time, pheochromocytoma was suggested on the basis of hormonal studies, but she refused surgical resection. When she came to our hospital, serum amylase level was 703 U/L. Subsequent studies revealed pancreatic type isoenzyme, and elevated lipase level. After normalization of serum amylase level, she undertook laparoscopic adrenalectomy. On pathologic examination, pheochromocytoma was confirmed. There are several cases of pheochromocytoma with hyperamylasemia. In general, the source of hyperamylasemia was thought to be pulmonary endothelial cells under ischemic damage caused by potent vasoconstrictive action of circulating catecholamines. In our case, analysis of isoenzymes and serum lipase level suggest that hyperamylasemia can originate from the pancreas. Thus, pancreatitis also should be considered when serum amylase level is elevated in pheochromocytoma. (Korean J Gastroenterol 2003;42:172-175)
위, 식도의 정맥류 출혈을 보인 Klippel-Trenaunay-Weber 증후군
김지훈 ( Kim Ji Hun ),김창환 ( Kim Chang Hwan ),손동균 ( Son Dong Gyun ),정병화 ( Jeong Byeong Hwa ),양성은 ( Yang Seong Eun ),김진일 ( Kim Jin Il ),김재광 ( Kim Jae Gwang ),정인식 ( Jeong In Sig ) 대한소화기학회 2004 대한소화기학회지 Vol.43 No.2
Klippel-Trenaunay-Weber syndrome is a congenital vascular disorder consisted of a variety of vascular malformations, enlargement of the involved limb, and varicose veins. We report a case of Klippel-Trenaunay- Weber syndrome presenting portal hypertension and varices bleeding caused by hypoplasia of the portal vein. Portal hypertension was caused by portal vein hypoplasia associated with Klippel-Trenaunay-Weber syndrome. There were three episodes of variceal bleeding, and hemostasis were achieved by endoscopic band ligation, Sugiura operation, and splenic artery embolization respectively. Although successful hemostasis was achieved, an additional procedures to reduce portal hypertension were needed to prevent repeated episodes of variceal bleeding.(Korean J Gastroenterol 2004; 43:137-141)
위장관 종양의 진단에서 혈장 Tumor M2-Pyruvate Kinase의 유용성
김창환 ( Kim Chang Hwan ),김진일 ( Kim Jin Il ),박수헌 ( Park Su Heon ),한준열 ( Han Jun Yeol ),김재광 ( Kim Jae Gwang ),정규원 ( Jeong Gyu Won ),선희식 ( Seon Hui Sig ) 대한소화기학회 2003 대한소화기학회지 Vol.42 No.5
Pyruvate kinase (PK) is a key enzyme of glycolysis. Different isoforms of this enzyme are tissue-specifically expressed (M2-PK, M1-PK, R-PK, L-PK). The concentration of the dimeric M2-PK is increased in a metabolic state of tumor cells. In this case, the dimeric M2-PK is termed Tumor M2-PK. We investigated EDTA-plasma of 73 patients with gastrointestinal (GI) cancer and 61 healthy controls to evaluate its significance in diagnosing GI cancer. Methods: Plasma Tumor M2-PK was measured using an ELISA assay based on two monoclonal antibodies which specifically react with the dimeric Tumor M2-PK. Results: The sensitivity of Tumor M2-PK was 67.1% for all GI cancers, that of CA 19-9 was 38.4% and that of CEA was 34.3%. The specificity of Tumor M2-PK was 91.8% (cutoff=20 U/mL). Tumor M2-PK showed a high sensitivity in gastric cancer (62.2%), colorectal cancer (66.7%) and bile duct cancer (75.0%). In colorectal cancer, the combination of Tumor M2-PK with CEA resulted in a remarkable increase in the sensitivity (86.2%). The average Tumor M2-PK levels were generally elevated in the metastatic GI cancer patients compared to nonmetastatic patients, especially in stomach cancer with statistical significance (p=0.005). Conclusions: Tumor M2-PK in EDTA-plasma seems to be a new valuable tumor marker in GI cancer. (Korean J Gastroenterol 2003;42:387-393)
위장관 종양의 진단에서 혈장 Tumor M2-Pyruvate Kinase의 유용성
김창환 ( Kim Chang Hwan ),김진일 ( Kim Jin Il ),박수헌 ( Park Su Heon ),한준열 ( Han Jun Yeol ),김재광 ( Kim Jae Gwang ),한석원 ( Han Seog Won ),정인식 ( Jeong In Sig ),정규원 ( Jeong Gyu Won ),선희식 ( Seon Hui Sig ) 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
<목적> Pyruvate kinase (PK)는 당분해에 중요한 역할을 하는 효소로 조직 특이성을 가지는 여러 가지 동종효소(R-PK, L-PK, M1-PK, M2-PK)들이 존재한다. 이들 모든 동종형들은 활성상태에서 동형 사중체(homotetramer)로 존재하나 종양 세포에서는 대부분 이중체(dimeric) M2-PK로 존재하여 Tumor M2-PK로 명명되었다. Tumor M2-PK의 진단적 가치는 신장암, 췌장암, 폐암, 위암, 유방암 등에서