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한우의 림프절내 림프구양 세포에서 Theileria sergenti schizonts의 검출
이승옥,이주묵,권오덕,박진호,박상열,Lee, Seung-ok,Lee, Joo-mook,Kwon, Oh-deog,Park, Jin-ho,Park, Sang-youl 대한수의학회 1997 大韓獸醫學會誌 Vol.37 No.1
The life cycle of Theileria sergenti(T sergenti) in cattle, especially Korean native cattle, was not proved clearly. To find schizont stage in the life cycle of T sergenti in Korean cattle, T sergenti schizonts in the cells of parotid lymph nodes from 10 adult Korean cattle were examined. Lymphoid cells which were separated from these lymph nodes were cytocentrifuged to observe the parasites in the cells. T sergenti schizonts were detected in the cells of lymph nodes of 6 cattle out of them by IFA(Indirect Fluorescent Antibody) test and Giemsa stain. By peroxidase stain, the cells which contain schizonts were proved lymphoid cells. T sergenti schizonts identified by IFA test were able to be restained by Giemsa stain. Also, merozoites were observed in peripheral blood of the same 6 cattle that had schizonts, by giemsa stain, but not observed in the 4 cattle that had not been detected schizonts. As a part of life cycle of T sergenti, schizonts were observed in the lymphoid cells of Korean cattle.
이승옥 ( Seung-ok Lee ),임성균 ( Sung Kyun Yim ) 대한소화기학회 2018 대한소화기학회지 Vol.71 No.5
Acute cholecystitis is a common serious complication of gallstones. The reported mortality of acute cholecystitis is approximately 3%, but the rate increases with age or comorbidity of the patient. If appropriate treatment is delayed, complications can develop as a consequence with a grave prognosis. The current standard of care in acute cholecystitis is an early laparoscopic cholecystectomy with the appropriate administration of fluid, electrolyte, and antibiotics. On the other hand, the severity of the disease and patient’s operational risk must be considered. In those with high operational risks, gall bladder drainage can be performed as an alternative. Currently percutaneous and endoscopic drainage are available and show clinical success in most cases. After recovering from acute cholecystitis, the patients who have undergone drainage should be considered for cholecystectomy as a definitive treatment. However, in elderly patients or patients with significant comorbidity, operational risks may still be high, making cholecystectomy inappropriate. In these patients, gallstone removal using the percutaneous tract or endoscopy may be considered. (Korean J Gastroenterol 2018;71:264-268)
이승옥 ( Seung Ok Lee ),김성훈 ( Seong Hun Kim ) 대한내과학회 2012 대한내과학회지 Vol.83 No.1
Chronic pancreatitis is a debilitating disease with complications such as pancreatic duct stricture, duct stones, duct leak or fistulae, pseudocyst contributing to significant morbidity and mortality. Endoscopic intervention in patients with chronic pancreatitis compared to surgery has been known relatively safe and effective. Although there are several limitations, endoscopic intervention plays a specific role in carefully selected patients as primary interventional therapy when medical treatment was failed or patients are not suitable for surgery. In this review, we address the role of endoscopic intervention for chronic pancreatitis.
이승옥 ( Seung Ok Lee ),김성훈 ( Seong Hun Kim ) 대한내과학회 2011 대한내과학회지 Vol.80 No.3
It has been clarified that chronic infection with viruses such as hepatitis B virus, bacteria such as Helicobacter pylori and parasites contribute to carcinogenesis in human. Three helminth infections have been classified as definitely carcinogenic to humans (group I carcinogens), namely Schistosoma haematobium, which is associated with urinary bladder cancer and liver flukes Clonorchis sinensis and Opisthorchis viverrini associated with cholangiocarcinoma of the liver. Opisthorchis viverrini which has been extensively studied the association with cholangiocarcinoma is endemic in Southeast Asian countries including Thailand, Vietnam and Cambodia. Clonorchis sinensis infection which is common in rural areas of Korea and China has also been reported its definite association with cholangiocarcinoma. Carcinogenesis associated with liver flukes infections is a complex process hard to be studied because of long latency period and numerous other factors can play a role although chronic inflammation has been known as a key feature. Mechanical injury from the activities of migrating and sucking flukes contributes to biliary damage and chronic inflammation. The liver fluke also secretes or excretes metabolic products, some of which are highly immunogenic, toxic and promoting biliary epithelial cell proliferation. Host immune responses and immunopathological processes are also likely associated with chronic inflammation and carcinogenesis. Escape from host anti-tumor immune response and shift to Th2 response of Th1-Th2 balance are related with carcinogenesis. Biliary cell and its DNA damage can be induced by oxygen free radicals such as nitric oxide released from effector cells activated by inflammatory cytokines. Exogenous carcinogen suchas nitrosamine seemed also closely related with cholangiocarcinoma development in liver fluke infected individuals. In this paper, various and stepwise mechanisms of carcinogenesis by liver flukes and its potential targets can be intervene were reviewed. (Korean J Med 2011; 80:273-279)
증례 : 소화기 ; 고립 상장간막동맥박리로 스텐트 삽입 후 발생한 상장간막 동맥증후군
이승룡 ( Seung Ryong Lee ),김성훈 ( Seong Hun Kim ),남상우 ( Sang Woo Nam ),김인희 ( In Hee Kim ),김상욱 ( Sang Wook Kim ),이승옥 ( Seung Ok Lee ),이수택 ( Soo Teik Lee ) 대한내과학회 2011 대한내과학회지 Vol.80 No.2S
상장간막동맥증후군은 대동맥과 상장간막동맥이 이루는 각이 줄어들면서 십이지장의 폐쇄를 유발하는 매우 드문 질환이다. 여러 의학적 혹은 정신적 질환에 의해 급격한 체중감소가 발생하면 십이지장 제3부가 통과하는 대동맥과 상장간막동맥 간의 공간에 지방조직이 줄어서 발생하게 된다. 고립 상장간막동맥박리는 급성 장간막 허혈의 매우 드문 원인 중 하나인데, 장경색을 유발하거나 상장간막동맥의 파열의 위험이 높은 박리증의 치료는 응급수술이 우선이고, 생체활력징후가 정상이고, 증상이 심하지 않은 경우엔 보존적인 치료를 시행할 수 있다고 알려져 있다. 최근 몇몇 문헌에서 고립 상장간막동맥박리 때 경피 혈관 스텐트삽입술로 장경색으로의 진행을 막고 단기 예후가 좋다고 보고하고 있으나, 장기 예후에 관한 보고가 없고, 스텐트 관련 합병증이 보고된 것이 적어서, 혈관 스텐트삽입술의 안정성이 명확하게 밝혀지지 않은 상황이다. 본 저자들은 고립 상장간막동맥박리로 인한 급성 장간막 허혈로 경피 혈관 삽입술을 시행 후 발생한 상장간막동맥증후군 합병증을 치료한 증례를 최초로 경험하여 보고하는 바이다. Superior mesenteric artery (SMA) syndrome is a rare disorder, characterized by a decreased aortomesenteric angle that causes a duodenal obstruction. Various medical and psychiatric conditions may result in the initial rapid weight loss that causes narrowing of the aortomesenteric angle. Isolated dissection of the superior mesenteric artery (DSMA) is an uncommon cause of acute mesenteric ischemia. Several literature reports suggest that medical treatment in combination with close observation is reasonable in uncomplicated dissection with stable hemodynamic status. Recently, as several reports describe, rapid revascularization by percutaneous angioplasty and endovascular stent insertion can prevent bowel ischemia that progresses to irreversible bowel necrosis. However, the stability of endovascular stents at the DSMA has not been confirmed, because its use is reasonably infrequent. Here, we report a case of SMA syndrome, as a complication of endovascular stent placement at the DSMA. (Korean J Med 2011;80:S67-S72)