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이유리(You-ri Lee),박동규(Dong-Gue Park),황유동(Yu-dong Hwang),유승엽(Seung-Yeop Yoo) 한국통신학회 2009 韓國通信學會論文誌 Vol.34 No.6D
유비쿼터스 환경에서의 원격 의료 서비스가 제대로 갖춰지게 된다면 언제 어디서라도 응급 처치를 위한 치료가 가능하다. 이것은 사용자가 언제 어디서나 의료 데이터에 접근 할 수 있다는 것을 의미하며 이는 의료 데이터 보안을 위협하는 단점이 될 수 있다. 의료 데이터 보안에 대한 위협은 환자의 생명과 관련된 중요한 정보에 큰 위협을 가져 올 수 있다. 따라서 본 논문에서는 이러한 문제 해결을 위하여 유비쿼터스 환경에서의 원격 의료 서비스에 적합한 접근제어 모델을 제안하였고 이 모델을 이용하여 유비쿼터스 환경에서 원격 의료 서비스를 이용하는 사용자의 프라이버시 보호 및 유동성 있고 세밀한 접근제어가 가능하다. If tele-medical service in ubiquitous environment is equiped properly, treatment for a first-aid treatment is available whenever and wherever. That means that user can approach to medical treatment data always and can get into shortcoming that threaten medical treatment data security. Threat about medical treatment data security can bring big threat to important information connected with life of patient. Therefore, in this paper, proposed suitable access control model in tele-medical service in ubiquitous environment for these problem solution. There is privacy protection and fluidity of user who use tele-medical service in ubiquitous environment using this model and minute access control is available.
A Case of Primary Hepatic Malignant Paraganglioma without Hypertension
Heuy Seong Lee(이희성),Hyung Geun Lee(이형근),Dong Do You(유동도),Jin Seok Heo(허진석),Seong Ho Choi(최성호),Dong Wook Choi(최동욱) 한국간담췌외과학회 2009 한국간담췌외과학회지 Vol.13 No.1
Paraganglioma is an unusual neoplasm that is embryologically derived from neural crest cells. The most common location of this neoplasm is the adrenal medulla, where these tumors are known as pheochromocytoma. It is extremely rare that paragangliomas occur in the liver. There are only 7 reports of primary hepatic paraganglioma. A 56-year-old man was referred to XX Medical Center. Hypertension was not found. He had suffered from jaundice, headache and weight loss for the 4 previous weeks, but hypertension was not present. The total bilirubin was 7.7 mg/dl and the CA19-9 level was 56.3 U/dl. The tumor was diagnosed as intrahepatic cholangiocarcinoma on the computed tomography image. After biliary drainage via endoscopic nasobiliary drainage, surgical exploration was carried out; right trisectionectomy with caudate lobectomy, portal vein resection and anastomosis were then done. The final pathological diagnosis was primary hepatic malignant paraganglioma of the intrahepatic duct. There has been no evidence of recurrence on the follow up CT images during the 24 month follow up period.
제한적 절제술과 근치적 절제술 후의 췌장루와 당뇨 발생에 대한 비교분석
최민영(Min Young Choi),유동도(Dong Do You),이형근(Hyung Geun Lee),허진석(Jin Seok Heo),최성호(Seong Ho Choi),최동욱(Dong Wook Choi) 한국간담췌외과학회 2009 한국간담췌외과학회지 Vol.13 No.3
Purpose : Pancreaticoduodenectomy (PD) or distal pancreatectomy (DP) are treatments used for pancreatic benign neoplasms even though both of these treatments result in significant loss of normal pancreatic parenchyma; this leads to subsequent impaiment of exocrine and endocrine pancreatic function. The purpose of this study is to provide short-and long-term result of limited resection (LR) in a single center. Methods : Two-hundred thirty patients who had undergone pancreatic resection between April 1998 and September 2008 for benign neoplasms were reviwed retrospectively. DP was performed in 102 patients, LR in 77, PD in 51 patients. The definitions of the International Study Group of Pancreatic Fistula (ISGPF) were applied to postoperative pancreatic fistulas (POPF), perioperative endocrine function was evaluated through oral glucose tolerance test. Results: LR includes 42 enucleation, 24 central pancreatectomy, and 11 uncinate process resection, No deaths occurred to patients during the study review period; POPF was detected in 50 patients(65%), 37 patients with grade A and 13 patients with grade B of C, POPF occurred 65% of the time after LR, more frequently compared to the occurrance after PD of DP (58%), but this was not statistically significant (P=322). After LR, there waere 2 patients with new onset diabetes(3%), while 26(17%) patients developed diabetes after DP or PD(P=002). Comcpusion : LR may preserve endocrine and exocrine function, While motality is low with the use of LR is associated with a higher pancreatic-leaking rate. The precise management of benign pancreatic lesions remains evolution.