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Sump 증후군에 의한 간농양의 간위루를 통한 자발성 농양배액 1예
황재진,하창윤,장현정,윤은영,주지현,안연정,민현주,김태효,김현진,정운태,이옥재,이선영 이화여자대학교 의과학연구소 2010 EMJ (Ewha medical journal) Vol.33 No.2
A 55-year-old man was admitted to our hospital with symptom of fever, chilling, abdominal discomfort and weight loss for 2months. Abdominal computed tomography(CT) revealed a 5×3.75 cm sized low attenuated lesion in the left lateral segment of liver. Esophagogastrodedodenoscopy showed a fistula with dirty exudates at the fundus and a yellowish stone and food debris at the choledochoduodenostomy site. Endoscopic retrograde cholangiopancreatography (ERCP) was performed and stone and food materials in common bile duct was removed with snare and basket. We experienced a case of liver abscess due to sump syndrome and spontaneous drainage to the stomach.
황재진,김태효,김완수,장현정,김홍준,김현진,정운태,이옥재 대한소화기내시경학회 2010 Clinical Endoscopy Vol.41 No.5
Diagnoses of cystic lesions in the pancreas are increasing in clinical practice because of the wider use of imaging studies. The selection of appropriate treatment depends on the ability to distinguish between benign and malignant cysts. However, cystic pancreatic neoplasms are sometimes misdiagnosed as pseudocysts and treated improperly. We experienced a case of mucinous cystic neoplasm of the pancreas misdiagnosed as a pseudocyst, which had a communication between the cyst and the main pancreatic duct. 점액성 낭선종은 췌장 낭선종양의 10∼15%를 차지하며 악성화의 가능성이 있다. 수술적 절제가 필요한 점액성 낭선종을 가성낭종을 포함한 양성 췌장 낭성 질환으로 오인하여 적절한 치료가 지연된 예들이 간혹 보고되고 있다. 저자들은 췌장염의 병력과 주췌관과 낭종의 연결이 있어 가성 낭종으로 오인하였던 점액성 낭선종을 경험하여 보고한다.
황재진,이인석,김현주,정최경희,박진욱,정명철 대한산업공학회 2011 산업공학 Vol.24 No.4
This study was aiming to examine work time. frequency, work environment, and postures of retail grocery store workers to evaluate the risk of musculoskeletal disorders. An ergonomic evaluation was conducted using job analysis and posture analysis. The four most time-consuming tasks were inspecting (27.4%), arranging (21.4%), cutting (17.6%), and displaying (15.6%). The height and length of the shelves evaluated in the field was inappropriate for workers. The most common posture was a standing posture with neutral back, and bent head, right upper arm, lower arms, and hands. Finally, this paper concluded that 'arranging,' 'cutting,' and 'displaying' seemed more stressful than other operations. The result of the ergonomic evaluation would contribute to design a better workspace in ergonomics.
혈액투석을 위한 이중도관 삽입 후 생긴 가성동맥류의 치료
황재진 ( Jae Jin Hwang ),김완수 ( Wan Soo Kim ),전대홍 ( Dae Hong Jeon ),강여진 ( Yeo Jin Kang ),박동준 ( Dong Jun Park ),장세호 ( Se Ho Chang ),신태범 ( Tae Bum Shin ),김현정 ( Hyun Jung Kim ) 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.5
In patients with end-stage renal disease, cannulation of the central venous system with large-bore dual-lumen catheters is often necessary until a functioning vascular access can be created. However, the technique of placing a dual-lumen catheter can make complication. The right internal jugular vein is the preferred site of hemodialysis catheter placement because its complication rate was lower compared with the subclavian and left internal jugular veins. Common complications include severe bleeding, hematoma formation, pneumothorax and hemothorax, atrial or ventricular arrhythmias, malposition of the catheter, air embolism, secondary infections, and intraarterial placement of the catheter. We report an unusual case of pseudoaneurysm of the superior thyroidal artery complicating an attempt of internal jugular-vein catheterization which was successfully treated by endovascular coil embolization.
황재진 ( Jae-jin Hwang ),김용범 ( Yong-bum Kim ),채현석 ( Hyen-seok Chae ),최명렬 ( Myung-ryul Choi ) 한국정보처리학회 2004 한국정보처리학회 학술대회논문집 Vol.11 No.1
정보화 물결과 더불어 산업 및 사회 전반에 걸쳐 정보의 중요성은 나날이 증가하고 있다. 특히 인터넷을 기반으로 한 정보 교환과 통신 서비스들이 활발하게 이루어지고 있다. 신뢰성 있는 정보 교환을 위해서 정보 보호 메카니즘은 필수적이다. 많은 암호 알고리즘들이 소프트웨어 방식으로 구현되어 왔는데, 암호화 속도나 해킹에 대한 취약성이 문제되고 있다. 고속의 암호화와 보다 안전한 정보의 관리를 위해서는 암호 알고리즘의 하드웨어 구현이 요구된다. 본 논문에서는 AES의 후보 암호 알고리즘으로 채택되었으며, 우수한 암호 알고리즘으로 평가받고 있는 RC6를 하드웨어로 구현해 보았다.