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류동도,엄준원,손길수,조민영,송태진,김종석,목영재,김승주,Ryu Dong Do,Um Jun Won,Son Gil Soo,Cho Min young,Song Tae Jin,Kim Chong Suk,Mok Young Jae,Kim Seung Joo 대한위암학회 2003 대한위암학회지 Vol.3 No.3
Purpose: Because of an improving gastric cancer detection program and treatment methods, we can expect improved survival of patients with gastric cancer. Given the longer survival times, the chance of an occurrence of multiple primary malignant tumors other than stomach is increased in the same patients. The purpose of this study is to analyze the clinical characteristrics and the survival of patients with gastric cancer and other malignancies. Materials and Methods: A retrospective study of 3669 patients with gastric cancer observed at our department between January 1994 to December 2002 was conducted. Associated tumors were diagnosed using the Warren and Gates criteria, and included tumors that were not considered to be a metastasis, invasion, or recurrence of the gastric cancer. Results: Of all 3669 patients, $2.07\%$ (n=76) had primary tumors other than gastric cancer, $63\%$ of which were synchronous (n=48) and $37\%$ metachronous (n=28). The mean age of the study group was 64.9 (65.5 in males, 61.8 in females), and the male-to-female ratio was 4.8 : 1. The most common cancer associated with gastric cancer was a hepatocellular carcinoma ($23.7\%$), followed by colorectal cancer ($17.1\%$), esophageal cancer ($10.5\%$), breast cancer ($6.6\%$). Of the 45 patients who had undergone a resection, 14 were in stage I, 12 in stage II, 13 in stage III, and 6 in stage IV. No statistically significant differences were found between the synchronous and the metachronous groups with regard to age, sex ratio, differentiation, and stage. The 5-year survival rates of the metachronous and the resected patients were significantly higher than those of the synchronous and the non resected patients, respectively. Conclusion: Due to increasing length of the follow-up period for patients with gastric cancer, another malignancy may develop in other organs. Therefore, physicians should pay attention to detect other cancers early in these patients, and a surgical resection is recommended as the treatment of choice in the management of multiple primary cancer associated with gastric cancer.
류동현,이호근,김규형,Ryu, D.H.,Lee, H.G.,Kim, K.H. 한국전자통신연구원 2010 전자통신동향분석 Vol.25 No.4
2010년 4월을 뜨겁게 달군 천암함 사태 때 사고 수색을 위해 생계인 조업도 포기하고 달려온 '98 금양호'가 침몰하였지만 금양호에 탑재된 조난 위치 자동발신장치는 1세대 탐색구조 단말기로 GPS 수선이 되지 않는 신호 장치였다고 한다. 만일 GPS 수신기가 탑재된 탐색구조 단말기가 설치되어 있었다면 상황은 달라졌을 것이다. 이와 같이 국가기반 재난뿐만 아니라 사회적 재난에 대한 대책마련이 중요시 되고 있다. 이에 u-방재 City 모델, u-Safe Korea 등 안전 및 방재에 관한 다양한 가이드 라인이 마련되고 있다. 본 고에서는 u-방재 서비의 개념 및 현황, u- 방재 서비스와 기술 동향에 대하여 기술하고자한다.