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안형우,이경희,김지항,김정재,김정훈,이경원 대한영상의학회 2018 Korean Journal of Radiology Vol.19 No.3
Objective: To determine if measurement of the diameter of the solid component in subsolid nodules (SSNs) on low-dose unenhanced chest computed tomography (CT) is as accurate as on standard-dose enhanced CT in prediction of pathological size of invasive component of lung adenocarcinoma. Materials and Methods: From February 2012 to October 2015, 114 SSNs were identified in 105 patients that underwent low-dose unenhanced and standard-dose enhanced CT pre-operatively. Three radiologists independently measured the largest diameter of the solid component. Intraclass correlation coefficients (ICCs) were used to assess inter-reader agreement. We estimated measurement differences between the size of solid component and that of invasive component. We measured diagnostic accuracy of the prediction of invasive adenocarcinoma using a size criterion of a solid component ≥ 6 mm, and compared them using a generalized linear mixed model. Results: Inter-reader agreement was excellent (ICC, 0.84−0.89). The mean ± standard deviation of absolute measurement differences between the solid component and invasive component was 4 ± 4 mm in low-dose unenhanced CT and 5 ± 4 mm in standard-dose enhanced CT. Diagnostic accuracy was 81.3% (95% confidence interval, 76.7−85.3%) in low-dose unenhanced CT and 76.6% (71.8−81.0%) in standard-dose enhanced CT, with no statistically significant difference (p = 0.130). Conclusion: Measurement of the diameter of the solid component of SSNs on low-dose unenhanced chest CT was as accurate as on standard-dose enhanced CT for predicting the invasive component. Thus, low-dose unenhanced CT may be used safely in the evaluation of patients with SSNs.
안형우,전은주,이학종,황성일,Dong-Ju Choi,In-Ho Chae,이경원 대한영상의학회 2018 Korean Journal of Radiology Vol.19 No.2
Although the causes of hypertension are usually unknown, about 10% of the cases occur secondary to specific etiologies, which are often treatable. Common categories of secondary hypertension include renal parenchymal disease, renovascular stenosis, vascular and endocrinologic disorders. For diseases involving the renal parenchyma and adrenal glands, ultrasonography (US), computed tomography (CT) or magnetic resonance (MR) imaging is recommended. For renovascular stenosis and vascular disorders, Doppler US, conventional or noninvasive (CT or MR) angiography is an appropriate modality. Nuclear imaging can be useful in the differential diagnosis of endocrine causes. Radiologists should understand the role of each imaging modality and its typical findings in various causes of secondary hypertension. This article focuses on appropriate imaging approaches in accordance with the categorized etiologies leading to hypertension.
가정의학과 외래 방문환자의 가정의학 및 의료전달체계에 관한 인식
안형우,이미은,강희철,배철영,신동학 啓明大學校 醫科大學 1991 계명의대학술지 Vol.10 No.3
The family medicine has been introduced in Korea since 1978 and started at Dong San Medical Center, Keimyung University since 1989. Since then, a lot of progress and achivements ahs been made in the development of family medicine as the new descipline which modify and compenaste the disadvantages of speciality system fragmented health care which has been adopted since early 1960. However, there has been a few base line data on family medicine, especially in Daegu. Therefore, to assess the knowledge, attitude and pract6ice toward the family medicine and health care delivery system among general population in daegu will be beneficial to the future development of family medicine. At first, 500 patients who came to the family medicine department were selected as the sample for this study and the following results were obtained. 1. The rate of respondents who have ever heard about family medicine was increased from 34.6% to 79.8%, when compared with the results done 6 months ago. 2. The rate that multiple complaints patients with want to visit family medicine department was 84.4%. 3. The rate of respondents who thought that family medicine is necessary for the Korean medical care was increased from 60.2% to 78.0%, when compared with the results done 6 months ago. 4. The rate of respondents who have ever heard about health care delivery system was from 51.6% to 47.4%, when compared with the results done 6 months ago. From the above results we can notice that the knowledge and attitiude of family medicine has been getting improved.
의료 전달체계 실시후 가정의학과 외래이용 환자에 대한 분석연구
안형우,강희철,김광태,최석용,신동학 啓明大學校 醫科大學 1990 계명의대학술지 Vol.9 No.2
In order to know the distribution of diseases in family practice and propose a research model in primary care, 2196 new patients were selected and analyzed who visited the family practice office during the period of july 1, 1989 to September 20, 1989. The general findings are as follows: The 2,196 patients were composed of 38% males and 62% females. Patients between 20 and 59 years of age were 69%. The prevalence of diseases by organ system was highest in Gastrointestinal(17.6%), Genitourinary(12.5%), Respiratory(12.5%), and Mental(11%) respectively. Among the diseases and symptoms, gastritis was highest(5.3%), and headache and acute bronchitis were 3.9%, 3.1% respectively. Referral was to OBGY, IM, and OS in order of frequency making cumulative percent perentage of 65%
Newiy found endemic foci of Paragonimus westermani in Ulchin county, Kyungpook Province, Korea
Shin,Dong-Hak,Joo,Chang-Yoon,Ahn,Hyung-Woo 啓明大學校 醫科大學 1993 계명의대학술지 Vol.12 No.3
경북 울진군 주민들에서의 폐흡충 감염상을 알아보기 위해 1985년 3월부터 1990년 10월까지 역학적 조사를 하던중 새로운 침윤지를 발견하였다. 발견된 침윤지는 울진군 북면 3개처, 울진읍 1개처, 서면 2개처, 온전면 1개처 등 8개 지역이었다. 이지역 주민들에서의 폐흡충 피내반응 검사에 의한 양성율은 13.3%∼36.0%였으며, 성별감염율에 있어서는 남성은 32.4%, 여성은 22.6%로 양자간에 유의적 차는 인정할 수 있었다. 8개 지역의 하천에는 폐흡충의 제 1 및 제2중간숙주가 서식하고 있었으며, 이곳 주민들에서의 폐흡충 감염율이 높다는 점을 유의하여 폐흡충 침윤지임을 알았다.