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대장암 환자에서 복막 전이에 대한 복수내 암태아 항원 (Carcinoembryonic Antigen)의 진단적 가치
송성은 ( Sung Eun Song ),최바울 ( Paul Choi ),김재현 ( Jae Hyun Kim ),정경원 ( Kyoungwon Jung ),김성은 ( Sung Eun Kim ),문원 ( Won Moon ),박무인 ( Moo In Park ),박선자 ( Seun Ja Park ) 대한소화기학회 2018 대한소화기학회지 Vol.71 No.6
Background/Aims: Diagnostic tests for carcinoembryonic antigen (CEA) in ascites have been performed in various malignant cases, but there is only few data on the applicability of CEA for colorectal cancer (CRC) patients with peritoneal carcinomatosis. We aimed to determine the usefulness of CEA in ascites (aCEA) as a diagnostic parameter for CRC with peritoneal carcinomatosis. Methods: Between January 2000 and May 2013, the medical records of 259 patients who underwent paracentesis for the evaluation of ascites were retrospectively reviewed. CRC patients with ascites (n=82) and patients with non-malignant ascites (n=177) were evaluated. Patients who had other malignancies, including gastric or ovarian cancer, with ascites were excluded. The optimal diagnostic cut-off value of aCEA for CRC with peritoneal carcinomatosis was determined using receiver operating characteristic curve analysis. The value of aCEA for predicting the occurrence of peritoneal carcinomatosis was evaluated using a logistic regression model. Results: The optimal cut-off value of aCEA to diagnose CRC with peritoneal carcinomatosis was 3.89 ng/mL, and the area under the curve for aCEA was 0.996 (sensitivity 96.3%, specificity 100%, positive predictive value 100%, negative predictive value 98.3%). Multivariate logistic regression analysis showed that aCEA was an independent factor predicting the occurrence of peritoneal carcinomatosis. Conclusions: In this study, we showed that aCEA may be a useful parameter for diagnosing CRC with peritoneal carcinomatosis, and we propose an optimal aCEA cut-off value of 3.89 ng/mL. Further study that includes patients with other malignant ascites may be necessary to validate these findings. (Korean J Gastroenterol 2018;71:332-337)
김지혜 ( Ji Hye Kim ),최바울 ( Paul Choi ),정연순 ( Yeon Soon Jung ),장성훈 ( Seong Hoon Chang ),어완규 ( Wan Kyu Eo ),천봉권 ( Bong Kwon Chun ),임학 ( Hark Rim ) 대한신장학회 2002 Kidney Research and Clinical Practice Vol.21 No.6
Secondary polycythemia occasionally associated with renal diseases such as renal tumors, cysts, hydronephrosis, renal transplantation, renal artery stenosis and Banter`s syndrome and is rarely associated wish nephrotic syndrome, nephrosclerosis, pyelonephritis, chronic gromerulonephritis and membranous nephropathy. The association of polycythemia vera and immunoglobulin A nephropathy (IgAN) is well not known, and there are only a few isolated reports presnting the concomitance of polycythemia vera and IgAN. We report one patient with concomitant polycythemia vera and Ig A nephropathy. A 53 year-old male visited our hospital because of elevated hemoglobin level. Blood value of hemoglobin was 22.1 g/dL. Isotopic blood studies with radioactive chromium (^51CO-labelled red blood cells revealed a total blood volume of 90 mL/㎏ and total red cell volume of 61.8 mL/㎏. The concentration of serum erythropoietin measured by radioimmunoassay was 14.29 mIU/mL (normal 10.2-25.2 mIU/mL). Bone marrow aspirate revealed hypercellularity and panmyelosis, characteristically, Renal biopsy specimens showed moderate mesangioproliferative lesions with mesangial IgA and C_3 deposition. Treatment with phlebotomy, hydroxyurea and oral prednisolone (1 ㎎/㎏/day) was done. There was no decrease of urinary protein following treatment of phlebotomy and hydroxyurea. But urinary protein decreased and hemoglobin level normalized following combination treatment of phlebotomy, hydroxyurea and oral prednisolone.
이정환 ( Jeong-hwan Lee ),최바울 ( Choi Paul ),고동진 ( Dong-jin Go ),이조광 ( Jo-gwang Lee ),전세웅 ( Se-woong Jun ),김현돈 ( Hyun-don Kim ) 한국정보처리학회 2023 한국정보처리학회 학술대회논문집 Vol.30 No.2
목 아래로 전신마비가 되어 간병인 없이는 일상적인 생활이 불편한 와병 환자들을 위하여 뇌파(EEG) 및 목의 근전도(EMG)와 같은 생체신호 기반의 인터페이스를 제안하였다. 이를 이용하여 환자의 이상 상태를 보호자에게 알릴 수 있고 환자의 제한적인 움직임이나 집중하는 것만으로도 간단한 서비스 등을 직접 로봇에게 명령을 내릴 수 있도록 구현하였다.
사회보험료 지원사업(두루누리 사업)의 효과: 현대 성과평가론의 적용
유경준 ( Gyeongjoon Yoo ),강창희 ( Changhui Kang ),최바울 ( Paul Choi ) 한국경제학회 2016 經濟學硏究 Vol.64 No.1
본 논문은 저임금 근로자들에 대한 사회보험료 지원사업인 ‘두루누리 사업’의 성과를 고용보험과 국민연금 가입자 수, 그리고 고용규모의 관점에서 평가한다. 이중차분법의 실증결과에 따르면, ‘두루누리 시범사업’은 고용보험 피보험자 수를약 2.4%, 국민연금 가입자 수를 약 3.1% 증가시켰다. 그러나 고용규모에는 유의미한 영향을 미치지 못했다. 2012년 7월부터 전국적으로 확대된 ‘두루누리’ 본사 업은 고용보험 피보험자 수를 약 2.68%, 국민연금 가입자 수를 약 2.04% 정도 유 의하게 증가시켰다. 본사업 또한 고용 규모에는 유의미한 영향을 미치지 못했다. ‘두루누리’ 사업은 정부의 정책 사업에서 현대성과평가론의 실험 디자인을 채택한 보기 드문 사례로서, 미시 사회정책들의 과학적인 성과평가를 위한 좋은 지침을 제공한다. This paper evaluates effects of the Duru-Nuri Program (a social insurances subsidy program of the Korean government for low-wage workers) on a worker’s probability to join the national employment insurance (EI) and national pension system (NPS), and employment. Estimates using the difference-in-differences method suggest that its pilot program increased the number of the EI subscribers by 2.4% and that of the NPS subscribers by 3.1%, while it failed to affect employment. The main program implemented from July 2012 increased the number of the EI subscribers by 2.68% and that of the NPS subscribers by 2.04%, while it had no effect on employment. The Duru-Nuri Program is unique in that it has adopted an experimental design of the modern program evaluation literature, making possible a scientific evaluation of the performance of the program and offering a good guideline for the design of micro-level programs of the government.
간세포암 환자의 발생원인에 따른 말초혈액의 T 세포 아형과 자연살해세포능의 비교
허진욱,최바울,임현정,김수홍,김은석,윤병철,한병훈,이상욱 고신대학교 의학부 2003 高神大學校 醫學部 論文集 Vol.18 No.1
Backgrounds : Many cancer patients, such as Hepatocellular carcinoma(HCC), have a compromised cellular immune system. Several lympocytes subpopulations are involved in immunosurveillance against tumors. We try to evaluate on alteration of peripheral T cell subsets, NK cell and NK cell activity in patients with HCC. Materials and Method : Our study contain 257 patients with chronic liver disease. Of the 257 patients, 147 patients were chronic hepatitis, 44 patients were liver cirrhosis, 66 patients were Hepatocellular carcinoma. We distributed these patients to 3 groups due to cause, chronic hepatitis B (1st group, n=183), chronic hepatitis C (2nd group, n=52), alcoholic liver disease(3rd group, n=22). This study analysis ratio of CD3+, CD4+ CD8+, CD56+ T cell and NK cell activity. Results : The percentage of CD3+ and CD8+ cells were significantly decreased in LC and HCC groups. The activity of NK cells was significantly decreased in HCC than hepatitis group in HBV group. But not different in HCV and alcohol groups. NK cell and NK cell activity were significant decreased in HCC of younger patients (below 40 years) than older patients (above 60 years). Conclusions : Our study showed HCC was altered cellular immune system and decreased activity of NK cells. On the basis of this results, it can be suggested that decreased activity of NK cells according to age may be related to differnce of common age, prognosis and response of immune therapy.