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고윤호(Yoon-Ho ko),최철호(Chyul-ho Choi),권병헌(Byong-Heon Kwon),최명렬(Myung-Ryul Choi) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.1B
본 논문에서는 3차원 영상의 생성 원리와 3차원 영상 모드 그리고 기존의 3차원 영상 재생 장치를 분석하였다. 3사윈 영상 모드에는 interlace, page-flipping, sync-doubling 모드가 있으며, LCD(Liquid Crystal Display) shutter glasses를 이용한 3차원 영상 재생 장치의 동작 원리 및 파형을 분석하였고 현 재생 장치의 장 · 단점을 논하였다. 이 장비는 심한 flicker를 유발하였고, 완전한 3차원 입체 영상의 효과를 얻을 수 없었다. 마지막으로 LCD 모니터용 3차원 영상 재생 장치의 필요성과 향후 연구 방향을 제시하였다.
암 환자에서 우울증의 선별도구로서 단축형 에딘버러 우울증 척도의 한국 표준화
이정현,김태석,고윤호,윤수정,류인균,전태연,이철,Lee, Jung Hyun,Kim, Tae-Suk,Ko, Yoon-Ho,Yoon, Sujung J.,Lyoo, In Kyoon,Jun, Tae-Youn,Lee, Chul 대한생물정신의학회 2009 생물정신의학 Vol.16 No.2
Objectives : Depression is a common psychiatric disorder in cancer patients. The Brief Edinburgh Depression Scale(BEDS), which is an abbreviated version of the Edinburgh Depression Scale, may serve as a useful tool in screening for the depression in patients with the medical illnesses. This report investigated the reliability and validity of the Korean Version of the BEDS(K-BEDS) for the depression in cancer patients. Methods : One-hundred cancer patients were enrolled in this study. All subjects completed the K-BEDS, the Hospital Anxiety Depression Scale(HADS), and the Karnofsky Performance Status Scale(KPSS). Reliability, validity and Receiver Operating Characteristic(ROC) curve analysis measures were assessed. Results : The K-BEDS showed good internal consistency(Cronbach ${\alpha}$=0.77) and test-retest reliability(0.94, p<0.001). All item-total correlations were above 0.3. Also, it revealed moderate correlation with the depression subscale of the HADS(r=0.617), but no correlation with the KPSS. Exploratory factor analysis produced only one factor, accounting for 47.1% of the total variance. The most valid cutoff value to screen for depression was a total score of 5 on the K-BEDS, which showed sensitivity of 62.5% and specificity of 86.4% with a positive predictive value of 4.60 and a negative predictive value of 0.43.
슬관절 전이로 인한 통증이 초기 증상으로 발현된 대장암
조율희 ( Yul Hee Cho ),장민옥 ( Min Ok Jang ),권희선 ( Hee Seon Kwon ),고윤호 ( Yoon Ho Ko ),강진형 ( Jin Hyoung Kang ),홍영선 ( Young Seon Hong ),이명아 ( Myung Ah Lee ) 대한내과학회 2011 대한내과학회지 Vol.80 No.3
Knee pain is rarely an initial symptom of colon cancer, because most bone metastases develop in the late stage of cancer. Therefore, patients with colorectal cancer usually present with gastrointestinal symptoms. Recently, we experienced a 46-year-old female with rectal cancer that presented as knee pain due to tibial metastasis without other organ metastasis. She was evaluated for knee pain and diagnosed with a rectal cancer after biopsies of the tibial and rectal masses. We report the first such case in Korea with a review of the literature. (Korean J Med 2011;80:352-355)
폐와 간전이를 동반한 집합관 신세포암(Bellini관 암)
이지은 ( Ji Eun Lee ),원혜성 ( Hye Sung Won ),강진형 ( Jin Hyoung Kang ),홍영선 ( Yeong Seon Hong ),오순남 ( Soon Nam Oh ),김태정 ( Tae Jung Kim ),고윤호 ( Yoon Ho Ko ) 대한내과학회 2009 대한내과학회지 Vol.77 No.6
Renal cell carcinoma accounts for 2.6% of all cancer, and most renal cell carcinoma has a clear cell origin. Bellini duct carcinoma, which arises from collecting duct cells (Bellini cells), is a rare type of renal cell carcinoma, constituting less than 1% of all renal cell carcinoma. The prognosis of Bellini duct carcinoma is very poor, and more than 60% of the patients die within 2 years of diagnosis. There is no consensus regarding the optimal treatment. We report a case of Bellini duct carcinoma in a 53-year-old male with multiple lung and liver metastases. The patient was treated with eight cycles of M-VAC (methotrexate, vincristine, doxorubicin, and cisplatin) combination chemotherapy. The patient currently shows a radiological partial response without disease progression 10 months after the chemotherapy. (Korean J Med 77:780-786, 2009)
동종 조혈모세포이식 후 발생한 크립토콕쿠스 척추염 1예
고윤호,임동준,이성수,조유경,이동건,최정현,김유진,민창기,김동욱,박정미,김춘추,신완식 대한감염학회 2001 감염 Vol.33 No.4
Skeletal cryptococcosis is an uncommon infection. Cryptococcus is a common cause of meningitis and infects 7∼10% of patients with AIDS. As well as AIDS, the infection may be seen in association with leukemia, lymphoma, Hodgkin's disease, sarcoidosis, tuberculosis and diabetes, also in patients on steroid medication. But there is no case report of skeletal cryptococcosis following allogeneic hematopoietic stem cell transplantation. A 40-year-old woman was admitted to the hospital because of low back pain. She had chronic myelogenous leukemia for 2 years and underwent allogeneic hematopoietic stem cell transplantation 8 months ago. She have been treated with steroid and cyclosporine orally because of chronic graft versus host disease. On examination she was afebrile and had posterior lower lumbar tenderness. But, she had no reduced strength of low extremities. Open biopsy was underwent. Histology demonstrated budding, round-to-oval, refractile yeast-like organisms within debris. The results of a lumbar puncture were unremarkable and cerebrospinal fluid culture failed to grow bacteria and yeast. The patient was treated with amphotericin B (1 gram) and AmBisome□ (2.8 gram) over 6 weeks. Three months after cessation of therapy, the patient was doing well.(Korean J Infect Dis 33:298∼301, 2001)
Ketoconazole 장기복용으로 발생한 간격막 섬유증 1 예
김영철,김진일,김용균,안병민,조재완,정규원,배시현,김부성,방춘상,선희식,박두호,성용직,강석진,고윤호,박영민 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.2
Ketoc onazole, an imidazole derivative, is a broad spectrum antifungal agent which has been used widely in the treatment of systemic or local fungal infections. Mild asymptomatic elevation of plasma transaminase activities occurs in approximately 6% to 17.5% of patients who have used ketoconazole. However, the incidence of symptomatic hepatic injury is low and overt hepatitis develops in about 5% of the patients. Nausea and vomiting are the most frequent side reactions. Histopathological features of the reported ketoconazole induced hepatotoxicity are massive or submassive hepatocellular necrosis involving the acinar zone 3, destroyed lobular architecture with bridging necrosis and inflammatory cell infiltration on portal tracts. However, hepatic septal fibrosis with liver cirrhosis has not been reported yet.We experienced a case of hepatic septal fibrosis that developed after 9 months of ketoconazole administration.(Korean J Hepatol 2000;6:241-245)