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약물치료에 반응을 하지 않았던 비폐쇄성 연하곤란 1 예
조영석(Young Seok Cho),최명규(Myung Gyu Choi),정우철(Woo Chul Chung),정정조(Jeong Jo Jeong),이인석(In Seok Lee),김상우(Sang Woo Kim),김성수(Sung Soo Kim),채현석(Hiun Suk Chae),한석원(Sok Won Han),정인식(In Sik Chung),박두호(Doo Ho Pa 대한소화기기능성질환·운동학회 2002 Journal of Neurogastroenterology and Motility (JNM Vol.8 No.1
Dysphagia is a frequent symptom which is observed in about 6% of all population. The most common causes of nonobstructive dysphagia are reported to be esophageal motility disorders, systemic disease and GERD. About 30% of GERD patients complain of dysphagia. Dysphagia in GERD patients is mostly due to peptic stricture but occasionally related to transient segmental esophageal motor disorder. A 42-year old male patient was admitted because of dysphagia and weight loss. He had renal transplantation 5 years ago. The results of esophagogastroduodenoscopic examination, esophagogram and esophageal manometry were normal. Treatment with proton pump inhibitor, prokinetic and anti-depressant was begun but the patient continued to complain of dysphagia. The result of 24 hour ambulatory pH monitoring revealed pathologic reflux. The results of 24 hour ambulatory esophageal manometry and video fluoroscopy were normal. After reassured, he didn`t complain of dysphagia. We report this case of nonobstructive dysphagia accompanied with GERD refractory to medical treatment in patient who had renal transplantation.(Korean Journal of Gastrointestinal Motility 2002;8:47-52)
조영리 ( Young Ri Cho ),이창재 ( Chang Jae Lee ),김소희 ( So Hee Kim ),김진희 ( Jin Hee Kim ),송준백 ( Jun Baek Song ),김동자 ( Dong Ja Kim ) 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.12
Primary ovarian transitional cell carcinoma (TCC) is extremely rare tumor and recently it has been recognized as one of histologic subtype of ovarian epithelial carcinomas. Primary ovarian TCC has been classified as a different subtype from malignant Bren
개선된 Line Following 방식이 세선화 알고리즘
조영원(Cho Youngone),한상훈(Han Sanghoon),조형제(Cho Hyungje) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.2Ⅱ
기존의 Line Following 알고리즘은 곡선으로 이루어진 영상 패턴을 세선화할 때 두꺼운 분기점을 효과적으로 처리하지 못할 뿐 아니라 폐곡선을 형성하는 부분이 끊어지는 단점이 있어 선분 형태 이외의 일반적인 문자나 이미지 등에 적용하기 어려우므로 Line Following 방식에 근거를 둔 개선된 새로운 세선화 알고리즘을 제안한다. 본 연구에서는 두꺼운 분기점의 문제를 해결하기 위해 선의 모양의 따라 동적으로 변하는 윈도우의 크기를 일정 비율로 조절하고, 폐곡선을 형성한 부분에서는 분기점마다 특정한 tag를 두어 선의 끝을 결정하는 단계에서 tag와 만나는 점에 대해 별도의 처리를 하였다. 이 알고리즘은 기존 알고리즘과 비슷한 처리 속도를 유지하면서도 기존 알고리즘의 단점을 효과적으로 개선하여 곡선이나 복잡한 영상 외에 문자 영상 등에 대해서도 좋은 결과를 보여 주었다.
항 인지질 항체 양성인 전신성 홍반성 루푸스 환자에서의 무도병
조영석 ( Young Suk Cho ),최범순 ( Bum Soon Choi ),여경아 ( Kyung Ah Yoh ),양형인 ( Hyung In Yang ),박성환 ( Sung Hwan Park ),이상헌 ( Sang Heon Lee ),조철수 ( Chul Soo Cho ),김호연 ( Ho Youn Kim ) 대한류마티스학회 1995 대한류마티스학회지 Vol.2 No.2
The neuropsychiatric manifestations of systemic lupus erythematosus (SLE) are diverse but, among them, movement disorders such as chorea, ataxia are uncommon. We describe a 16 year old female SLE patient with positive anticardiolipin antibody who developed sudden onset of chorea. The clinical and laboratory findings that positive anticardiolipin antibody, thrombocytopenia, chorea were suggested antiphospholipid syndrome. Although the pathophysiology of chorea in SLE is unknown, an association with antiphospholipid antibodies has been suggested. The underlying pathogenic mechanism of this case could not established but was most likely to have been an ischemia of the contralateral subthalamic nucleus. She was treated with corticosteroid, haloperidol and warfarin and now chorea is disappered.