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식도정맥류 진단에 있어서 Pro-banthine 사용 효과에 관하여
우원호 대한영상의학회 1975 대한영상의학회지 Vol.11 No.2
Conventional esophagography with fluoroscopy is not so accurate in diagnosis of esophageal varices, and correct diagnosis can established only 15∼50% of cases. Although various approaches have been used to increase diagnositc accuracy, none of them has proved entirely satisfactory. This report represents our experience with the use of Pro-banthine, which has spasmolytic action on smooth muscle, in 20 patients in whom esophageal varices are stongly suggested clinically, but conventional esophagogram reveals no evidence of varices or only mild findings of varices. Repeated esophagogram after intramuscular injection of 30mg of Pro-banthine revealed findings of esophageal varices in 4 of the 10 patients whose conventional esophagogram revealed normal finding, and revealed more prominent findings of varices in other 1- patients whose conventional esophagogram revealed mild or suspicious findings of varices. We recommand Pro-banthine enhanced esophagogram to increase diagnostic acc racy when esophageal varices are suspected clinically.
우원호 대한영상의학회 1975 대한영상의학회지 Vol.11 No.2
Osteogenesis imperfecta is rare disease in Korea. the patient is 18 year old Korean male with complaint of frequent fracture of extremities and bowing deformity of lower extremity. Skull X-ray shows mosaic pattern of multiple wormian bones on occipital bone. Chest PA shows no significant abnormality but slender ribs. Spine reveals diffuse osteoporosis and fish vertebra deformity. Extremities are hypoplastic and osteoporotic with fracture lines, fresh or healed. Bowing deformity is typical in lower extremity.
유방암 수술 후 호르몬 수용체와 나이에 따른 재발 위험률에 대한 연구
정승필,우숙영,이세경,김상민,배수연,김지영,김민국,길원호,남석진,이정언 한국유방암학회 2013 Journal of Breast Disease Vol.1 No.1
Purpose: Breast cancer can recur many years after treatment. Most studies have focused on survival rate and survival curves. We estimated hazard rates for recurrence to evaluate the risk of recurrence at a given time and how to recurrence changes over time according to hormone receptor status and patient age. Methods: We retrospectively reviewed the medical records of 6,308 patients with stage 1 to 3 breast cancer who received breast cancer operation from 1995 to 2010. Hazard rates were estimated by using Proc Lifetest. Patients were grouped according to estrogen receptor (ER) status; ER(+) (n=4,589), ER(-) (n=1,719) and age; less than 39 years (n=1,192), 40 to 59 years (n=4,250), more than 60 years (n=866). Results: Median follow-up period was 60 months. Estimated 5-year and 10-year recurrence rate were 11.2% and 19.5% in overall cohort. Estimated 5-year and 10-year recurrence rate were 10.6% and 18.4% in ER(+) patients, and 16.6% and 18.4% in ER(-) patients. Hazard of recurrence (HR) was highest in 2 to 3 years after surgery in overall cohort. ER(-) patients showed steep pattern of HR, while ER(+) patient showed steady pattern of HR. Five years after surgery, HR was higher in ER(+) patients than ER(-) patients. Younger patients showed higher HR than older patients regardless of ER status and stage. Conclusion: Our study proved that ER(-) patients showed high recurrence rate in early postoperative stage, however, in late postoperative stage, ER(-) patient showed lower recurrence rate than ER(+) patient. Young patients should be carefully observed because of high and long standing HR especially in ER(+) patients.
사출성형에 있어서의 금형재료와 금형제조 및 보수 기술에 관한 연구
허근태,우원호,김진환 경성대학교 생산기술연구소 1997 생산기술연구지 Vol.4 No.-
The materials of the mold in the injection molding was affected a various elements. In general, the materials of the mold depended on the number of the shots and the manufucturing mold. The munufucturing of mold needed some techniqus, one of them, the hot runner system is very utility techniqu in the injection molding using the enpla resin. The most important feature of the molding is the conservation techniqu in the manufuctures.