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대장내시경으로 진단된 맹장을 침범한 Behcet 씨 증후군 1예
양대현,범희승,김세종,윤종만,박일종,박해옥,조정곤,최성규,정상우 대한소화기내시경학회 1987 Clinical Endoscopy Vol.7 No.1
Authors came acoss a case of Behcet's syndrome involving cecum. The patient was a 33-year-old female. Her chief complaint was right lower quadrant pain, Colonoscopy revealed several ulcerations the base of which was covered by thick whitish coat, They were surrounded by mulitiple nodular masses. Endoscopic biopsy showed noaspecific ulceration. The patient had a history of aphthous ulceration of mouth and external genitalia. So she was diagnosed to have Behcets syndrome. She underwent right hemicolectomy with tetminal ilectomy. We report this case with literiature review.
양대현,한승조,박준형,권이훈,최두영 한국산업경영시스템학회 2013 한국산업경영시스템학회 학술대회 Vol.2013 No.추계
This paper's aim is to suggest the Expert System for analyzing relative combat power in ground operations. Since relative combat power analysis in terms of comparing combat power of friendly forces with one of the enemy can determine how the commander and staffs operate their unit afterwards, it requires fast and rational decision-making process. However, it has relied on manual method so far though Tactical Information Communications Network(TICN) into which numbers of applications can be loaded has been developed over a decade. The Expert System that will be built using EXSYS Corvid tool is expected to lessen error rate, provide faster decision- making, and reflect intangible combat power as well as tangible one by using an appropriate weights in analyzing relative combat power.
양대현,최성규,범희승,김성렬,윤종만,박일종,박해옥,조정곤 대한소화기내시경학회 1987 Clinical Endoscopy Vol.7 No.1
Congential bile duct cysts, the so called "choledochal cysts" occur at all levels of the biliary tree and may be of saccular, diverticular, or fusiform configuration. There are 6 types of choledochal cysts proposed by todani et al based on roentgenologic and operative findings. This disease is usually diagnosed at the childhood or early adult life and predilection for orientals. Clinical manifestations are usually jaundice, right upper quadrant abdominal pain and abdominal mass. Here we are reporting a case of choledochal cyst, type IV-A diagnosed by abdominal ultrasonogram. 99mTc-DISIDA hepatobiliary scan and endoscopic retrograde cholangiopancreatogram.
상부 위장관 이물질 15예의 내시경적 적출에 대한 임상적 고찰
양대현,최성규,범희승,김성렬,윤종만,박일종,박해옥,조정곤 대한소화기내시경학회 1987 Clinical Endoscopy Vol.7 No.1
The clinical review was done on 15 cases with the foreign body in the upper gastrointestinal tract who visited and underwent endoscopic removal of foreign body at department of lnternal Medicine of Chonnam University Hospital and Namkwang Hospital from June 1982 to August 1987. The results are as follows: 1) The age distribution varied from 32 yeara to 83 years of age, being most prevalent at 6th decade, The ratio between male and femaie was 4:1, more prevelant in male. 2} Among 15 eases, 8 cases were lodged in the esophagus and 7 cases in the stomach. The foreign bodies in the esophagus were meat, pressure-through package, food materials and bone in order of frequency and those in the stomach were bezoar, persimmon seed, brown seaweed, tooth brush and suture materials. 3) Cambined diseases of upper gastrointetinal passage disturbance were 1 case of esophageal cancer and 3 cases of gastric outlet obstruction caueed by duodenal ulcers and gastric malignancy. Other combined diseases were schizophrenia, chronic alcoholism, diabetes mellitus and gastrie polyp. 4) Complications by foreign body were retropharyngeal abscess and phlegmonous esophagitis with esophageal ulcer.
양대현,김미희,강주원,김재열,Yang, Dae-Hyeon,Kim, Mi-Hee,Kang, Joo-Won,Kim, Jae-Yeol 한국공간구조학회 2018 한국공간구조학회지 Vol.18 No.2
This study investigated a bio-tensegrity structural system that combines the characteristics of a general tensegrity structural system with a biological system. The final research objective is to accomplish a changeability for the structural system as like the movement of the natural bio-system. In the study, we present a shape finding procedure for the two stage bio-tensegrity system model inspired by the movement pattern of animal backbone. The proposed system is allowing a dynamic movement by introducing the concept of "saddle" for the variable bio-tensegrity structure. Several shape finding analysis example and results are presented and shows a efficient validation and suitability.
양대현,이종수,이창균,김나영,이계희,임선희,고재중,고영희,오주현,최신은 대한소화기내시경학회 1997 Clinical Endoscopy Vol.17 No.5
Pseudolymphoma or benign lymphoid hyperplasia is an unusual pathologic entity representing lymphoid hyperplasia, which is sometimes not easily classified as reactive or neoplasic. It occurs in a wide variety of sites, including the orbit, salivary glands, skin, thyroid, gastrointestinal tract and lung. Within the gastrointestinal tract, stomach, small intestine and large intestine, particulary rectum, can be involved, but intestine including rectum has been rarely reported in Korea to the best of our knowlege. We experienced a case of focal lymphoid hyperplasia of the rectum presented with hematochezia in a 33-year old male. It was diagnosed by histopathology with sigmoidoscopic biopsy and molecular genetic study. Rectal lesion as well as hematochezia was improved by prednisolone and mesalamine enema therapy. Hence, we report this case with a brief review of literatures.