1.Mandibular angle reduction by "3 mm external approach".
Hyun Kon CHOI ; Sun Ku LEE ; Du Young RHEE ; Young Joong HWANG
Journal of the Korean Society of Aesthetic Plastic Surgery 2000;6(2):104-108
No Abstract Available.
2.Congenital Anomalies of the Coronary Arteries.
Young Hee CHOI ; Yeon Hyun CHOE ; Si Joon YOO ; Sang Hoon LEE ; Hweung Kon HWANG ; Pan Gum KIM ; Kwang Kon KOH ; Heung Jae LEE ; Jae Kon KO ; Seong Ho KIM ; Jong Woon CHOI ; Pyo Won PARK
Korean Circulation Journal 1991;21(3):556-566
The coronary arteries are also subject to congenital anomalies of both minor and major consequence. Hemodynamically significant primary anomalies of the coronary arteries are those which alter myocardial perfusion. There are four major types : coronary artery fistula, origin of the left voronary artery from the pulmonary artery, congenital coronary stenosis or atresia and origin of the left or right coronary artery from the opposite sinus of Valsalva with subsequent passage of the vessel between the aorta and right ventricular infundibulum. Minor anomlies are the variation of the origin of the coronary arteries from the aorta with normal distal circulation. We can see more coronary anomalies associated with congenital cardiac anomalies, probably representing a circulatory response to the primary intracardiac defect. We present a total of 76 cases of congenital coronary anomalies, reviewing 3946 cases of angiocardiography or selective coronary arteriography, performed during last 8 years at Sejong General Hospital.
Angiocardiography
;
Angiography
;
Aorta
;
Arteries
;
Coronary Stenosis
;
Coronary Vessels*
;
Fistula
;
Hospitals, General
;
Perfusion
;
Pulmonary Artery
;
Sinus of Valsalva
3.Reliability of Transrectal Ultrasonography in the Prostate Volume Measurement.
Mi hyun KIM ; Jeong Kon KIM ; Young Jun CHOI ; Kyoung Sik CHO
Journal of the Korean Society of Medical Ultrasound 2008;27(1):41-48
PURPOSE: The purpose of study was to evaluate the reliability of transrectal ultrasonography (TRUS) in the prostate volume measurement. MATERIALS AND METHODS: Forty-one patients underwent two TRUS examinations during two independent sessions to measure the three-dimensional diameters and volume of the prostate. The difference between the two TRUS examinations was evaluated, and the reliability of TRUS was assessed using the intraclass correlation coefficient (ICC), coefficient of variation (CV), and Bland and Altman plot. RESULTS: The patients were divided into two subgroups by two observers those with the mean prostate volume same or greater than 30 ml (group A) and those with the mean prostate volume less than 30 ml (group B). A prostate volume difference greater than 5 ml and 10 ml between the two TRUS examinations was more frequently included in the group A than in the group B (43% and 33%, 5% and 0%, respectively) (p < 0.05). ICC and CV showed poor reliability for measuring the prostate height, length and volume in the group A (ICC for width, height, length and volume < 0.75, CV for volume =12.97%). CONCLUSION: Prostate volume measurement by TRUS may be unreliable in large prostates with unreliable measurement of the height and length being the primary limiting cause.
Humans
;
Prostate
4.Analysis of Usefulness of Biochemical Enzyme Assay and MR Spectroscopy(MRS) in Leigh Syndrome.
Bo Hwa CHOI ; Brian H ROBINSON ; Jeong Ho KIM ; Hyun Mee KIM ; Choong Kon CHOI ; Han Wook YOO ; Tae Sung KO
Journal of the Korean Child Neurology Society 1998;5(2):319-327
PURPOSE: Leigh syndrome is a kind of mitochondrial disease with a pathological production of lactate and variable clinical manifestations. Recently biochemical assay of the mitochondrial enzyme activity and MRS are becoming a powerful tool for the definitive antemorterm diagnosis of this disease. The aim of this study was designed to determine the usefulness of biochemical enzyme assay and MRS in Leigh syndrome. METHODS: A clinical study of 8 cases of pediatric patients were diagnosed as Leigh syndrome on the basis of clinical manifestations and MRI features at the department of pediatrics, Ulsan university hospital, from July, 1992 to June, 1997. Biochemical enzyme assay of the cultured skin fibroblasts was consulted to hospital for sick children, Toronto, Canada. Cerebral lactates were detected on MRS were analysed in relation to the MRI findings and lactate levels in the CSF. RESULTS: 1) Age at diagnosis ranged from 7 months to 8.9 years; seven were boys and one was girl. 2) Main clinical symptoms were as follows in the order of frequency; seizure(75%), ophthalmoplegia(50%), hemiplegia(50%), hypotonia(50%), respiratory difficulty(50%), developmental delay(38%), consciousness change(38%), mental retardation( 25%). 3) Anatomical locations of the focal lesions detected on the initial MRI were as follows in the order of frequency; putamen(75%), caudate nuclei(63%), medulla oblongata (18,50%), substantia nigra(38%), thalamus(38%). 4) Biochemical enzyme assay revealed deficiency of NADH cytochrome c reductase (complex I) and deficiency of cytochrome c oxidase(complex N) respectively in 2 patients who had markedly elevated serum and CSF lactate levels and lactate/pyruvate ratio. 5) Cerebral lactates were detected by MRS from 6 lesions of 1 week-4 months old in 6 patients who had normal or mildly elevated serum and CSF lactate levels and lactate/pyruvate ratio. CONCLUSION: MRS detected the brain parenchymal lactate non-invasively from the acute or subacute lesions. Therefore, combined evaluation by MRS and biochemical enzyme assay will provide an important information for the diagnosis and estimation of disease activity in pediatric patients who are suspected to have Leigh syndrome.
Brain
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Canada
;
Child
;
Consciousness
;
Cytochromes c
;
Diagnosis
;
Enzyme Assays*
;
Female
;
Fibroblasts
;
Humans
;
Lactates
;
Lactic Acid
;
Leigh Disease*
;
Magnetic Resonance Imaging
;
Medulla Oblongata
;
Mitochondrial Diseases
;
NADH Dehydrogenase
;
Pediatrics
;
Skin
;
Ulsan
5.Effect of Age and Flight time on the Audition of Pilots in Asiana Airlines.
Jeong Hyun KIM ; Won Keun LEE ; Hyun Mee HAN ; Chung Kon CHOI ; Keun Chul PARK
Korean Journal of Aerospace and Environmental Medicine 2001;11(3):153-159
BACKGROUND: This is to evaluate the noisy environment, and to improve the hearing conservation program by analyzing the status of hearing loss and risk factors which cause hearing loss of Airlines pilots. METHODS: We reviewed Audiometric, Medical and Flying records of total 92 pilots under 55 years old . These subjects selected after excluding pilots with history of ear disease and ototoxic drug administration. The significance of the factors was analyzed by ANOVA and Regression test. RESULT: The mean age of pilots was 39.96 years old and the mean flight time was 5665.39 hours. The noise levels by aircrafts were mean 76.9dB and maximum 144.4dB in B737, mean 78.5dB and maximum 143.2dB in B747. The noise levels by headset were mean 72.1dB and maximum 144.1dB. The mean hearing threshold level was different with age groups. The older in age, the higher in the mean hearing threshold level at high frequency and left ear. It was increased the mean hearing threshold level (dB) at high frequency (4,000 Hz) by total flight time The effect on hearing threshold level at high frequency in left ear was statistically significant in total flight time (p=0.032). CONCLUSION: The noise level of aircrafts could cause noise-induced hearing loss in some pilots. Age and total flight time are within the range of possibility of hearing loss. The result of this study ascertained the possibility of hearing loss due to monaural-headsets on the left ear at 4,000 Hz. It is recommended that an effective hearing conservation program should be provided for the headset-wearing communication pilots.
Aircraft
;
Diptera
;
Ear
;
Ear Diseases
;
Hearing Loss
;
Hearing Loss, Noise-Induced
;
Hearing*
;
Humans
;
Middle Aged
;
Noise
;
Risk Factors
6.Is High-Sensitivity C-Reactive Protein Associated with Lower Urinary Tract Symptoms in Aging Men? Results from the Hallym Aging Study.
Woo Seok CHOI ; Won Ki LEE ; Seong Ho LEE ; Sang Kon LEE ; Sung Tae CHO ; Dong Hyun KIM
Korean Journal of Urology 2012;53(5):335-341
PURPOSE: The pathogenesis of lower urinary tract symptoms (LUTS) is uncertain. We investigated the potential role of inflammation in the development of LUTS, with the use of high-sensitivity C-reactive protein (hsCRP) as an inflammatory marker, in a population-based study of aging men in Korea. MATERIALS AND METHODS: Our study used a multistage stratified design to recruit a random sample of 1,510 men aged 45 years or older in Chuncheon, Korea, in 2003. Men with urologic or neurologic diseases that could cause voiding dysfunction were excluded. Also, men with medical conditions that could affect inflammation, such as infection or the use of nonsteroidal anti-inflammatory drugs, were excluded. LUTS were defined according to the International Prostate Symptom Score (IPSS). Various potential confounding factors were included in the analyses. RESULTS: A total of 330 subjects were included in the final analyses. There were 155 (47.0%) with an IPSS<8 and 175 (53%) with an IPSS> or =8. The mean age of all subjects was 69.2+/-8.4 years. The mean hsCRP level of all subjects was 2.30+/-3.27 (median, 1.19) mg/l. The hsCRP levels in subjects with an IPSS> or =8 differed significantly from those in subjects with an IPSS<8. Also, IPSS, storage symptom, voiding symptom, and quality of life (QoL) scores increased as hsCRP levels increased, respectively. The hsCRP level remained an independent risk factor of LUTS (IPSS> or =8, storage symptom score> or =4, incomplete voiding, intermittency, and QoL) after adjustment for variable possible confounding factors. CONCLUSIONS: Our results suggest that inflammatory processes may play an important role in the pathogenesis of LUTS and that hsCRP levels may indicate the severity of LUTS in aging men.
Aged
;
Aging
;
C-Reactive Protein
;
Humans
;
Inflammation
;
Korea
;
Lower Urinary Tract Symptoms
;
Male
;
Prostate
;
Quality of Life
;
Risk Factors
7.A Case Report of Choledochal Cyst.
Sung Kyu CHOI ; Dae Hyun YANG ; Jung Kon CHO ; Hae Ok PARK ; Il Chong PARK ; Hee Seung BOM ; Chong Mann YOON ; Seong Rhyul KIM
Korean Journal of Gastrointestinal Endoscopy 1987;7(1):83-86
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.
Abdominal Pain
;
Adult
;
Biliary Tract
;
Choledochal Cyst*
;
Humans
;
Jaundice
;
Technetium Tc 99m Disofenin
;
Ultrasonography
8.A Case of Ascarid Chronic Pancreatitis Due to Impaction of Ascaris Lumbricoides into the pancreatic Duct.
Chong Mann YOON ; Seong Rhyul KIM ; Hee Seung BOM ; Dae Hyun YANG ; Sung Kyeu CHOI ; Il Chong PARK ; Hae Ok PARK ; Jung Kon CHO
Korean Journal of Gastrointestinal Endoscopy 1987;7(1):79-81
Authors report a case with recurrent epigastric pain who revesled to have chronic pancreatitis due to impaction of Ascaris lumbricoides into the pancreatic duct. She was a 41-year-old female who favored raw meat. ERCP revealed a living round worm in the pancreatic duct which was also showed by ultrasonegraphy and computed tomography. She underwent distal pancreatectomy and developed glucose intolerance but was well controlled.
Adult
;
Ascaris lumbricoides*
;
Ascaris*
;
Cholangiopancreatography, Endoscopic Retrograde
;
Female
;
Glucose Intolerance
;
Humans
;
Meat
;
Pancreatectomy
;
Pancreatic Ducts*
;
Pancreatitis, Chronic*
9.Colonoscopically Diagnosed Case of Behcet's Syndrome Involving Cecum.
Jung Kon CHO ; Hee Seung BOM ; Sung Kyeu CHOI ; Il Chong PARK ; Hae Ok PARK ; Dae Hyun YANG ; Sei Jong KIM ; Chong Mann YOON ; Sang Woo CHUNG
Korean Journal of Gastrointestinal Endoscopy 1987;7(1):71-74
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.
Adult
;
Behcet Syndrome*
;
Biopsy
;
Cecum*
;
Colonoscopy
;
Female
;
Genitalia
;
Humans
;
Mouth
;
Stomatitis, Aphthous
;
Ulcer
10.Coronary Arterial Remodeling in Athersclerotic Disease: An Intravascular Ultrasonic Study in vivo.
Nam Ho LEE ; Yang Soo JANG ; Dong Soo KIM ; Dong Hoon CHOI ; Bum Kee HONG ; Hyun Seung KIM ; Sung Soon KIM ; Myeong Kon KIM
Korean Circulation Journal 1998;28(7):1047-1058
BACKGROUND: Adaptive remodeling of the wall of diseased arterial segments occurs to compensate for the accumulation of atherosclerotic plaque. Histopathologic studies and intraoperative high-frequency epicardial coronary ultrasound imaging as well as intracoronary ultrasound imaging have shown that human coronary arteries enlarge in parallel with the formation of atherosclerotic plaque. Therefore, the lumen area is preserved until the progressive accumulation of plaque exceeds the compensatory mechanisms of the vessel. In 1995, however, Pastercamp et al. reported that arterial wall constriction (shrinkage) or inadequate enlargement may be a different mechanism associated with the development of severe arterial lumen narrowing in addition to plaque proliferation. The aim of this study is to examine what extent of de novo native coronary arterial stenosis is accompanied by compensatory enlargement and to find the predictors of inadequate remodeling with intravascualr ultrasound. METHODS: Fifty eight patients were enrolled from February 1997 through October 1997. Patients who had the lesion of more than 50% stenosis of minimal luminal diameter in coronary angiography were indicated. The lesion which was located in the ostium or was very tortuous or angulated was excluded. The lesion which had the history of balloon angioplasty or stent insertion was also excluded. We used 20 MHz endosonic intravascular ultrasound catheter. We measured EEM area (External Elastic Membrane area), lumen area and plaque plus media area and analysed plaque characteristics. RESULTS: 1) Fifty-eight consecutive patients (43 men, 15 women; mean age 55.4 years, range 33 to 78) who had not undergone previous catheter intervention were studied with a single intravascular ultrasound system. 2) Among 58 patients, 20 patients (35%) had acute myocardial infarction, 30 patients (52%) unstable angina, 6 patients (10%) stable angina and 2 patients (3%) old myocardial infarction. Lesions were located at the left anterior descending arteries in 29 patients (50%), right coronary arteries in 21 patients (36%) and left circumflex coronary artery in 8 patients (14%). 3) Compensatory enlargement was observed in 19 (32%) of 58 lesions and inadequate compensatory enlargement in 39 (68%). 4) EEM and plaque areas at lesion site of compensatory enlargement group were significantly larger than those of inadequate enlargement group (p<0.05). 5) Risk factors for coronary arterial disease including diabetes mellitus, hypertension, hypercholesterolemia (serum cholesterol<0A65B>240 mg/dl), smokings and plaque characteristics were not statistically related with inadequate enlargement. Although there was no statistical significance, there was a tendency of inadequate enlargement in patients with diabetes mellitus and calcified plaque. 6) The only predictor of inadequate remodeling was the postmenopausal female (p<0.05). CONCLUSION: Adaptive compensatory coronary arterial remodeling was occured less frequently in patients with acute coronary syndromes than in patients with stable angina. The only statistically significant predictor of adaptive compensatory coronary arterial remodeling was postmenopausal women. Inadequate compensatory coronary arterial remodeling was occured more frequently in patients with diabetes mellitus or calcified plaque but without statistical significance.
Acute Coronary Syndrome
;
Angina, Stable
;
Angina, Unstable
;
Angioplasty, Balloon
;
Arteries
;
Catheters
;
Constriction
;
Constriction, Pathologic
;
Coronary Angiography
;
Coronary Vessels
;
Diabetes Mellitus
;
Female
;
Humans
;
Hypercholesterolemia
;
Hypertension
;
Male
;
Membranes
;
Myocardial Infarction
;
Phenobarbital
;
Plaque, Atherosclerotic
;
Risk Factors
;
Smoke
;
Stents
;
Ultrasonics*
;
Ultrasonography