1.Pulmonary artery sling: case report.
Gil Hyun SHIN ; Sun Wha LEE ; Sung Ho CHA
Journal of the Korean Radiological Society 1993;29(5):1067-1070
Aberrant left-sided pulmonary artery(pulmonary artery sling) is an uncommon anomaly, which may cause significant respiratory abnormality. We report a case of pulmonary artery sling which is combined with persistent left superior vena cava and dextrocardia. This case was identified by esophagogram and CT and confirmed by MRI and angiography. We consider that MRI is a valuable new method for the diagnosis of aberrant left-sided pulmonary artery.
Angiography
;
Arteries
;
Dextrocardia
;
Diagnosis
;
Magnetic Resonance Imaging
;
Methods
;
Pulmonary Artery*
;
Vena Cava, Superior
2.Epidemiology and Seasonal Variance of Incidence of Distal Radius Fractures.
Ho Jae LEE ; Soo Hong HAN ; Yong Gil JO ; Soo Hyun LEE ; Sun Tae BONG
The Journal of the Korean Orthopaedic Association 2015;50(4):307-312
PURPOSE: Fracture of the distal radius is one of the most common fractures encountered in the emergency room. The incidence of distal radius fracture has increased substantially according to several studies that estimated the overall incidence in various general populations. However, there is a paucity of epidemiological data regarding distal radius fracture in Korea. The aim of this study was to estimate the epidemiology and seasonal variance of incidence of distal radius fractures in the Korean population. MATERIALS AND METHODS: Medical records and radiographs of the 432 patients who visited the emergency room for distal radius fractures from January 2012 to December 2013 were reviewed retrospectively. Authors analyzed the epidemiologic parameters including age, gender, injury mechanism, fracture classification, combined fracture, treatment method and monthly incidence. RESULTS: The mean age of the patients at the time of injury was 53 years (41.6 years in 171 men, 64.5 years in 261 women). The highest incidence in age distribution was the sixth and seventh decade (45.2%) and male to female ratio was 1.0:2.5. Most fractures (78.4%) were caused by a lower energy fall and the most common combined fractures were the ulnar styloid fracture (38.6%). According to the AO classification, 54.5% were type A, 14.5% were type B and 31.0% were type C and 39.2% of the patient underwent surgery for treatment. The incidence of fracture began to rise in November (12.1%) and peaked in December (14.2%). CONCLUSION: This study examined the epidemiology and seasonal variance of incidence of distal radius fractures from the patient records of a single University hospital. The epidemiological data gathered in this study could be added to our knowledge of distal radius fractures in the Korean population, thus it enables the Korean surgeon to determine the best management for individual patients.
Age Distribution
;
Classification
;
Emergency Service, Hospital
;
Epidemiology*
;
Female
;
Humans
;
Incidence*
;
Korea
;
Male
;
Medical Records
;
Radius Fractures*
;
Radius*
;
Retrospective Studies
;
Seasons*
3.A Case of Ruptured Tricuspid Valve Due to Nonpenetrating Cardiac Injury Detected by Echocardiography.
Sung Min CHO ; Ki Yeol SEO ; Mi Sun KIM ; Ju Hyun CHA ; Hwa Jung KIM ; Si Hoon PARK ; Gil Ja SHIN ; Yong Soon WON ; Soo Seung CHOI
Korean Circulation Journal 1997;27(1):102-106
Cardiac contusion is an increasingly recognized entity in patients with nonpenetrating chest injury. Unifortunately, the diagnosis of cardiac trauma, particularly cardiac contusion, is imprecise and may be confounded by the presence of associated injuries, hypoxia, shock, and metabolic abnormalities. Symptomatic cardiac injury follwing blunt chest trauma is relatively rare, and valvular injury is even rarer. The valves most commonly affected are mitral and tricuspid. Although tricuspid regurgitations are usually asymptomatic and can resolve spontaneously, recent developments in echocardiography made possible the precise diagnosis of valvular injuries noninvasively, The authors report the case of tricuspid regurgitation incidentally detected by echocardiography in a construction worker who had suffered multiple fractures.
Anoxia
;
Contusions
;
Diagnosis
;
Echocardiography*
;
Humans
;
Shock
;
Thoracic Injuries
;
Thorax
;
Tricuspid Valve Insufficiency
;
Tricuspid Valve*
4.Development of a Computer - assited Documentation System for Gastrointestinal Endoscopy.
Myung Gyu CHOI ; Byung Gil CHOI ; Kyu Yong CHOI ; In Sik CHUNG ; Sang Bok CHA ; Kyu Won CHUNG ; Hee Sik SUN ; Boo Sung KIM
Korean Journal of Gastrointestinal Endoscopy 1993;13(2):425-431
The authors developed a computerized documentation system to record and store all the data pertaining to an endoscopic examination of the upper digestive tract. The system was programmed using the database management system Clipper Version 5.01. It is easy and convenient to use due to advanced deaign of input screen using menu bars and pull down menu and windows. The system was designed to permit the easy storage and retrieval of data by personnel who lack computer skills and who may only have limited typing ability. Today this system has been in daily use for 1 year at the endoscopic units of 8 different branch hospitals of Catholic university,medical college. Overall the experience in these centers has been positive, with excelient or good participation. Characteristics of this system are a menu-driven system, data input by predefined list, instantaneous report generation, on line access to previous examination, late entry of yathologic regerts. and record retrieval, listing according to different criteria. For the description of endoscopic findings and diagnosis, structured input is maintained. All of the findings are chosen from predefined list using pop-up screen and also free text typing is allowed. Therefore time effort was not increased compared to conventional documentation. Structured input and the resulting categorical data affer several advantages.
Database Management Systems
;
Diagnosis
;
Endoscopy
;
Endoscopy, Gastrointestinal*
;
Gastrointestinal Tract
;
Hospitals, Satellite
;
Information Systems
5.The Expression of Vascular Endothelial Growth Factor (VEGF) is a Highly Significant Prognostic Factor in Stage IB Carcinoma of the Cervix.
Ik Jae LEE ; Kyung Ran PARK ; Jong Young LEE ; Kang Kyoo LEE ; Ji Sun SONG ; Kwang Gil LEE ; Dong Soo CHA ; Hyun Il CHOI
The Journal of the Korean Society for Therapeutic Radiology and Oncology 2001;19(4):335-344
PURPOSE: The aim of this study was to clarify the role of VEGF expression as an independent prognostic factor and to identify the patients at high risk for poor prognosis in stage IB cervical cancer. MATERIALS AND METHODS: A total of 118 patients with stage IB cervical cancer who had radical hysterectomy and pelvic lymph node dissection were included in the study. All known high risk factors of the patients were pathologically confirmed from the surgical specimen. Of the 118 patients, 88 patients were treated with postoperative radiotherapy and/or chemotherapy. VEGF expression was examined using immunohistochemistry in formalin-fixed, paraffin-embedded specimens of post-hysterectomy surgical materials. A semiquantitative analysis was made using a scoring system of 0, +, + +, and + + + for increasing intensity of stain. We classified the patients with scores from 0 to + + as low VEGF expression and the patients with a score of + + + as high VEGF expression. RESULTS: Of the 118 patients, 35 patients (29.7%) showed high VEGF expression. Strong correlations were found between the high VEGF expression and both deep stromal invasion (p=0.01) and the positive pelvic node (p=0.03). The 5-year overall and disease-free survival rates for all 118 patients were 95.5% and 93.8%. The 5-year overall (p=0.03) and disease-free survival (p<0.001) rates were 98.5% and 100% for low VEGF expression (0, +, and + +) and 85.5% and 79.7% for high VEGF expression, respectively. Pelvic and distant failures for low versus high VEGF expression were 1.2% versus 17.1%, (p=0.001) and 0% versus 14.3% (p<0.001), respectively. In a Cox multivariate analysis of survival, the high VEGF expression (p=0.02) and the bulky mass (p=0.02) were significant prognostic factors for overall survival. The high VEGF expression (p=0.002), and bulky mass (p=0.01) demonstrated as significant prognostic indicators for disease free survival. CONCLUSION: These results showed that VEGF expression was a highly significant predictor for pelvic and distant failure and the most significant prognostic factor of overall and disease free survival for the patients with stage IB cervix cancer treated with radical surgery. We strongly suggest that the immunohistochemistry for VEGF expression be performed in a routine clinical setting in order to identify the patients at high risk for poor prognosis in early stage cervical cancer. Furthermore, postoperative and/or chemotherapy did not reduce the pelvic failure and distant metastasis. To improve the cure rate for the patients with high VEGF expression in stage IB cervical cancer, antiangiogenic therapy including anti- VEGF Ab may be a new treatment option.
Cervix Uteri*
;
Disease-Free Survival
;
Drug Therapy
;
Female
;
Humans
;
Hysterectomy
;
Immunohistochemistry
;
Lymph Node Excision
;
Multivariate Analysis
;
Neoplasm Metastasis
;
Prognosis
;
Radiotherapy
;
Risk Factors
;
Uterine Cervical Neoplasms
;
Vascular Endothelial Growth Factor A*
6.Robust immunoreactivity of teenager sera against peptide 19 from Porphyromonas gingivalis HSP60.
Eun Young KWON ; Gil Sun CHA ; Ji Young JOO ; Ju Youn LEE ; Jeomil CHOI
Journal of Periodontal & Implant Science 2017;47(3):174-181
PURPOSE: Epitope spreading is a phenomenon in which distinct subdominant epitopes become major targets of the immune response. Heat shock protein (HSP) 60 from Porphyromonas gingivalis (PgHSP60) and peptide 19 from PgHSP60 (Pep19) are immunodominant epitopes in autoimmune disease patients, including those with periodontitis. It remains unclear whether Pep19 is a dominant epitope in subjects without periodontitis or autoimmune disease. The purpose of this study was to determine the epitope spreading pattern and verify Pep19 as an immunodominant epitope in healthy teenagers using dot immunoblot analysis. The patterns of epitope spreading in age-matched patients with type 1 diabetes mellitus (type 1 DM) and healthy 20- to 29-year old subjects were compared with those of healthy teenagers. METHODS: Peptide from PgHSP60, Mycobacterium tuberculosis HSP60 (MtHSP60), and Chlamydia pneumoniae HSP60 (CpHSP60) was synthesized for comparative recognition by sera from healthy subjects and patients with autoimmune disease (type 1 DM). Dot immunoblot analysis against a panel of peptides of PgHSP60 and human HSP60 (HuHSP60) was performed to identify epitope spreading, and a densitometric image analysis was conducted. RESULTS: Of the peptide from PgHSP60, MtHSP60, and CpHSP60, PgHSP60 was the predominant epitope and was most consistently recognized by the serum samples of healthy teenagers. Most sera from healthy subjects and patients with type 1 DM reacted more strongly with PgHSP60 and Pep19 than the other peptides. The relative intensity of antibody reactivity to Pep19 was higher in the type 1 DM group than in the healthy groups. CONCLUSIONS: Pep19 is an immunodominant epitope, not only in autoimmune disease patients, but also in healthy young subjects, as evidenced by their robust immunoreactivity. This result suggests that the Pep19-specific immune response may be an initiator that triggers autoimmune diseases.
Adolescent*
;
Autoimmune Diseases
;
Autoimmunity
;
Chlamydophila pneumoniae
;
Diabetes Mellitus, Type 1
;
Epitopes
;
Healthy Volunteers
;
Heat-Shock Proteins
;
Humans
;
Immunodominant Epitopes
;
Mycobacterium tuberculosis
;
Peptides
;
Periodontitis
;
Porphyromonas gingivalis*
;
Porphyromonas*
7.Anterior Inferior Cerebellar Artery Infarction Misdiagnosed as Labyrinthitis: A Case Report.
Chang Hyun CHO ; Youn Kyu LEE ; Sun Young KIM ; Heung Eok CHA
Korean Journal of Otolaryngology - Head and Neck Surgery 2006;49(5):557-560
Anterior inferior cerebellar artery infarction is the second most common cause of brainstem stroke, and usually accompanied by vertigo, unilateral deafness, ipsilateral facial weakness and ataxia. These symptoms can be confused with other peripheral causes of sudden hearing loss accompanying dizziness including acute labyrinthitis, idiopathic sudden hearing loss, perilymphatic fistula and acoustic neuroma. This case report presents a man who first visited our clinic for sudden hearing loss with vertigo, and whom we treated for acute labyrinthitis. However, 3 days later, left facial numbness was observed and the magnetic resonance imaging (MRI) showed an anterior inferior cerebellar infarction. The patient was then transferred to the neurology department and treated with anticoagulant and antiplatelet agents. After 7 days of treatment, the hearing loss and dizziness were improved and the facial numbness resolved.
Arteries*
;
Ataxia
;
Brain Stem Infarctions
;
Deafness
;
Dizziness
;
Ear, Inner*
;
Fistula
;
Hearing Loss
;
Hearing Loss, Sudden
;
Humans
;
Hypesthesia
;
Infarction*
;
Labyrinthitis*
;
Magnetic Resonance Imaging
;
Neurology
;
Neuroma, Acoustic
;
Platelet Aggregation Inhibitors
;
Vertigo
8.Molecular Taxonomic Survey of Mycobacteria Clinical Isolates from Patients in Jeju Island by rpoB Gene Based Molecular Biological Methods.
Hong KIM ; Sun Hyun KIM ; Gill Han BAI ; Young Gil PARK ; Chang Yong CHA ; Yoon Hoh KOOK ; Bum Joon KIM
Journal of Bacteriology and Virology 2004;34(2):113-119
The rpoB gene based sequencing analysis enabled not only the detection of rifampin resistant Mycobacterium tuberculosis, but also the differentiation of species in the genus Mycobacterium. In the present study, we applied the method to 68 isolates of M. tuberculosis (29 from initial treatment cases and 39 from recurrent cases) and 11 clinical isolates of nontuberculous mycobacteia (NTM) isolated from patients in Jeju island. Among rifampin resistant M. tuberculosis, two of 29 strains isolated from patients of initial cases (6.9%) and five of 39 strains isolated from patients of recurrent cases (12.8%) were confirmed to have rifampin resistant genotypes harboring mutations in rif r region of the rpoB gene. In NTM strains, M. fortuitum complex was the most frequently isolated species at the frequency of 54.5% (6/11).
Genotype
;
Humans
;
Mycobacterium
;
Mycobacterium tuberculosis
;
Rifampin
;
Tuberculosis
9.A Pig to Canine Auxiliary Hepatic Xenotransplantation Model: Prevention of Hyperacute Rejection via Blocking the Kupffer Cells and Regulating the Complement Family.
Jae Jeong PARK ; Ku Yong CHUNG ; Jeong Eun LEE ; Cha Kyong YOM ; Jae Gil LEE ; Hyung Joon AHN ; Sei Kwan OH ; Sun Hee SUNG ; Byung Chul KANG ; Ki Hwan HAN
Journal of the Korean Surgical Society 2008;75(5):287-295
PURPOSE: We designed a pig to canine liver xenotransplantation model to study the diverse immunologic and hemodynamic consequences that follow xenotransplantation and hyperacute rejection. METHODS: The animals were divided into two groups: the cobra venom factor and Gadolinium chloride treatment group (CVF+Gd group) (3 cases) and the control group (3 cases). The donor pig's whole liver was harvested, and then the harvested pig's whole liver was transplanted into a dog after the dog underwent left hepatectomy. After reperfusion of the graft, blood samples were taken 20, 40 and 60 minutes after reperfusion, and the liver, lung and kidney tissues were taken 1 hour after reperfusion. RESULTS: In the control group, the grafts showed a patchy hypoperfused liver surface and it felt rubbery solid compared to the CVF+Gd group. The serum total protein, albumin, fibrinogen and platelets decreased abruptly and there were no significant differences between the two groups. The serum PT, PTT and FDP were increased in both groups and the CVF+Gd group showed a more obtuse slope than the control group. We could not find any intravascular pathologic changes on the microscopic findings of the graft. Only scant intravascular fibrin deposition was found. Hepatocellular vacuolization and sinusoidal dilatation were also found. There were patches of necrosis without any zonal distribution, intrasinusoidal neutrophil sequestration and interstitial hemorrhage. These findings were milder in the CVF+Gd group. CONCLUSION: The pig to canine partial auxiliary liver xenotransplantation model is feasible and it is a good model before starting to perform pig to primate liver xenotransplantation. In the CVF+Gd group, pathologic findings like patch hepatocyte necrosis etc. were less severe. As there were no corresponding vascular pathologic findings, these findings are not the direct effect of CVF and gadolinium treatment, and so other factors like Ischemia- reperfusion injury should be considered.
Animals
;
Blood Platelets
;
Cobra Venoms
;
Complement System Proteins
;
Dilatation
;
Dogs
;
Fibrin
;
Fibrinogen
;
Fluconazole
;
Formycins
;
Gadolinium
;
Hemodynamics
;
Hemorrhage
;
Hepatectomy
;
Hepatocytes
;
Humans
;
Kidney
;
Kupffer Cells
;
Liver
;
Lung
;
Necrosis
;
Neutrophils
;
Primates
;
Rejection (Psychology)
;
Reperfusion
;
Reperfusion Injury
;
Ribonucleotides
;
Tissue Donors
;
Transplantation, Heterologous
;
Transplants
10.Comparison between Mammography, Ultrasonography and 99 mTc-MIBI Scintimammography in the Diagnosis of Breast Cancer.
Eun Joo LEE ; Han Kyung LEE ; Mi Sun CHANG ; Kyung Ah JANG ; Kyung Ho CHA ; Jong Ho KIM
Journal of the Korean Radiological Society 2000;42(1):191-197
PURPOSE: To compare the feasibility of 9 9 mTc-MIBI scintimammography as a tumor localizing agent in breast lesions in comparison with that of mammography and ultrasonography, and to evaluate the efficacy of these three modalities. MATERIALS AND METHODS: Sixty-four breast lesions were classified as benign or malignant on the basis of sono-graphic and mammographic criteria and were further analyzed by means of 99mTc-MIBI scintimammography. The classifications thus obtained were compared with the biopsy findings, and in order to compare the three techniques, the sensitivity, specificity, accuracy, and negative and positive predictive values were calculated for each individual modality. RESULTS: Of 64 histologically proven lesions, 33 were malignant and 31 were benign. Sensitivities and specificities for malignancy were 86.2% and 64.5% for mammography, 87.9% and 76.7 % for sonography, and 78.8% and 74.2% for 99mTc-MIBI scintimammography. CONCLUSION: Mammography and ultrasonogrphy are reliable diagnostic modalities for the detection of breast cancer. 99mTc-MIBI scintimammography has a higher specificity than mammography and it may help to reduce unnecessary biopsies.
Biopsy
;
Breast Neoplasms*
;
Breast*
;
Classification
;
Diagnosis*
;
Mammography*
;
Sensitivity and Specificity
;
Ultrasonography*