1.Modification of labeling index of basal cells of tongue epithelium and renal toxicity of cis-diamminedichloroplatinum in mice by diethyldithiocarbamate.
Geon CHOI ; Man Su KIM ; Chong Tae YOON ; Heung Man LEE ; Soon Jae HWANG
Korean Journal of Otolaryngology - Head and Neck Surgery 1993;36(5):877-883
No abstract available.
Animals
;
Cisplatin*
;
Ditiocarb*
;
Epithelium*
;
Mice*
;
Tongue*
2.Effect of the Type and Positon of Scoliosis on the Static Balance of Adolescents.
Na Mi YOON ; Hee Jong YOON ; Geon KIM
Journal of Korean Physical Therapy 2017;29(5):287-291
PURPOSE: This paper provides basic clinical data on the treatment of scoliosis patients by analyzing the effects of the type and position of scoliosis on the static balance using Tetrax on adolescents who have balance disorders as a consequence of structural changes, such as scoliosis. METHODS: A total of 110 adolescents were divided into 6 groups according to the radiographs and 60 adolescents were sampled, 10 each for each group. The static balance was measured and analyzed on the existence of sight using Tetrax. RESULTS: The changes followed by existence of sight in static balance group showed a significant difference statistically in Stability index in all groups (p < 0.001). The changes in the static balance in each group in terms of the stability index were significant in all groups, where the experiments were performed under the eyes opened and eyes-closed condition (p < 0.01)(p < 0.001). The post-hoc comparison revealed the stability index to be the highest in the eyes-opened condition in group III, but not in group IV. In the eyes-closed condition, group III showed the highest stability index of all the groups. CONCLUSION: Adolescents with lumbar scoliosis had a lower static balance in single scoliosis with the eyes-closed condition or had little movement compensation. In addition, unlike the other normal scoliosis, back scoliosis has negative effects on the posture because it causes an increase in the disturbance of posture. Therefore, future studied will be needed to examine the imbalance of posture in people suffering from back pain.
Adolescent*
;
Back Pain
;
Compensation and Redress
;
Humans
;
Posture
;
Scoliosis*
3.The admission test and the fetal acoustic stimulation test in the high risk pregnancy.
Jin Shik LEE ; Wan Suk CHO ; Geon Oh KIM ; Chang Yeon KIM ; Yoon Soon LEE ; Yong Tak KIM
Korean Journal of Obstetrics and Gynecology 1993;36(7):1347-1354
No abstract available.
Acoustic Stimulation*
;
Acoustics*
;
Pregnancy, High-Risk*
4.Primary Papillary Adenocarcinoma of the Ureteric Stump.
Du Geon MOON ; Tae Han KIM ; Jun CHEON ; Duck Ki YOON
Korean Journal of Urology 1994;35(9):1027-1031
After nephrectomy for non-malignant disease, primary tumors of the ureteric stump are extremely rare and present a significant diagnostic problem, and only few cases have been reported in the literature. The very rare adenocarcinoma of the ureter is typically papillary and is associated with urinary tract infection and stones. In adenocarcinoma, because it is often difficult to determine whether the tumor is primary or secondary due to the generalized instability of the urothelium, and its histogenesis and biologic behavior remain uncertain partially due to the rarity of this neoplasm, a diagnostic differentiation pathologically from other tumors is required. We herein describe a case of 68 year old man who had a primary well-differentiated papillary mucigenic. adenocarcinoma of the ureteric stump after nephrectomy for renal stones.
Adenocarcinoma
;
Adenocarcinoma, Papillary*
;
Aged
;
Humans
;
Nephrectomy
;
Ureter*
;
Urinary Tract Infections
;
Urothelium
5.Myiasis in a submandibular metastatic squamous cell carcinoma: a case report.
So Young PARK ; Tae Geon KWON ; Jong Bae KIM ; Chong Yoon JOO
Journal of the Korean Association of Oral and Maxillofacial Surgeons 2000;26(5):550-556
We report a case of myiasis on the left submandibular area after radiation therapy for squamous cell carcinoma. A 77-year-old man visited our hospital, 7 weeks after complicating a course of radiation therapy, had a 7cm diameter necrotic ulcer on the left submandible. The margin of the lesion were undermined by numerous interlinking passages containing 20 maggots. The maggots were removed by simple extraction and were identified as Calliphoridae Lucilia. The probable origin of the myiasis in this case was attributed to poor environmental condition and general weakness of the patient. Oppotunistic cutaneous myiasis can be prevented by protecting open wounds from flies, wound should not be left without a covering capable of excluding flies, especially in the summer month.
Aged
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Carcinoma, Squamous Cell*
;
Diptera
;
Humans
;
Larva
;
Myiasis*
;
Ulcer
;
Wounds and Injuries
6.Intramedullary Nailing versus Minimally Invasive Plate Osteosynthesis for Distal Tibia Shaft Fractures: Retrospective Comparison of Functional and Cosmetic Outcomes
Kahyun KIM ; In Hee KIM ; Geon Jung KIM ; SungJoon LIM ; Ji Young YOON ; Jong Won KIM ; Yong Min KIM
Journal of Korean Foot and Ankle Society 2023;27(3):93-98
Purpose:
This study compared the functional and cosmetic treatment outcomes of intramedullary nailing (IM nail) and minimally invasive plate osteosynthesis (MIPO) for distal tibia shaft fractures.
Materials and Methods:
Forty-eight patients with distal tibia shaft fractures (distal 1/3 of the diaphysis, AO/OTA [AO Foundation/ Orthopaedic Trauma Association]) 43 managed by an IM nail (n=30) or MIPO (n=18) who had minimum one-year follow-up were enrolled in this study. The radiological, functional, and cosmetic outcomes in the two groups were compared retrospectively.
Results:
All patients achieved bone union. The mean bone union time of the IM nail and MIPO groups was 18.5 and 22.6 weeks, respectively (p=0.078). One patient in the MIPO group showed posterior angulation and valgus deformity of more than five degrees. The mean American Orthopaedic Foot and Ankle Society (AOFAS) functional scores were similar: 83.3 in the IM nail group and 84.6 in the MIPO group (p=0.289). The most salient difference was the cosmetic result of the surgical scar. The length of the scars around the ankle in the IM nail group was significantly smaller than the MIPO group (2.6 cm vs. 10.6 cm; p=0.035). The patient satisfaction survey of surgical scars revealed a significantly higher satisfaction rate in the IM nail group than in the MIPO group (93% vs. 44%; p<0.001).
Conclusion
This study showed that both treatment methods for distal tibia shaft fractures have similar therapeutic efficacy regarding the radiological and functional outcomes. On the other hand, the IM nail technique showed superior cosmetic outcomes than the MIPO technique. IM nails may be more recommended in patients with high demand for cosmetic results.
7.Erratum: Biofeedback Therapy Before Ileostomy Closure in Patients Undergoing Sphincter-Saving Surgery for Rectal Cancer: A Pilot Study.
Jeong Ki KIM ; Byeong Geon JEON ; Yoon Suk SONG ; Mi Sun SEO ; Yoon Hye KWON ; JI Won PARK ; Seung Bum RYOO ; Seung Yong JEONG ; Kyu Joo PARK
Annals of Coloproctology 2015;31(5):205-205
In this article, the sixth author's affiliation was misprinted unintentionally.
8.Genetic analysis of ABCG2 and SLC2A9 gene polymorphisms in gouty arthritis in a Korean population.
Yun Sung KIM ; Yunsuek KIM ; Geon PARK ; Seong Kyu KIM ; Jung Yoon CHOE ; Byung Lae PARK ; Hyun Sook KIM
The Korean Journal of Internal Medicine 2015;30(6):913-920
BACKGROUND/AIMS: Gout is a common inf lammatory arthritis triggered by the crystallization of uric acid in the joints. Serum uric acid levels are highly heritable, suggesting a strong genetic component. Independent studies to confirm the genetic associations with gout in various ethnic populations are warranted. We investigated the association of polymorphisms in the ABCG2 and SLC2A9 genes with gout in Korean patients and healthy individuals. METHODS: We consecutively enrolled 109 patients with gout and 102 healthy controls. The diagnosis of gout was based on the preliminary criteria of the America College of Rheumatology. Genomic DNA was extracted from whole blood samples. We identified single nucleotide polymorphism (SNP) changes in the ABCG2 and SLC2A9 genes using a direct sequencing technique. rs2231142 in ABCG2 and rs6449213 and rs16890979 in SLC2A9 and nearby regions were amplified by polymerase chain reaction. RESULTS: Patients with gout had significantly higher A/A genotype (29.3% vs. 4.9%, respectively) and A allele (52.8% vs. 26.5%, respectively) frequencies of rs2231142 in ABCG2 than did controls (chi2 = 29.42, p < 0.001; odds ratio, 3.32; 95% confidence interval, 2.11 to 5.20). We found novel polymorphisms (c.881A>G and c.1002+78G>A) in the SLC2A9 gene. The univariate logistic regression analysis revealed that the c.881A>G and c.1002+78G>A SNPs were significantly higher in patients than in controls. CONCLUSIONS: We demonstrated a significant association between rs2231142 in the ABCG2 gene and gout and identified novel SNPs, c.881A>G and c.1002+78G>A, in the SLC2A9 gene that may be associated with gout in a Korean population.
ATP-Binding Cassette Transporters/*genetics
;
Arthritis, Gouty/blood/diagnosis/ethnology/*genetics
;
Asian Continental Ancestry Group/genetics
;
Biomarkers/blood
;
Case-Control Studies
;
Chi-Square Distribution
;
Gene Frequency
;
Genetic Association Studies
;
Genetic Predisposition to Disease
;
Glucose Transport Proteins, Facilitative/*genetics
;
Haplotypes
;
Humans
;
Logistic Models
;
Neoplasm Proteins/*genetics
;
Odds Ratio
;
Phenotype
;
*Polymorphism, Single Nucleotide
;
Republic of Korea
;
Risk Factors
;
Uric Acid/blood
9.The Role of Oxidative Stress in Neurodegenerative Diseases.
Geon Ha KIM ; Jieun E KIM ; Sandy Jeong RHIE ; Sujung YOON
Experimental Neurobiology 2015;24(4):325-340
Oxidative stress is induced by an imbalanced redox states, involving either excessive generation of reactive oxygen species (ROS) or dysfunction of the antioxidant system. The brain is one of organs especially vulnerable to the effects of ROS because of its high oxygen demand and its abundance of peroxidation-susceptible lipid cells. Previous studies have demonstrated that oxidative stress plays a central role in a common pathophysiology of neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. Antioxidant therapy has been suggested for the prevention and treatment of neurodegenerative diseases, although the results with regard to their efficacy of treating neurodegenerative disease have been inconsistent. In this review, we will discuss the role of oxidative stress in the pathophysiology of neurodegenerative diseases and in vivo measurement of an index of damage by oxidative stress. Moreover, the present knowledge on antioxidant in the treatment of neurodegenerative diseases and future directions will be outlined.
Alzheimer Disease
;
Brain
;
Neurodegenerative Diseases*
;
Oxidation-Reduction
;
Oxidative Stress*
;
Oxygen
;
Parkinson Disease
;
Reactive Oxygen Species
10.Asian Ethnic Group Classification Model Using Data Mining.
Yoon Geon KIM ; Ji Hyun LEE ; Sohee CHO ; Moon Young KIM ; Soong Deok LEE ; Eun Ho HA ; Jae Joon AHN
Korean Journal of Legal Medicine 2017;41(2):32-40
In addition to identifying genetic differences between target populations, it is also important to determine the impact of genetic differences with regard to the respective target populations. In recent years, there has been an increasing number of cases where this approach is needed, and thus various statistical methods must be considered. In this study, genetic data from populations of Southeast and Southwest Asia were collected, and several statistical approaches were evaluated on the Y-chromosome short tandem repeat data. In order to develop a more accurate and practical classification model, we applied gradient boosting and ensemble techniques. To infer between the Southeast and Southwest Asian populations, the overall performance of the classification models was better than that of the decision trees and regression models used in the past. In conclusion, this study suggests that additional statistical approaches, such as data mining techniques, could provide more useful interpretations for forensic analyses. These trials are expected to be the basis for further studies extending from target regions to the entire continent of Asia as well as the use of additional genes such as mitochondrial genes.
Asia
;
Asian Continental Ancestry Group*
;
Classification*
;
Data Mining*
;
Decision Trees
;
Ethnic Groups*
;
Genes, Mitochondrial
;
Health Services Needs and Demand
;
Humans
;
Microsatellite Repeats
;
Models, Statistical