1.Clinical Features of Conjunctival Nevi in Korean Patients.
Hwan Eok YEO ; Sun Ho LEE ; Ji Won KWON
Journal of the Korean Ophthalmological Society 2009;50(10):1510-1513
PURPOSE: To evaluate clinical features and therapeutic modality of conjunctival nevi in Korean patients. METHODS: A retrospective analysis was performed on 197 patients (75 males and 122 females) with nevi who were diagnosed by slit lamp examination from 1997 to 2008. RESULTS: Nevi occurred most commonly on bulbar conjunctiva (88%), followed by caruncle and plica semilunaris (7%). The nevi involved temporal (71%), nasal (21%), inferior (2.8%) and superior (0.7%) quadrants of the conjunctiva. The mean horizontal length was 4.3+/-2.0 mm and the mean vertical 4.45+/-2.2 mm. Thirty-five patients (7.8%) received no treatment. Excisional biopsy was performed in 38 patients (19.3%). Argon laser photoablation of conjunctiva nevi was performed in 124 patients (62.9%). CONCLUSIONS: The pattern of conjunctival nevi in Korean patients was similar to Caucasian patients. The biopsy was performed according to appropriate guidelines however, nevus which does not require a biopsy, could be treated by argon laser photoablation.
Argon
;
Biopsy
;
Conjunctiva
;
Humans
;
Male
;
Nevus
;
Retrospective Studies
2.CT findings of the lipomas in the neck.
Hyuk Po KWON ; Ho Son CHUNG ; Jae Ho CHO ; Sun Yong KIM ; Bok Hwan PARK ; Hong Jin KIM
Journal of the Korean Radiological Society 1991;27(4):492-496
3.The Accuracy of diabetic mellitus screening test in periodic health examination.
Chung Hwan KIM ; Gu Il KWON ; Hae Kyoung KIM ; Sun Mi YOO ; Yoo Seock CHEONG ; Eal Whan PARK
Journal of the Korean Academy of Family Medicine 2000;21(10):1299-1306
No Abstract Available.
Mass Screening*
4.Early Results of Endovascular Aneurysm Repair in Abdominal Aortic Aneurysms.
Sun Young MIN ; Sun Jin PARK ; Se Hwan KWON ; Joo Hyeong OH ; Ho Chul PARK
Journal of the Korean Society for Vascular Surgery 2007;23(1):11-18
PURPOSE: We report early experiences on endovascular abdominal aortic aneurysm repair (EVAR). METHOD: We reviewed the results of 15 patients underwent EVAR between 2003 and 2007 in the Kyung Hee University Medical Center, retrospectively. RESULT: Mean age of patients was 71.2 years (range, 51~85 years). 14 patients (93.3%) had comorbidities. All of AAAs were infrarenal types. The mean size of AAA was 58.5 mm (38~91 mm), and the mean length, diameter, and angle of neck was 26.4 mm, 19.9 mm, and 37.7degrees, respectively. Ten patients were accompanied with iliac aneurysm. 14 were bifurcated grafts and 1 was straight tubular graft. Mean procedure time was 100.6 minutes. Mean length of hospitalization was 6.5 days (2~10 days). There was no need of transfusion or use of an intensive care unit. Fever of unknown origin occurred in 7 cases but resolved spontaneously. Device deployment was successful in 100% (primary 9 cases, assisted-primary 6 cases). There were seven endoleaks during interventions. One patient with secondary type II endoleak and suprarenal enlargement of AAA sac died from aortoenteric fistula. In one patient with perigraft abscess after EVAR, surgical drainage was performed. Decrease of AAA diameter > or =5 mm in two patients, newly developed suprarenal aortic aneurysm in one patient were detected on CT scan during mean follow-up of 11.4 months (2-29 months) and remained unchanged in other twelve cases. CONCLUSION: These early results suggest that EVAR offers considerable benefits for appropriate patients, but is thought to need more experiences and long-term outcomes.
Abscess
;
Academic Medical Centers
;
Aneurysm*
;
Aortic Aneurysm
;
Aortic Aneurysm, Abdominal*
;
Comorbidity
;
Drainage
;
Endoleak
;
Fever of Unknown Origin
;
Fistula
;
Follow-Up Studies
;
Hospitalization
;
Humans
;
Iliac Aneurysm
;
Intensive Care Units
;
Neck
;
Retrospective Studies
;
Tomography, X-Ray Computed
;
Transplants
5.The Influence of DNA Ploidy, Index and Lymph Node Status on Disease Free Survival in Patients with Colorectal Cancer.
Sun Keun CHOI ; Joo Hwan JEONG ; Sun Young BAE ; Young Sik KWON ; Kee Chun HONG ; Seok Hwan SHIN ; Ze Hong WOO
Journal of the Korean Society of Coloproctology 2000;16(3):186-192
The DNA flow cytometric analysis in colorectal cancer has been studied for more than 10 years as an independent prognostic factor or a factor correlated with other preexistent prognostic factors, such as the depth of invasion, lymph node status, histologic differentiation, etc. To clarify the influence of DNA contents (DNA ploidy, DNA index) and lymph node status on disease free survival in colorectal cancer, we investigated the relationship between them, retrospectively. METHODS: This study included 198 patients with curatively resected Dukes' stage A, B, and C colorectal cancer who had taken DNA flow cytometric analysis from June of 1996 to March of 1999 at Department of Surgery, Inha University Hospital. RESULTS: In over all twelve-month disease free survival, there were 92.5% in DNA diploid and 74.3% in DNA aneuploid tumors. And so forth, there were 78.0% in positive and 91.9% in negative lymph node tumors. In the event of a DNA index greater and lesser than 1.15, the twelve-month disease free survival was 72.9% and 92.7%, respectively. These results were statistically significant (p<0.05). Therefore, patients with a negative lymph node, diploid colorectal cancer or DNA index lesser than 1.15 had a longer disease free survival than those with a positive lymph node, aneuploid one or DNA index greater than 1.15. CONCLUSIONS: In conclusion, there seems to be a significant relationship between DNA contents and lymph node status on disease free survival. Thus, these factors are considered to be valuable in predicting the recurrence of colorectal cancer.
Aneuploidy
;
Colorectal Neoplasms*
;
Diploidy
;
Disease-Free Survival*
;
DNA*
;
Humans
;
Lymph Nodes*
;
Ploidies*
;
Recurrence
;
Retrospective Studies
6.Detection of Brain Metastatses Using Limited Brain MR Imaging ; Usefulness of Limited Contrast-Enhanced MR Imaging in Brain Metastasis.
Sun Jung KWON ; Yun Sun LEE ; Jin Yong AN ; Hee Sun PARK ; Sung Soo JUNG ; Ju Ock KIM ; Jin Hwan KIM ; Chang Joon SONG ; Sun Young KIM
Tuberculosis and Respiratory Diseases 2003;55(5):499-505
BACKGROUND: The brain is a common site of a metastasis in lung cancer patients. If left untreated, the patients succumb to progressive neurological deterioration with a lower survival rate than with other metastases sites. Contrast-enhanced MR imaging in the absence of symptoms or clinical signs is not recommended for identifying a cerebral metastasis in lung cancer patients because of management effectiveness. This pilot study was performed to estimate whether or not limited brain MR imaging, which has a lower cost, could be used to replace conventional brain MR imaging. METHOD: Between April 1999 and March 2001, 43 patients with a primary lung cancer and the others (breast cancer, stomach cancer, colon cancer, malignant melanoma etc), who had neurological symptoms and signs, were examined using conventional brain MR imaging to examine brain metastases. The control group involved four patients who had no evidence of brain metastases the sensitivity, specificity and correlation of limited brain MR imaging were compared with conventional brain MR imaging. RESULTS: All the 43 patients who were examined with conventional brain MR imaging showed evidence of brain metastases, whereas limited brain MR imaging indicated that 42 patients had brain metastases(sensitivity=97.67%). One patient in whom limited brain MR imaging showed no brain metastasis had a metastasis in the cerebellum, as shown by the contrast-enhanced T1 weighted axial view using conventional brain MR imaging. The conventional brain MR imaging and the limited brain MI imaging of the 4 control patients both indicated no brain metastases (specificity=100 %). The Pearson Correlation of the two groups was 0.884(Confidence Interval : 99%) observed. CONCLUSION: Limited brain MR imaging can detect a brain metastasis with the same accuracy. In addition, it is cost-effective (229,000 won, 180$) compared to conventional brain MR imaging(529,000 won, 480$) when patients had neurological symptoms and signs or staging.
Brain*
;
Cerebellum
;
Colonic Neoplasms
;
Humans
;
Lung Neoplasms
;
Magnetic Resonance Imaging*
;
Melanoma
;
Neoplasm Metastasis*
;
Pilot Projects
;
Stomach Neoplasms
;
Survival Rate
7.Antihypertensive Effects and Safety of Manidipine in Patients with Essential Hypertension.
Won Ho LEE ; Moo Yeol LEE ; Kyung Hwan SON ; Heung Sun KANG ; Chung Whee CHOUE ; Kwon Sam KIM ; Myung Shick KIM ; Jung Sang SONG ; Jong Hoa BAE
Korean Circulation Journal 1995;25(6):1234-1240
BACKGROUND: Calcium antagonists are highly effective agents for lowering high blood pressure and play a very important role in the treatment of Patient with ischemic heart disease and various other cardiovascular disorder. Manidipine, a dihydropyridine-type ccalcium channel blocker, is a potent relaxant of the arteriolar smooth muscle. We studied ths new calcium channel blocker to evaluated the efficacy and safety in patients with essectial hypertension. METHODS: Twenty patients(ten women and ten men;range of age, 30-66 years old)with mild-to-moderate essential hypertension were enrolled in this study. After a placebo run-in phase of two weeks duration, 5mg-20mg manidipine once daily orally was administered for eight weeks. RESULTS: 1) At the end of 8 weeks of manidipine therapy, systolic and diastolic blood pressure were significantly reduced from 160.1+/-11.8/105.5+/-5.1mmHG in sitting, 160.1+/-12.1/104.5+/-5.4mmHG in supine, 157.1+/-17.0/104.1+/-5.3mmHg in standing to 128.4+/-10.1/85.2+/-5.7mmHg in sitting, 129.1+/-10.2/84.2+/-5.9mmHg in supine, 128.1+/-12.8/86.7+/-5.9mmHg in standing(p<0.01). 2) The pulse rate did dnot change significantly. 3) The reduction of mean systolic and diastolic blood pressur at the end of 8 weeks were 31.5+/-14.5/20.3+/-7.4mmHg in sitting. 4) There was no serious side effect except mild symptom, mild headache(6 casem 30%) and facial flushing(1 case, 5%). CONCLUSION: These results indicate that manidipine is an effective and safe antihypertensive agent in the treatment of mild and moderate essential hypertension.
Blood Pressure
;
Calcium
;
Calcium Channels
;
Female
;
Heart Rate
;
Humans
;
Hypertension*
;
Muscle, Smooth
;
Myocardial Ischemia
8.The Study on Classification Method of Obsessive-Compulsive Disorder with Schizotypal Trait using Frontal Lobe Function Test.
Soo Mi LIM ; Baek Hwan CHO ; Kyung Jin LEE ; So Young YOO ; Jun Soo KWON ; In Young KIM ; Sun I KIM
Journal of Korean Society of Medical Informatics 2006;12(2):141-151
OBJECTIVE: The identifying schizotypal trait in obsessive-compulsive disorder (OCD) patients is important to predict clinical course, since those patients are hardly overcome through conventional intervention methods. This paper presents the trial of classification method of obsessive-compulsive disorder with schizotypal trait using Frontal Lobe Function Test (FLFT). METHODS: 110 OCD patients are divided into two groups:27 pure OCD patients, and 83 non-pure OCD patients. After training artificial neural network (ANN) using frontal-lobe function test data of train data (schizophrenia, pure OCD, and normal group), we classify test data (non-pure OCD patients) into one of the three groups. RESULTS: Among the total 83 test data (non-pure OCD patients), 44 patients were classified as schizophrenia, 32 patients as normal, and 7 patients as pure OCD. With respect to the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) data of those classified patients, ordering score in compulsion was significantly different between three groups. Moreover, cluster A socre (Schizoid, Schizotypal) of Personality Diagnostic Questionnaire (PDQ) data showed significant difference between them. CONCLUSION: The results presented that those OCD patients who are classified as schizophrenia using generated model with machine learning technique is tend to have compulsive symptom of arrangement and schizotypal personality disorder.
Machine Learning
;
Classification*
;
Frontal Lobe*
;
Humans
;
Obsessive-Compulsive Disorder*
;
Surveys and Questionnaires
;
Schizophrenia
;
Schizotypal Personality Disorder
9.The Validity and Reliability of the Kaigo-Yobo Checklist in Korean Elderly.
Hwan Sik HWANG ; Jong Lull YOON ; Byung Joo PARK ; Hyun Rim CHOI ; In Sun KWON ; Shoji SHINKAI ; Ryutaro TAKAHASHI
Journal of the Korean Geriatrics Society 2012;16(3):121-132
BACKGROUND: This study was done to evaluate the validity and reliability of the Kaigo-Yobo (K-Y) checklist in the Korean elderly population. METHODS: The study population included 283 men and women over 65 years who visited the three community senior's welfare centers located in Seoul and Gyeonggi province from March 29, 2011 to May 26, 2011. The Korean frailty index (FI), Japanese K-Y checklist, Cardiovascular Health Study frailty index (CHSFI), activities of daily living, and Korean Mini-Mental Status Examination were completed for each participant. Reliability was tested by internal consistency (Cronbach's alpha), as was the test-retest reliability, at a 2-week interval. Validity was tested by the area under the curve (AUC) from the receiver operating characteristics curve as a predictor of frailty according to the CHS criteria and the validity index estimated by the reliability index. RESULTS: The correlation coefficients between Korean FI and K-Y checklist, Korean FI and CHSFI, and K-Y checklist and CHSFI were 0.61, 0.43, and 0.44 respectively. The range of Kappa value for each item on the Korean FI was 0.28 to 0.60 and 0.19 to 0.65 for the K-Y checklist. Cronbach's alpha for the Korean FI was 0.58 and 0.64 for the K-Y checklist. The AUC for the Korean FI was 0.79, and 0.64 for the K-Y checklist. The validity index for the items on the Korean FI ranged from 0.28-0.53 to 0.60-0.78 and 0.19-0.44 to 0.65-0.81 for the K-Y checklist. CONCLUSION: The K-Y checklist is a valid and reliable instrument to measure frailty in the Korean elderly population. Follow-up studies are needed.
Activities of Daily Living
;
Aged
;
Area Under Curve
;
Asian Continental Ancestry Group
;
Checklist
;
Female
;
Humans
;
Male
;
Reproducibility of Results
;
ROC Curve
10.A Comparative Study of Effect of Secondary Anti-tuberculosis Drugs in the Retreatment of Pulmonary Tuberculosis.
Hyun Cheol HA ; Eun Soo KWON ; In Hwan CHIO ; Su Hee HWANG ; Seung Kyu PARK ; Sun Dae SONG
Tuberculosis and Respiratory Diseases 1998;45(6):1154-1166
BACKGROUND: In the management of patients whose primary chemotherapy has failed, careful assessment is essential. It is important to find out as accurate a chemotherapy history as possible. Preferably it should contain the drugs which has never used before. The purpose of present study is establishment of retreatment regimen for pulmonary tuberculosis. The present report concerns the results of retreatment of pulmonary tuberculosis patients treated at National Masan Tubersulosis Hospital. METHOD: Retrospective cohort study was made 104 drug-resistant pulmonary tuberculosis patients who were treated by five regimens between Jan. 1994 and Now. 1996. All the patients taken medicine for second anti-tuberculosis regimens for the first time. We separated the patients by three groups(Group l : OFX+PTA+CS+PAS+Aminoglycoside, Group ll : PZA+PTA+CS+PAS+Aminoglycoside, Group lll : PZA+OFX+PTA+PAS+Aminoglycoside). RESULTS: The age distribution was most frequent in fourth decade(36patients, 34.6%) and the mean age was 42.6 year. The sex distribution was most frequent in the males(81patients, 85.7%). There was 31 patients(29.8%) with combined diseaes, 18 patients with complication and 24 patients(27.9%) with family history. Primary chemotherapy regaimens were HERAZ(S or K) in 48 patients (46.2%), HER(S or K) in 41 patients (39.4%) and others in 15 patients(14.4%). Result of drug sensivivity test showed that the resistance to INH and RFP is in 68 patients(65.4%), RFP is in 12 patients(11.5%), INH s in 3 patients(2.9%) and all sensitive to INH and RFP is 3 patients(2.9%). The clinical symptoms on admission were coughing(89.4%), sputum(69.2%), dyspenea on exertion(37.5%), weight loss(33.7%) blood tinged sputum (15.4%) and otheres. The extent of disease on the radiograph was far-advanced in 73 patients (70.2%), moderate in 28 patients(26.9%) and minimal in 3 patients(2.8%). The side effects for drugs were gastrointestinal troubles in 31 patients(29.8%), arthralgai in 22 patients(21.2%), skin rash in 12 patients(11.5%) and others. The negative conversion rate on sputum AFB smear was 85.6%(87.5% in Group l, 80% in Group ll and 90.5% in Group lll). The average negative conversion time on sputum was 4 month(4.0 month in Group l, 4.6 month in Group ll and 3.0 month in Group III). CONCLUSION: In the retreatment of pulmonary tuberculosis, ofloxacin is useful drug for the patients who are not available to use PZA and combination of PZA and OFX can be use effectively substively substituting for CS.
Age Distribution
;
Cohort Studies
;
Drug Therapy
;
Exanthema
;
Humans
;
Ofloxacin
;
Retreatment*
;
Retrospective Studies
;
Sex Distribution
;
Sputum
;
Tolnaftate
;
Tuberculosis, Pulmonary*