Lee, Seung Min;Oh, Yoon Jung;Jun, Yong Hoon;Hong, Young Jin;Son, Byong Kwan;Kim, Soon Ki;Han, Jee Young;Chu, Young Chae
Clinical and Experimental Pediatrics
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v.49
no.2
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pp.167-172
/
2006
Purpose : Palpable lymph nodes are common in the pediatric population, and most of them are either inflammatory or congenital. As the diagnostic evaluation, fine needle aspiration cytology (FNAC) is known to be more convenient and economical than tissue biopsy. We evaluated the usefulness of FNAC in children and adolescents. Methods : Four hundred and thirteen FNAC samples(M : F=1 : 1.15) were retrospectively analyzed in patients who were brought to Inha University Hospital, from August 1999 to August 2004. Results : The most common age group was 16-20 years of age(N=148, 35.8 percent). The cervical area was the most frequently involved site(N=310, 75 percent). Non-specific lymphadenitis was the most common(N=227, 54.9 percent), followed by the benign neoplasm(N=59, 14.2 percent). Malignant tumors were 18 cases(4.3 percent), and congenital diseases were found in 10 cases(2.4 percent). In inflammatory lesions, tuberculous lymphadenitis(N=22, 5.3 percent) was the most common with a histologic sensitivity of 90.9 percent. The peripheral blood and serologic studies were non-specific. Fifty nine percent(N=244) of lymphadenitis improved without specific management. Antibiotics were prescribed in 15.2 percent of lymphadenitis and lymphadenectomy was performed in 12.6 percent. Conclusion : Most of the enlarged lymph nodes in children and adolescents were benign. These results show FNAC is a safe, rapid and reliable diagnostic procedure for the appropriate differential diagnosis of enlarged lymph nodes in children and adolescents.
Park, You-Gyoung;Park, Mi-Young;Sung, Mi-Kyung;Kwon, Hoonjeong
Journal of the Korean Society of Food Science and Nutrition
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v.34
no.3
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pp.374-379
/
2005
The intake of health foods with physiological effects may cause adverse effects due to their intrinsic compounds, external contamination or consumers' eating patterns. To keep pace with the increasing interest on the safety assurance, Health Functional Food Act has been enacted and standards and specifications for 32 products have been proclaimed by Korea Food and Drug Administration in 2004. To reduce the safety problems related with the intake of non regulated health intended food, we classified the health intended foods materials into two groups, as proclaimed health functional food materials and others, and examined the difference of intake patterns on both categories. Among 16,474 health intended foods responded by 5,175 respondents and their household members, 49.2% were categorized as health functional food materials. The average number of total health intended foods intake and health functional foods intake per person were 3.19 and 1.58 respectively. The proportion of health functional foods in total health intended foods per person was higher in the group with less than 20 years old, therefore this age group needs relatively low concern. On the other hand, 40-59 years old females who have taken the highest number of health food items, 30-59 years old males who had the lowest proportion of health functional foods to total health intended food, and their consumed foods such as medicinal plant and animal protein based restoratives need relatively high concern about intake safety of health foods.
Objectives: In narcoleptic patients diagnosed with ICSD (international classification of sleep disorders, 1990) criteria, nocturnal polysomnography, and MSLT (multiple sleep latency test), we tried to find characteristic features of quantitative electroencephalography (QEEG) in a wakeful state. Methods: We compared eight drug-free narcoleptic patients with sex- and age-matched normal controls, using computerized electroencephalographic mapping technique and spectral analysis. Absolute power, relative power, interhemispheric asymmetry, interhemispheric and intrahemispheric coherence, and mean frequency in each frequency band (delta, theta, alpha and beta) were measured and analyzed. Results: Compared with normal controls, narcoleptic patients showed decrease in monopolar interhemispheric coherence of alpha frequency bands in occipital ($O_1/O_2$), parietal ($P_3/P_4$), and temporal ($T_5/T_6$) areas and beta frequency band in the occipital ($O_1/O_2$) area. Monopolar intrahemispheric coherences of alpha frequency bands in left hemispheric areas ($T_3/T_5$, $C_3/P_3$ & $F_3/O_1$) decreased. Decrease of monopolar interhemispheric asymmetry of delta frequency band in the occipital ($O_1/O_2$) area was also noted. The monopolar absolute powers of beta frequency bands decreased in occipital ($O_2,\;O_z$) areas. Conclusion: Decreases in coherences of narcoleptic patients compared with normal controls may indicate fewer posterior neocortical interhemispheric neuronal connections, and fewer left intrahemispheric neuronal connections than normal controls in a wakeful state. Therefore, we suggest that abnormal neurophysiological sites of narcolepsy may involve complex areas such as neocortex and subcortex as well as the brainstem.
Ha, Hyun-Cheol;Kwon, Eun-Soo;Choi, In-Hwan;Hwang, Su-Hee;Park, Seung-Kyu;Song, Sun-Dae
Tuberculosis and Respiratory Diseases
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v.45
no.6
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pp.1154-1166
/
1998
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 Tuberculosis Hospital. Methods : Retrospective cohort study was made of 104 drug-resistant pulmonary tuberculosis patients who were treated by five regimens between Jan. 1994 and Nov. 1996. All the patients taken medicine for second anti-tuberculosis regimens for the first time. We separated the patients by three groups(Group I ; OFX+PTA+CS+PAS+Aminoglycoside, Group II : PZA+PTA+CS+PAS+Aminoglycoside, Group III : 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 more frequent in the males(81 patients, 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 regimens were HERZ(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 sensitivity test showed that the resistance to INH and RFP is in 68 patients(65.4%), RFP is 12 patients(11.5%), INH is 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%), dyspnea on exertion(37.5%), weight loss(33.7%) blood tinged sputum(15.4%) and others. 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(2.9%). The side effects for drugs were gastrointestinal troubles in 31 patients(29.8%), arthralgia 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 I, 80.0% in Group II and 90.5% in Group III). The average negative conversion time on sputum was 4 month(4.0 month in Group I, 4.6 month in Group II 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 substituting for CS.
Background: LKB1(STK11) is a serine/threonine kinase that functions as a tumor growth suppressor. The functions of LKB1 in lung cancer are not completely understood. This study evaluated the relationship between LKB1 protein expression and the clinicopathological features in lung cancer tissues. Methods: The expression of LKB1 was studied in paraffin-embedded tumor blocks, which were obtained from 77 patients who had undergone surgery at Wonkwang University Hospital. The expression of the LKB1 protein was considered positive if the staining intensity in the tumor tissue adjacent to the normal airway epithelium was >30%. Results: The LKB1 expression was positive in 31 (40%) of samples. Loss of LKB1 expression was significantly associated with being male, smoking history, and squamous cell carcinoma. In the peripheral sites, the loss of LKB1 expression was strongly associated with a smoking history. A loss of LKB1 expression was more frequently associated with progression according to TNM staging, particularly more than T2, N progression. Conclusion: There was a significant relationship between the loss of the LKB1 protein and gender, smoking history, and histological type in primary lung cancer. Although LKB1 expression was not found to be a significant prognostic factor, further studies with a larger cohort of patient's lung cancer tissue samples will be needed to confirm this.
Journal of Korean Home Economics Education Association
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v.19
no.4
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pp.219-232
/
2007
The purpose of this study was to investigate middle school Home Economics(HE) teachers' perspective on HE curriculum, their Housing Education Value in Home Economics, and then find out correlations between them. Questionnaire was administered to HE teachers who had experienced teaching Housing content over the whole country through e-mail or face-to-face meeting. 207 data collected from the responses were finally analyzed statistically with mean, standard deviation, percentage, T-test, one-way ANOVA, post verification(Scheffe) and Pearson correlation by using SPSS/WIN(ver. 10.0) program. The results of the study were as follows: First, about Home Economics teachers' perspective on HE curriculum, the existential perspective was the highest, followed by the structural perspective and the traditional perspective. Second, about their perspectives on Housing Education Value, generally the most important thing they value was an aspect of ecology, followed by an aspect of economics, an aspect of Socio-Psychology, an aspect of space planning, an aspect of local environment, an aspect of career education, an aspect of culture, an aspect of housing management and an aspect of housing policy. Third, about the relation between their perspectives on curriculum and Housing Education Value, among 9 kinds of Housing Education Value, the traditional perspective was low associated with only housing management value including to Housing Education Value. However, the existential perspective and the structural perspective tended to be moderately or low associated with most of the values including to Housing Education Value.
This study was conducted to investigate the oral health related quality of life in elders concerning to residence at urban and rural. The subjects were 215 old persons who were over the 60 years old, living at Sahagu in Busan(113persons) and Geojer Si in Kyungnam (102persons). The data for this study were collected by direct interviewing method from May 30 th to June 30 th and September 12 th, 2005. Cushing & Sheiham's Sociodental Scale which measures oral health related quality of life was used for this study. The data were analysed by a computerized program named statistical package for social science including frequency, percentage, t-test. The results of this study were summarized as follows; 1. Mean score of the oral health related quality of life in elders is $2.42{\pm}1.03$ 2. There was a significant difference in oral health related quality of life in elders between the age 60 ~ 70 years group and the over than 71 years group(P < 0.01). 3. There was a significant difference in oral health related quality of life in elders between the urban and rural group(P < 0.05). Above findings suggest that further study about proper program for geriatric oral health evaluation is necessary in improving the oral health related quality of life in elders.
The purpose of this study was to examine the patients' knowledge and expectation of dental implants and to provide effective consulting and accurate information on implants to them. To that end, between March 23, 2008 and June 5, 2008, patients who were visiting dental clinics (hospitals) in Seoul, Gyeonggi-do, and Incheon areas were surveyed. 84.7% of subjects said that they recognized implants, and the largest number of them (26.7%) of subjects came to know via friends. According to an analysis of subjects' knowledge of the dental implant operation, the maximum value was 4.06, and the minimum value was 3.05. The opinion value on the need to have regular examination after the implant operation was highest at 4.06. Regarding expectation over the implant operation, the maximum value was 4.42, and the minimum value was 1.78. The opinion value on considering the implant operation capability the most important was the highest at 4.42. The relationship between the knowledge of and expectation over implants was significant. By gender, females had a significantly higher level of knowledge than males. Regarding preference, females scored 3.27 points, and males scored 3.23 points. By occupation, professionals earned the highest score of 3.55 in knowledge, and professionals earned the highest score of 3.31 in expectation. According to an analysis of the relation between variables of knowledge of and variables of expectation over implants, the correlation coefficient (r) between the two factors was 0.362, indicating a positive relevancy(+)(p<.01).
Manganese is an essential element in the body. It is mainly deposited in the liver and to a lesser degree in the basal ganglia of the brain and eliminated through the bile duct. Rapid turnover of managanese in the body makes it difficult to evaluate the manganese exposure in workers, esecially in those with irregular or intermittent exposure, like welders. Therefore, conventional biomarkers, including blood and urine manganese can provide only a limited information about the long-tern or cumulative exposure to manganese. Introduction of magnetic resonance imaging (MRI) made a progress in the assessment of manganese exposure in the medical conditions related to manganese accumulation, e. g. hepatic failure and long-term total parenteral nutrition. Manganese shortens spin-lattice(T1) relaxation time on MRI due to its paramagnetic property, resulting in high signal intensity (HSI) on T1-weighted image(T1W1) of MRI. Manganese deposition in the brain, therefore, can be visualizedas an HSI in the globus pallidus, the substantia nigra, the putamen and the pituitary. clinical and epidemiologic studies regarding the MRI findings in the cases of occupational and non-occupational manganese exposure were reviewed. relationships between HSI on T1W1 of MRI and age, gender, occupational manganese exposure, and neurological dysfunction were analysed. Relationships betwen biological exposure indices and HSI on MRE werealso reviewed. Literatures were reviewed to establish the relationships between HSI, Manganese deposition in the brain, pathologic findings, and neurological dysfunction. HSI on T1W1 of MRI reflects regional manganese deposition in the brain. This relationship enables an estimation of regional manganese deposition in the brain by analysing MR signal intensity. Manganese deposition in the brain can induce a neuronal loss in the basal ganglia but functional abnormality is supposed to be related to the cumulative exposure of manganese in the brain, use of brain MRI for the assessment of exposure in a group of workers seems to be hardly rationalized, while ti can be a useful adjunct for the evaluation of manganese exposure int he cases with suspected manganese-related health problems.
The purpose of this study was to examine how oral health literacy of mothers affect the oral health status of their preschool children. The subjects were 233 mothers and their preschool children who are between 5 and 6 years old. They were selected according to the convenience sampling method. The individual self-administered questionnaire was used for the mother's survey while the children were interviewed using structured questionnaire to examine their oral health status and behavior. According to study results, the number of decayed primary teeth and the number of decayed and filled primary teeth had a statistically significant negative correlation with the oral health literacy of the mother, the children's oral health knowledge, attitude and behavior (COHKAB), and the mother's oral health management behavior. Hierarchical multiple regression analysis was performed after including general characteristics variables, the COHKAB and the mother's oral health management behavior. Meanwhile, mother's oral health literacy had a statistically influence on children's oral health status. The higher the mother's oral health literacy level, the lower the number of decayed and filled primary teeth were. The findings suggest that efforts to improve the oral health status of preschool children should consider mother's oral health literacy as an important factor. Therefore, the effective intervention and education programs are necessary to enhance mother's oral health literacy.
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