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This study was to investigate whether there are any differences in social competence by the frequency of young children's video and computer game use. Social development categorized as peer popularity and social competence. The subjects were 215 children(118 boys, 97 girls) aged 4-6 years(M= 63.6 months, SD=6.8) from 3 kindergartens in Chung-Cheong Nam Do. The frequency of children's video and computer game use was reported by their parents. Peer popularity was rated by their classmates and social competence by their teachers with Kohn Social Competence Scale(KSCS). No significant relationship was found between game use and peer popularity. The children who played video and computer games once or twice a week got the highest score on the 'social interest and participation'. But social cooperation dimension was not related with the frequency of video and computer game use but with the sex of children.
This study was administrated to find the effects of dietary habits and nutrient intakes on the development of cardiovascular disease in the elderly aged over 60. The 40 healthy elderlies(18 males, 22 females) and 40 hospitalized elderlies with the cardiovascular disease(23 males, 17 females) were subjected for the study. Body weight, height, BM and blood pressure were measured. Also, health behaviors such as exercise, smoking, drinking and dietary habits, frequency of intake lipid food in the past, nutrient intake at the present were assessed by interviews and questionnaire. The results of this study are as follows. 1. Body weight and the BMI were higher in hospitalized male elderlies significantly than those of healthy male elderlies(p<0.05). But the blood pressure wasn't different between two groups. 2. The ratio of male subjects who do regular exercise was significantly higher in healthy group(p<0.01). And significant difference in the extent of stress was found between two female groups(p<0.05). 3. The amount of meal and salty taste showed significant difference between two female groups(p<0.01) but the other dietary habits such as meat preference were not different between healthy and hospitalized elderlies. 4. Compared with healthy male elderlies, hospitalized male elderlies showed significantly higher frequency of intake of fish in the past(p<0.05) and frequency of intake of lipid food such as pork and chicken was also higher in the hospitalized male elderlies, but no significant difference in nutrient intake at the present was found between healthy and hospitalized elderlies. 5. Nutrient intake of elderlies showed in the average daily intake of energy, Ca, vitamin B_2 were lower than Korean recommended dietary allowances(RDA). For female subjects, the cholesterol intake was positively correlated with body weight, meats and eggs intake showed positive correlation with body weight and the BMI(p<0.01).
Background : Oncocytic neoplasms of the salivary glands are rare and the differential diagnosis between oncocytic carcinomas (OCs) and oncocytomas is difficult. We present 5 cases of oncocytoma and 3 cases of OC of the salivary glands with clinicopathological and immunohistochemical comparisons. Methods : Eight cases of oncocytic neoplasms diagnosed at Asan Medical Center between 1998 and 2009 were reviewed for clinical data and histological features. Immunohistochemical staining for epidermal growth factor receptor (EGFR), human epidermal growth factor receptor 2 (Her-2), c-kit, p53, and Ki-67 was done. Results : Cytological differences between oncocytomas and OCs were not obvious, but unequivocal infiltrative growths were identified in 3 cases, rendering the diagnosis of oncocytic carcinoma. When the remaining cases were classified as oncocytomas, there was no difference in age, size, and clinical symptoms between oncocytomas and OCs. Two of 3 OCs showed strong membranous expression of c-kit, but all oncocytomas were negative. The proportion of p53-positive cells was larger in OCs than oncocytomas. Her-2 or EGFR expression was absent, and Ki-67 labeling indices were less than 1% in all cases. Conclusions : An infiltrative growth pattern, strong membranous expression of c-kit, and an increased proportion of p53-positive cells are features that can differentiate OCs from oncocytomas of the salivary glands.
Herein we describe two cases of nasal glomus tumor. Histological findings were typical, save for one which was quite large (3.1 cm in its greatest dimension) with an invasive growth pattern and increased ki-67 labeling index (up to 10%). These features raised a red flag of similarity to a recently described “nvasive glomus tumor of nasal cavity” suggesting a more aggressive form of glomus tumor. However, objective criteria for this possibility is lacking at present and more similar case studies are needed to establish a truly aggressive form of glomus tumor.
음악교사의 국악교과에 대한 전문성 부족은 음악교과 가운데 국악내용 지도의 미흡 뿐 만이 아니라 전체 음악교육의 질을 저하시키는 문제점을 안고 있다. 교사의 질은 교사교육의 질에 좌우된다는 말이 있듯이, 국악내용에 대한 전문성이 부족한 교사의 문제는 바로 교사양성교육에서 그 문제가 비롯된다고 볼 수 있다. 따라서 이 글에서는 음악교사의 국악교과에 대한 전문성 부재의 원인을 찾기 위해서 음악교사양성기관의 교육과정에서 드러나고 있는 국악교육의 교과편성 실태와 교사 양성기관의 국악전문교수진의 미확보 문제 그리고 음악과 임용시험의 실기 내용에서의 국악시험과목 실태의 문제점을 살폈다. 그 결과 음악교사의 전문성 부족은 교사 개개인의 노력이나 태도보다는 교원양성 시스템이라는 구조적 문제에서 기인한 것임을 확인할 수 있었다. 대체적으로 음악교사교육은 교과편성과 교수진 그리고 임용시험 모든 영역에서 서양음악을 중심으로 이루어지고 있었다. 이러한 교원양성시스템 문제는 국악교육의 정상화와 더불어 음악수업 전체의 질을 높이고, 음악교과의 목적을 달성하여 학생들에게 의미 있는 음악교과의 학습경험을 부여하기 위하여 반드시 개선되어져야 한다. The lack of specialty for Korean music teachers has the problem of both the lack of contents for music curriculum and degradation of quality of whole music education. Teacher's quality depends on the education for the teacher. So, the problems of teacher who lacks specialty about the Korean music comes from the education for the teachers themselves. Therefore, I researched 3 kinds of problems in this article to find the cause of the lack of the music teacher for the Korean music curriculum. First, the present situation of Korean music curriculum of the Institution which is for the teacher who teaches Korean Music. Second, the lack of qualified faculties for Korean music in those institution. Third, the problem of the qualifying examination(which ask for playing instrument) for the music teacher. As a result, I realize that the lack of specialty for Korean music teacher comes not from individual effort or attitude but from the structural problem of music teacher training system. Generally, music teacher training program consists of western music oriented curriculum, faculties, qualifying evaluation and all the other aspects. This structural problem of music teacher training system should be renovated to offer right Korean music class, to upgrade quality of whole music curriculum, to reach the goal of music class so as to offer meaningful experience of study to the students.
In systemic amyloidosis, deposition of amyloid fibrils in the thyroid gland is not unusual, but amyloid goiter is a very rare presentation in a clinical situation. We report the first case in korea of amyloid goiter with hypothyroidism and cardiac amyloidosis, which was confirmed by percutaneous biopsy. A 39-year-old man was admitted due to diffuse painful swelling of the neck and generalized edema for several months. Percutaneous needle biopsy of the thyroid gland revealed extensive deposition of amorphous eosinophilic substances, which almost destroyed the normal configuration of the thyroid follicle. Polarizing illumination after Congored staaining showed typical green birefringence. Although there was no sign of congestive heart failure, marked thickening of the interventricular septum and left ventricular posterior wall with characteristic granular sparkling was observed in echocardiography. Percutaneous endomyocardial biopsy specimen revealed typical amyloid fibrils inelectron microscopy.