• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.4 no.2
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• pp.43-58
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• 1986

In a mapping, stereo-restitution of an aerial photogrammetric process, of which is a major factor for map-base preparation dominates the accuracy and the reliability of a topographical map. The majority of a map-base preparation has nowadays been carried out by an analogue method ie, by the stereo-plotter. In consequence, it is evident that the skilled, the level of technique and personal attitude of operator have influence upon observational error which relates the accuracy and the quality of a map. This research aims at detection and analysis of operator's carrier and types of stereoplotter. The test is also examined that the level of details and features of terrain would have influence on the accuracy of map. With the results. it is also considered that the field check has impact on map accuracy ; whether the field check prior to restitution or after restitution.

• Korean Journal of Head & Neck Oncology
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• v.13 no.1
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• pp.45-50
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• 1997

Total thyroidectomy has been advocated as the treatment of choice for most well differentiated thyroid carcinomas. Many surgeons have an aversion to total thyroidectomy, however, because of an allegedly high frequency of complications as compared with those resulting from other operation methods. In this report we reviewed our experience with 37 consecutive total thyroidectomy(January 1995 to December 1996). The clinical features are similar to other studies. The sex ratio is 1 : 3.1(M : F), third decade occupies 33% of cases. The anterior neck mass is the most frequent symptom(95%). In the duration of symptom, 35% of patients was within 3 months. Thirty five cases are cancer, and two cases are Hashimoto's thyroditis. The papillary carcinoma is the most common pathologic type(86%). Total thyroidectomy was done in 20 cases, and total thyroidectomy with modified neck dissection was done in 17 cases. The five postoperative complications occurred in 3 patients among 37 patients: postoperative bleeding in 1, transient hoarseness in 2, transient hypoparathyroidism in 2. Thirty four cases received $I^{131}$ scan and therapy, two cases received thyroid hormone replacement, and one case received chemotherapy. We think that total thyroidectomy can be done without additional risk compared with other thyroid operation methods, with meticulous and careful surgical technique.

• Korean Journal of Head & Neck Oncology
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• v.19 no.1
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• pp.75-79
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• 2003

Ectopic cervical thymic tumor, first described in 1941 by Boman, is a rare tumor of the neck displaying the same histologic features as mediastinal thymoma. It was classified into benign thymoma, invasive (or malignant) thymoma, thymic carcinoma histopathologically and clinically. The ectopic cervical thymic tumor is misdianosed as the thyroidal mass on radiologic examination and FNA cytology due to its rarity and unusual location. Recently, we have experienced two cases of ectopic cervical thymic tumor misdiagnosed as thyroid mass ; a case of thymic carcinoma;the other of invasive thymoma. So, we report these cases with review of the literature.

• Korean Journal of Head & Neck Oncology
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• v.32 no.2
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• pp.19-22
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• 2016

Adenosquamous carcinoma (ASC) of the larynx is very rare malignancy which has well defined two distinctive pathological features, an adenocarcinoma and a squamous cell carcinoma (SCC). Diagnosis of ASC by endoscopic biopsy is challenging due to small amount of harvested tissue. ASC has a worse prognosis than SCC with an early lymph node metastasis and a distant dissemination. We experienced a rare case of vocal fold ASC which was initially misdiagnosed as atypical squamous cell proliferation at frozen biopsy. We reported this case with a literature review.

• Journal of Fashion Business
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• v.6 no.4
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• pp.99-112
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• 2002

The purpose of this study is to find out various types of stripes pattern and to review its' design expression by analysing stripe pattern and visual effect appeared in western women's fashion after 20th centuries. As regards the visual effect of stripe pattern, on the basis of the stripe pattern's direction laid out, we made an investigation of it by classfying it into verticality, horizontality, slant line and mixture of them according to its' gap and thickness. Here are the 4 features of the stripe pattern appeared in modern fashions. The first, graphic variation based on diverse variation and reconstruction and combination between other motives is being onthe rise as a new expression. The second, colorful stripes of Missoni can be exanpled as the trend of diversification of color. The third, as regards the trend of mismatch in pattern, coordination through mismatch can produce experimental and post-modern image. The fourth, as for the expression of draping effect, we find that stripe pattern can maximaze visual effect through draping by inducing visual stimulus, as well as can express human body in a beautiful manner.

• Journal of Fashion Business
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• v.10 no.6
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• pp.1-8
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• 2006

This study was aimed at reviewing kinds and characteristics of children's costumes in consideration of their social and cultural backgrounds and particularly, those of children's costumes during the period of Enlightenment following Chosun dynasty and thereafter. Namely, this study focused on children's costume history in view of not adults' costume miniatures but their own concept. It is deemed very significant to review the history of our traditional costumes and thereby, express their decorative features with our contemporary sense. It is results can be summed up as follows; Strictly speaking, the period of Enlightenment can be defined as the one from Gwangwhado treaty in 1876 through annexation of Korea by Japan in 1910, but it may well extend until our emancipation from Japan in 1945. By 1890's, children's costumes remained almost traditional, but since then, the Chimas as well as Jeogori and breast tie began to be narrower. Particularly, Children's Jeogori began to be narrower with their breast tie disappearing gradually. By 1910's, children's costumes had changed much, with the breast tie replaced by the buttons and the longer Jeogoris.

• Restorative Dentistry and Endodontics
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• v.40 no.1
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• pp.14-22
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• 2015

Genetic information such as DNA sequences has been limited to fully explain mechanisms of gene regulation and disease process. Epigenetic mechanisms, which include DNA methylation, histone modification and non-coding RNAs, can regulate gene expression and affect progression of disease. Although studies focused on epigenetics are being actively investigated in the field of medicine and biology, epigenetics in dental research is at the early stages. However, studies on epigenetics in dentistry deserve attention because epigenetic mechanisms play important roles in gene expression during tooth development and may affect oral diseases. In addition, understanding of epigenetic alteration is important for developing new therapeutic methods. This review article aims to outline the general features of epigenetic mechanisms and describe its future implications in the field of dentistry.

• Korean Medical Education Review
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• v.15 no.1
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• pp.19-24
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• 2013

In medicine, rapid changes in information, technology, socio-economic interests, and globalization affect the medical education focused on the competencies of doctors, and the number of medical schools that are adopting an outcome-based curriculum (OBC) is increasing worldwide. This paper introduces the OBC model of 5 trailblazing medical schools from the UK, US, and Australia, comparing their unique features, followed by brief comment about Canada and the EU as well. On developing an OBC, the process of establishing the top outcomes for graduates is similar and the outcomes comprise knowledge, skills, and attitudes about science, patients, colleagues, society, and themselves. Implementing the outcomes down into the sub-levels of the curriculum is much more complicated and time-consuming. Assessing the achievement of every outcome is essential and requires the use of many tools in addition to the traditional written examination. From the perspective of adult learning theory, self-directed learning, team-learning, and individual and flexible achievement are tested and executed in an OBC. The gradual expansion and further innovation of an OBC is expected so that tomorrow's doctors will be able to meet the challenges of the future.

• Korean Medical Education Review
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• v.9 no.2
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• pp.41-48
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• 2007

Yonsei University College of Medicine is about to adopt a new admission system in 2009 for postgraduate medical school. in which 4-year college graduates apply to it, instead of applying of high school graduates to undergraduate medical school. For preparing the new system, now, an admission policy is being intensively investigated. In the present admission system in Yonsei College of Medicine, college or university graduates with diverse majors such as pharmacy, biochemistry, engineering, social science and so on other than a medical major can be transferred into the undergraduate medical course when vacancy for enrollment is available. This study was performed to analyze the academic achievement of the transferred students for establishing a new admission system. In this study, the GPAs of 94 medical students transferred for 1998 to 2006 years were analyzed regarding academic and personal background, and compared with those of untrans- ferred medical students. The results showed some features. Particularly, the GPAs of transferred students with t he majors of art and social sciences were not lower than those with the major of natural sciences while transferred students with majors of pharmacy. veterinary science, nursing science, and biotechnology had their high academic achievements during the undergraduate medical courses.

• Kidney Research and Clinical Practice
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• v.35 no.2
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• pp.69-77
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• 2016

Diabetic nephropathy (DN) is the leading cause of end-stage renal disease, and its pathogenesis is complex and has not yet been fully elucidated. Abnormal glucose and lipid metabolism is key to understanding the pathogenesis of DN, which can develop in both type 1 and type 2 diabetes. A hallmark of this disease is the accumulation of glucose and lipids in renal cells, resulting in oxidative and endoplasmic reticulum stress, intracellular hypoxia, and inflammation, eventually leading to glomerulosclerosis and interstitial fibrosis. There is a growing body of evidence demonstrating that dysregulation of 50 adenosine monophosphate-activated protein kinase (AMPK), an enzyme that plays a principal role in cell growth and cellular energy homeostasis, in relevant tissues is a key component of the development of metabolic syndrome and type 2 diabetes mellitus; thus, targeting this enzyme may ameliorate some pathologic features of this disease. AMPK regulates the coordination of anabolic processes, with its activation proven to improve glucose and lipid homeostasis in insulin-resistant animal models, as well as demonstrating mitochondrial biogenesis and antitumor activity. In this review, we discuss new findings regarding the role of AMPK in the pathogenesis of DN and offer suggestions for feasible clinical use and future studies of the role of AMPK activators in this disorder.