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Sarcomatoid Carcinoma Arising from Mature Cystic Teratoma
Ho-Chang Lee1, Seung-Myoung Son, Yong-Moon Lee, Ji Hae Koo, Song-Yi Choi, Ok-Jun Lee, Eun-Hwan Jeong 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.2
Malignant transformation of mature cystic teratoma (MCT) is rare. Sarcomatoid carcinoma is a neoplasm comprising malignant mesenchymal cells and a conventional carcinomatous area. Here, we report on a case of sarcomatoid carcinoma arising from an MCT in the left ovary of a 45-year-old female. A unilocular cyst consistent with MCT was observed; however, a nodule within the cyst was confirmed from the resected ovary. Microscopically, the nodule showed both squamous cell carcinoma and pleomorphic sarcomatous components admixing with each other. Lining epithelial cells at the periphery of the main tumor showed squamous metaplasia. When a sarcomatous component is observed in the ovary tumor, it is important to find a squamous cell component, either benign or malignant.
이상호,장의성,정승은,신송우,강호영 대한척추신경외과학회 2004 Neurospine Vol.1 No.1
Objective: Currently, normal data of cervical disc height and depth of Korean adults are not available. The objective of this study is to compile a Korean normative database of the disc height and depth of the cervical spine, valid for healthy Korean adults. Methods: All the volunteers were attached a coin on the anterior midline of the neck. From the lateral X-ray films of the cervical spine, anterior and middle disc height and anteroposterior disc depth from C2-3 to C6-7 were measured. The magnification of radiographic films as compared with real measurement of the coin was taken into consideration. Analysis of data was done by use of independent sample t-test, Pearson's correlation, and one-way analysis of variance(ANOVA). Results; A normal database for the dimensions of cervical discs was compiled from 42 lateral views of healthy Korean adults. There were 20 males(mean age, 29,6 years; mean height, 174.3 cm) and 22 females(mean age, 27,4 years; mean height, 161.2 cm). The means of anterior height, middle height and anteroposterlor depth of cervical disc space were 4.09mm, 5,82mm, and 16,86mm for men and 3,40 mm, 5.30 mm, and 14.86 mm for women, respectively, The height of C4-5 disc space was highest at the middle disc space from C2-3 to C6-7. Conclusion: This study will contribute to the clinical diagnosis, treatment and development of instruments of cervical disc diseases for Korean patients with cervical disc diseases.
이용석,황이규,양승원 全北大學校 1995 論文集 Vol.39 No.-
Korean, which is classified as a non-structural language, has a simple grammar structure but it has a lot of structural ambiguities in its grammar itself. As the role of extra-grammatical information is much more important than that of grammar rules in the syntactic analysis of Korean, an analysis mechanism is required to check dynamically the grammatical relationship between each of constituents. In this paper, we define the conditional unification the method that selectively performs unifications which are satisfied with some conditions in the unification-based analysis. In order to support this kind of analysis method, we extend the PATRⅡ by adding the various condition check devices. We adopt the tree unification to solve the problem of the DAG unification when we implement the conditional unification. In order to show that our presented method is suitable for Korean analysis, we explain that it can solve difficult problems easily, such as ellipsis and inversion. In addition, we show that it is possible to process the coordinate clause that the predicate of the first clause is omitted in the presented method.
低出力레이저 침 치료에 관한 國內 論文 分析 : 레이저 器機 中心 mainly focused on laser apparatus
이승호,이승헌,박히준,소광섭,임사비나 EAST-WEST MEDICAL RESEARCH INSTITUTE KYUNG HEE UNI 2005 東西醫學硏究所 論文集 Vol.2005 No.-
Objective: The purpose of this study is to review research paper on low level laser therapy (LLLT) and to improve the knowledge of LLLT field. Methods: For introduction, laser characteristics, including, wavelength, medium, beam size, power, and unit power were explained. In order to understand LLLT, tissue optics and light-biomatter interaction were briefly mentioned. We reciewed 21 Korean papers on laser acupuncture and LLLT on the viewpoint of laser apparatus. Results and Conclusion: We found that the description of laser apparatus employed for LLLT experiments were not fully written. Laser wavelength and power which are the most crucial parameters, were omitted in several papers. No paper had information on beam size. In order to have high efficacy, laser should be used with proper laser parameters. Conditions of irradiation area or acupoints should be considered too. Some future technology on laser acupuncture were mentioned.
RC 프레임면내 조적채움벽의 내진성능 평가에 관한 실험적 연구
이정한,차승렬,강대언,오상훈,이용재,이원호,김상대 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
The objectives of this study are 1) to find out the shear behavior and shear capacity of RC bare frames, brick-infilled RC frames, 2) to evaluate the equation of the shear capacity of two types of RC frames by comparison the Japanese Standard and modified equation adopting the test results. The main variable is the absence of brick infill wall. The test results show that the shear capacity of specimen IF-4.2 is 2.3 times as high as that of the specimen IF-4.2.The shear behavior of RC bare frame which is governed by predominant flexural yielding is changed to predominant shear yielding by affection of the brick infill wall. A comparison of the results obtained by the Japanese Standard equation and the modified equation to the test data indicates that the proposed equation is compatible with the test results.
이승우,윤경모,이용기,엄진섭 강원대학교 정보통신연구소 2003 정보통신논문지 Vol.7 No.-
This paper describes a tunable data rate pulse generator using the NOLM structure. This can induce the change of pulse rate by the control of PC (Polarization Controller) which located in NOLM. We measured very stable NRZ pulse sequences of three rates (200Mbps, 400Mbps, 800Mbps), and also obtained 100ps pulse width under the same condition.
이정렬,이승우,엄진섭 강원대학교 정보통신연구소 2002 정보통신논문지 Vol.6 No.-
In this paper, we demonstrate a tunable wavelength erbium-doped fiber ring laser. It's tuning interval can be controlled as fine as hundreds of picosecond by using a tunable filter of Fiber Reflection Mach-Zehnder Interferometer with gain-transparent SOA within one arm. And a wavelength tuning range over 17㎚ can be achieved by adjusting the power of 1310㎚ pump light into SOA. Narrow linewidth less than 0.08㎚ and SMSR of more than 30dB is obtained with single-mode operation.
이영호,이재철,이승우,서장일,박세희 강원대학교 부설 석재복합신소재 제품연구센터 2003 석재연 논문집 Vol.8 No.-
폴리머 콘크리트를 이용하여 호안블럭을 디자인하고 제작하였다. 제품의 표준화를 위하여 '폴리머 복합체를 이용한 호안블럭 제조용 시방서'를 작성하였다. 폴리머 콘크리트의 우수한 물리적 성질을 이용하고 환경 친화적인 호안블럭을 제작하기 위하여 중앙에 원형 홀이 있는 I형, 원형, 반원형 호안블럭을 디자인하였다. 중앙의 홀은 바닥재로 채워질 수 있도록 했으며 인공적인 색상보다는 주위의 환경과 어울리도록 식물을 조경할 수 있도록 하였다. 또한, 시판중인 호안블럭과 호환이 되도록 크기를 결정하였으며 자외선 흡수제를 첨가하여 제작하였다. 시방서에서 제시하는 방법으로 휨강도 및 흡수율을 측정하였다. Polymer concrete was used to produce the stone block. In order to make the blocks standardize, 'Specifications for Producing Stone Block using Polymer Concrete' was suggested I-type, circular type and semi-circular type of stone blocks were designed and produced, in which a circular hole was made to utilize the excellent physical properties of the polymer concrete and to produce the eco-friendly stone block. Instead of using artificial color, the hole was designed to be filled with the ground soil and then grass can be planted to make the blocks harmonize with surroundings. The dimensions of blocks were determined to fit the cement concrete block on the market and the ultra violet absorber was added in producing the blocks. Flexural strengths and absorption of the polymer concrete blocks were measured by the method regulated in the specification.