• Title/Summary/Keyword: incidental

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A Case Report of Mediastinal Leiomyosarcoma (종격동내 평활근육종 1예)

  • Lee, Won-Yeon;Ahn, Kang-Hyun;Jung, Soon-Hee;Koh, Jae-Hyang;Yoo, Byung-Soo;Yong, Suk-Joong;Shin, Kye-Chul
    • Tuberculosis and Respiratory Diseases
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    • v.41 no.6
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    • pp.658-662
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    • 1994
  • The leiomyosarcoma is uncommon tumor that consists of 10% of all sarcoma incidence and commonly arise from retroperitoneum or mesentery. But leiomyosarcoma arose from mediastinum is very rare and only incidental case report is present. Mediastinal leiomyosarcoma may originate from superior vena cava, pulmonary artery, small vessels of alveoli, esophagus and cardiac muscle. Common symptoms that are related with leiomyosarcoma of mediastinum are cough and dyspnea but dysphagia, chest pain and hemoptysis can be produced. Although long term survival after complete resection of tumor was reported in localized disease, there was no effective therapy that prolong the survival in patients who had disseminated disease or huge tumor mass. We report the case of posterior mediastinal leiomyosarcoma confirmed by aspiration cytology and immunohistochemical staining, along with a review of literature.

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A Study on the Theoretical Framework Development for the Institutional Implementation of the Environmentally Sound Fisheries under the Grobal Environmental Regime (지구환경질서에 따른 환경친화적 수산업 실현을 위한 제도적 이론체계에 관한 연구)

  • 이상고
    • The Journal of Fisheries Business Administration
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    • v.30 no.2
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    • pp.55-77
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    • 1999
  • As the population grows, the importance of the fishery industry continues to rise. It is therefore vital to support and promote sustainable fishery industry. However, the fishery production has been declining, mainly due to overdevelopment and depletion in fishery resources and stricter limits on development limits caused by growing concerns over the marine environment and ecology. Recently, international activities related to marine environmental and its ecosystems conservation, have been vigorously pursued. The United Nations Convention on The Law of The Sea has stipulated the protection and conservation of the marine environment, and the implementation of fishery resources development, made in harmony with the environment and fishery resources and based upon scientific findings and principles has become important. Accordingly, fishery industry must pay thorough attention to marine ecological and environmental problems and its international fisheries regime. Fisheries development can affect fishery resources, their environment and ecosystems. Adverse ecological effects resulting from fishery resources development practices in general include overdevelopment and incidental development of non target species, physical degradation of seabed habitants and degraduation of water quality. It has now become more important than ever to build up fishery resources development while achieving the conservation of biodiversity and the marine environment, as well as the restoration of destroyed ecosystems. To maintain fishery industry, it is necessary to develop bioeconomic fishery production system and industry policies for the ESSD(environmentally sound and sustainable development) given that maintenance of a favourable marine environment will ensure the fishery resources productivity. These bioeconomic system and policies are necessary to ensure the sustainability and viability of the fishery industry under ESSD fisheries concepts.

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A Study on the Design of a Topic Map-based Retrieval System for the Academic Administration Records of Universities (대학 학사행정 기록물의 토픽맵 기반 검색시스템 설계에 관한 연구)

  • Shin, Jiyu;Jung, Youngmi
    • Journal of Korean Society of Archives and Records Management
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    • v.16 no.1
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    • pp.175-193
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    • 2016
  • A topic map was designed as an efficient information retrieval method that is optimized for classification, organization, and navigation through the use of a semantic link network above information resources. With this, this study aims to design a topic map-based university archives retrieval system to provide the relevant information retrieval. For this study, electronic records that relate to the academic administration within two years of D university were collected, and topic map editing was carried out with Ontopia Omnigator. Topics were classified according to their functional analysis of academic administration. In the end, the number of topics was finalized as 626, with 6 types in general: academic work, staff, college register, student, university, etc. Association was separated into six types as well, which were formed with consideration to the relationships among topics. In addition, there are seven occurrence types: register class, register number, register date, receiver, title, creator, and identifier. It is expected that the associative nature of the designed topic map-based retrieval system in this study will make navigation of large records easy and allow incidental discovery of knowledge.

Prevalence of pineal gland calcification as an incidental finding in patients referred for implant dental therapy

  • Mutalik, Sunil;Tadinada, Aditya
    • Imaging Science in Dentistry
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    • v.47 no.3
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    • pp.175-180
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    • 2017
  • Purpose: Pineal gland calcification has been proposed to play a role in the pathogenesis of Alzheimer disease. This study evaluated the prevalence and extent of pineal gland calcification in cone-beam computed tomography (CBCT) scans of patients referred for dental implant therapy who could possibly be a vulnerable group for this condition. Materials and Methods: A retrospective evaluation of 500 CBCT scans was conducted. Scans that showed the area where the pineal gland was located were included. The scans were initially screened by a single observer to record the prevalence and extent of calcification. Six weeks following the completion of the study, another investigator randomly reviewed and selected 50 scans to investigate inter-observer variation, which was evaluated using reliability analysis statistics. The prevalence and measurements of the calcifications were reported using descriptive statistics. The chi-square test was used to compare the prevalence between males and females. Results: The prevalence of pineal gland calcification was 58.8%. There was no statistically significant correlation between age and the extent of the calcification. The prevalence of calcification was 58.6% in females and 59.0% in males. The average anteroposterior measurement was $3.73{\pm}1.63mm$, while the average mediolateral measurement was $3.47{\pm}1.31mm$. The average total calcified area was $9.79{\pm}7.59mm^2$. Conclusion: The prevalence of pineal gland calcification was high in patients undergoing implant therapy. While not all pineal gland calcifications lead to neurodegenerative disorders, they should be strongly considered in the presence of any symptoms as a reason to initiate further investigations.

Maternal killer-cell immunoglobulin-like receptors and paternal human leukocyte antigen ligands in recurrent pregnancy loss cases in Turkey

  • Elbasi, Mehmet Onur;Tulunay, Aysin;Karagozoglu, Hale;Kahraman, Semra;Eksioglu-Demiralp, Emel
    • Clinical and Experimental Reproductive Medicine
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    • v.47 no.2
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    • pp.122-129
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    • 2020
  • Objective: The survival of a semi-allogeneic fetus depends on several immunological mechanisms, and it has been suggested that recurrent pregnancy loss (RPL) could develop as a result of one or more immunological abnormalities. Methods: Compatibility between partners for human leukocyte antigen (HLA) genotypes and the relationships between maternal killer-cell immunoglobulin-like receptor (KIR) and paternal HLA-Bw4/Bw6 and HLA-C1/C2 supra-groups were investigated in 25 couples with RPL in comparison to healthy couples with children. HLA and KIR genotyping was performed using polymerase chain reaction with sequence-specific primers and/or sequence-specific oligonucleotides. Results: HLA class I incompatibility between partners, especially in HLA-B alleles, was more common in the RPL group (p= 0.01). HLA-C2 homozygosity was more frequent in the male partners of RPL couples than in other groups (p= 0.03). The KIR2DL5 gene frequency was significantly higher in both the female and male partners of RPL couples, whereas the KIR2DS3 gene frequency in male partners of RPL couples was significantly reduced (p= 0.03). The presence of KIR2DL3 in women with RPL was correlated with the presence of HLA-C2 alleles in their spouses (p= 0.03). Conclusion: Our data from a Turkish population suggest that male HLA-C2 homozygosity may play an important role in RPL. Additionally, an incidental match between male HLA-C2 and female HLA-C1 ligand KIR receptors might perturb the balance between activatory and inhibitory KIR-ligand interactions during pregnancy in couples affected by RPL. The roles of orphan KIR2DL5 and orphan KIR2DS3 in RPL remain obscure.

Design and Implementation of XML Indexing and Query Scheme Based on Database Concept Structure (데이터베이스의 개념구조에 기반한 XML 문서의 색인 및 질의 스키마의 설계 및 구현)

  • Choo Kyo-Nam;Woo Yo-Seob
    • The KIPS Transactions:PartD
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    • v.13D no.3 s.106
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    • pp.317-324
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    • 2006
  • In this paper, we propose a new indexing technique to solve various queries which have a strong good point not only database indexing schema take advantage of converting from semi-structured data to structured data but also performance is more faster than before. We represent structure information of XML document between nodes of tree that additional numbering information which can be bit-stream without modified structure of XML tree. And, We add in indexing schema searching incidental structure information in the process. In Querying schema, we recover ancestor nodes through give information of node using indexing schema in complete path query expression as well as relative path query expression. Therefore, it takes advantage of making derivative query expression with given query. In this process, we recognize that indexing and querying schema can get searched result set faster and more accurate. Because response time is become shorter by bit operating, when query occur and it just needs information of record set earch node in database.

Coronary Blood Flow Disturbance of a Single Coronary Artery in a Patient Undergoing Aortic Valve Replacement - A case report - (단일관상동맥환자에시 대동맥판막 치환술 시행 중 발생한 관상동맥혈류장애의 치험 - 1예 보고 -)

  • Jung, Hee-Suk;Lee, Jae-Won;Jung, Sung-Ho
    • Journal of Chest Surgery
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    • v.42 no.6
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    • pp.774-776
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    • 2009
  • A 57-year-old man with dyspnea was transferred to our institution. Echocardiography demonstrated grade III aortic valve regurgitation with a bicuspid aortic valve. The preoperative coronary angiography showed a left single nary artery. Replacement of the aortic valve was performed. Ventricular fibrillation developed during weaning patient of cardiopulmonary bypass after aortotomy repair. An anomalous origin of the coronary arteries is an incidental finding. However, in patients who are undergoing aortic valve replacement, a can significantly complicate the procedure. If this is present, then it is imperative that the clearly identified and the required procedure should be modified to avoid injury to these.

Surgical Removal of the Lung Lobe Metal Foreign Body in a Dog

  • Hwang, Yawon;Kang, Jihoun;Chang, Dongwoo;Kim, Gonhyung
    • Journal of Veterinary Clinics
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    • v.34 no.2
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    • pp.108-111
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    • 2017
  • A 4-year-old, weighing 7.6 kg, castrated male, Pug presented with ingestion of gastric cavity foreign body. Physical examination revealed panting, retching and hyper-salivation. Blood chemistry and complete blood cell count were normal, but hypophosphatemia was observed. An abdominal radiograph revealed the foreign body (FB), round shape and 2 cm length, at the pyloric region of stomach. A thoracic radiograph revealed an incidental metal FB, 3.5 cm length, at the cranial portion of the diaphragm. An upper gastrointestinal endoscopy was performed to remove the FB in the stomach and then a peach-pit was removed. However the metal FB was not found in the esophagus therefore a lateral thoracotomy was performed. A right lateral thoracotomy through the $7^{th}$ intercostal space was accomplished to expose the right caudal lung lobe. After open the thoracic cavity, foreign body was not observed by gross evaluation and caudal lung lobe was attached to the diaphragm. The FB was identified inside the lung lobe and surrounded by granulation tissue. The metal FB (sewing needle) was removed with blunt dissection and incised lung lobe was sutured using absorbable suture material PDS 4-0 with interrupted suture. A thoracotomy tube was inserted into the thoracic cavity during surgery. Patient's respiration became stable after surgery. A chest tube was removed 3 days after surgery. No complications were noted and the dog was discharged 4 days after surgery. In small animal, foreign body ingestion is a common reason for emergency. After ingestion of the FB, perforation through the esophagus and migration to inside the lung lobe is not common in small animals. In this case, thoracic metal FB was identified incidentally and removal of a thoracic FB with thoracotomy was performed successfully.

Evaluation of Extraosseous Abnormalities Detected in Bone Scan ($^{99m}Tc-Methylene$ Diphosphonate (MDP)골(骨)스캔에서 골격외(骨格外) 섭취(攝取) 및 신요로계(腎尿路系) 이상소견(異常所見)에 관(關)한 연구(硏究))

  • Rhim, Sang-Moo;Park, Ran-Jae;Kim, Byung-Tae;Lee, Myung-Chul;Cho, Bo-Yeon;Lee, Hong-Kyu;Koh, Chang-Soon
    • The Korean Journal of Nuclear Medicine
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    • v.16 no.1
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    • pp.31-39
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    • 1982
  • The purpose of the present study is to evaluate the clinical and diagnostic significance of incidental findings of renal and urinary tract abnormalities, and extraosseous uptake of bone scans. The authors analyzed bone scans using $^{99m}Tc-MDP$(methylene diphosphonate) in 1238 cases of bone disease from April, 1979 to March, 1981. The results obtained were as follows. 1. Total extraosseous abnormalities were 112 cases (9%), which include 64 cases (5%) of renal and urinary tract abnormalities and 48 case(4%) of other extraosseous uptakes. 2. Renal and urinary tract abnormalities were 32 cases(50%) of obstruction, 14 cases(22%) of nonvisualization, 6 cases of space occupying lesion in kidney, 8 cases of kidney displacement and 4 cases of urinary bladder deformities. 3. Other extraosseous uptakes were 16 cases (33%) of body fluid collection, 15 cases of tumor uptake, 9 cases of free pertechnetate uptake and 8 others.

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An Experimental Study on Development Connection System of Concrete Barrier in Modular Bridges (조립식교량의 콘크리트 방호울타리 연결시스템 개발을 위한 실험적 연구)

  • Jung, Ho Sung;Lee, Sang Seung;Choi, Jin Woong;Kim, Tae Wan;Park, Sun Kyu
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.16 no.2
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    • pp.49-57
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    • 2012
  • Recently, in field of bridge construction, modular technology has been studied to reduce construction period. However, main stream of the study is limited to the pier, girder and deck of bridge, which are huge or main members. Studies on incidental facilities like concrete barrier is out of sight. Thus, in this study, connection system of concrete barrier was developed to apply to modular bridges and static experiment was performed in order to verify structural capability of proposed system. Variables of experiment are composed of bolt direction such as vertical and horizontal. The experimentation due to the designed variables was conducted by comparison with a standard concrete barrier, which is a traditional barrier. As a result, vertical joint way of the bolt showed nearly identical structural performance and healthy to standard specimen's. it can be applied to modular bridges.