• Title/Summary/Keyword: Seung-Kook

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Treatments of esophageal foreign body treated using Rigid esophagoscopy (강직형식도경술을 이용하여 치료한 이물에 대한 임상적 고찰)

  • Chung, Phil-Sang;Jung, Seung-Wan;Kim, Yun-Hwan
    • Korean Journal of Bronchoesophagology
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    • v.5 no.2
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    • pp.159-163
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    • 1999

  • OBJECTIVE : To study the management (diagnostic and therapeutic) of esophageal foreign bodies with rigid esophagoscopy. MATERIAL AND METHODS : All 100 patients admitted to the Dankook University Hospital for ingestion of foreign bodies between May 1994 and July 1999. The outcome for each patient was determined by examining hospital records of demographic information, identification of the foreign body and the removal procedure used. RESULTS : Rigid esophagoscopy was performed for suspected foreign bodies in 100 cases an impacted. The most frequent location was the upper third of the esophagus (68%). The most common type of foreign body was fish bones in adult(61%) and coins in children(70%). In 12 patients. flexible endoscopy had failed previously to remove the foreign body and 4 cases were migrated esophageal metal stent in esophageal stenosis. CONCLUSIONS : The rigid esophagoscopy is appropriate techniques for managing esophageal foreign bodies.

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Clinical Practice Guidelines of Korean Medicine for Malignant Lymphoma (악성 림프종 치료에 대한 한의 임상진료지침)

  • Jung, Hyun-sik;Lee, Sang-hun;Yoo, Hwa-seung;Kim, Kyung-suk
    • The Journal of Internal Korean Medicine
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    • v.37 no.3
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    • pp.453-466
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    • 2016

  • Objective: The purpose of this study was to present the clinical practice guideline of Korean medicine for malignant lymphoma.Background: Malignant lymphoma is the tenth most common cancer in Korea. The two main types of lymphoma are Hodgkin’s disease and non-Hodgkin’s lymphoma. Non-Hodgkin’s lymphomas are more common, comprising nearly 95 percent of all lymphomas. In China, the traditional Chinese medicine clinical guidelines for malignant lymphoma were published in 2014. Therefore, there is growing need for a clinical practice guideline in Korea, which has not thus far existed. This clinical practice guideline was created by reviewing the Chinese clinical practice guideline and Korean clinical reports. This study will be helpful in understanding malignant lymphoma and in understanding its treatment in Korean medicine.Conclusion: Further clinical research on malignant lymphoma is needed to develop a more advanced clinical guideline.

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A Stot Change Detection Algorithm using Otsu Threshold and Frame Segmentation (Otsu 임계값 설정과 프레임 블록화를 이용한 샷 전환 탐지)

  • Kim, Seung-Hyun;Hwang, Doosung
    • Proceedings of the Korea Information Processing Society Conference
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    • 2015.10a
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    • pp.1555-1558
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    • 2015

  • 본 논문에서는 프레임 블록화와 Otsu 임계값 설정 방법을 이용한 샷 전환 탐지 알고리즘을 제안한다. 제안 방법은 연속된 두 프레임을 일정 크기의 영역으로 분할하여 두 프레임 간 대응되는 영역의 히스토그램 차이를 이용해 샷 전환을 탐지한다. 또한 각 영상마다 Otsu 임계값 설정 방법을 이용하여 자동으로 임계값을 설정한다. 제안 방법의 실험은 영화, 드라마, 애니메이션 등 다양한 영상에 대해 테스트되었으며, 기 연구된 샷 전환 탐지 알고리즘과 비교 시 우수한 탐지율을 보였다.

  • https://doi.org/10.3745/PKIPS.y2015m10a.1555 인용 PDF

A comparative study of the effect of root planing methods and various conditioning agents (치근면 활택 방법 및 수종의 치근면 처리 약제의 효과에 대한 비교 연구)

  • Kang, Seung-Mo;Hong, Ki-Seok;Lim, Sung-Bin;Chung, Chin-Hyung
    • Journal of Periodontal and Implant Science
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    • v.35 no.3
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    • pp.719-730
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    • 2005

  • The purpose of this study was to compare the effect of tetracycline HCL, Citric acid and PrefGel applied on the root surfaces that planed with periodontal curret with Roto bur. In this study, 20 extracted teeth with advanced periodontal disease were used. The teeth were root planing with periodontal curette and Roto bur. Following root planing, each agents was burnished on the prepared root surface for 3 minutes to find opened dentinal tubules. And then, each specimens were investigated using scanning electron microscope. Amount of remained cementum by loss of tooth substance index and the number of opened dentinal tubules were evaluated to each specimens The results were as follows. 1. Groups treated with periodontal curette were almost seemed no removed. Other groups treated with Roto bur showed partially opened dentinal tubule orifices. 2. Loss of tooth substance index were compared between groups. There was no statistically difference between periodontal curette groups. Between Roto bur groups was alike. But there were statistically differences between periodontal curette and Roto bur groups. 3. At comparing with various root conditioning agents, Tetracycline HCL group took statistically higher than Citric acid and PrefGel in opened dentinal tubules. On the other hand, there was no statistically difference between Citric acid group and PrefGel group. As a result of this study, groups treated with Roto bur showed more cementum removed than groups treated with periodontal curette. In a treatment for regeneration of periodontal tissue, it was regarded that Roto bur should be used and that Tetracycline HCL would be more effective as chemical root conditioning agent.

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