• Title/Summary/Keyword: 영상해부학

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A Case Study of Three Dimensional Human Mimic Phantom Production for Imaging Anatomy Education (영상해부학 교육을 위한 3차원 인체 모사 조형물 제작 사례 연구)

  • Seoung, Youl-Hun
    • Journal of the Korean Society of Radiology
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    • v.12 no.1
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    • pp.71-78
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    • 2018
  • In this study, human mimic phantoms outputted by three-dimensional (3D) printing technology are reported. Polylactic acid and a personal 3D printer - fused deposition modeling (FDM) - are used as the main material and the printing device. The output of human mimic phantoms performed in the following order: modeling, slicing and G-code conversion, output variable setting, 3D output, and post-processing. The students' learning satisfaction (anatomical awareness, study interest) was measured on 5-point Likert scale. After that, Twenty of those phantoms were outputted. The total output took 11,691 minutes (194 hours 85 minutes) and the average output took 584.55 minutes (9 hours 7 minutes). The filament used for the experiment was 2,390.2 g, and the average use of the filament was 119.51 g. The learning satisfaction of anatomical awareness was 4.6 points on the average and the interest of the class was on average 4.5 points. It is expecting that 3D printing technology can enhance the learning effect of imaging anatomy education.

Recent Issues in Musculoskeletal Anatomy Research and Correlation with MRI (근골격 해부학의 최신 지견 및 자기공명영상 소견)

  • Hyerim Park; Joon-Yong Jung
    • Journal of the Korean Society of Radiology
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    • v.81 no.1
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    • pp.2-20
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    • 2020
  • MRI is a valuable imaging technique for the evaluation of intraarticular diseases. Accurate interpretation of joint MRI necessitates sound knowledge of anatomy. In the field of joint anatomy, in addition to the discovery of new structures, previously reported joint components of unexplained function are also detected. In this review, joint anatomy researched actively over the last decade is discussed. Joint components including the rotator cable and the superior capsule of the shoulder, posterolateral corner and the anterolateral ligament complex of the knee, and the distal tibiofibular syndesmosis of the ankle joint are introduced and correlated with their MRI features.

Small Intestine-Centric Knowledge Modeling Method for Supporting Diagnosis using Capsule Endoscopy Image (캡슐내시경 영상의 진단 보조를 위한 소장 기관 중심 지식 모델링 기법)

  • Hwang, Gyubon;Park, Ye-Seul;Lee, Jung-Won
    • Proceedings of the Korea Information Processing Society Conference
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    • 2017.04a
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    • pp.900-903
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    • 2017
  • 캡슐내시경은 일반적인 내시경의 접근이 어려운 소장을 관찰하는 데 특화되어 있다. 보통 캡슐내시경 영상을 판독하기 위해 의사는 해부학적 지식과 병리학적 지식과 같은 도메인 지식을 활용하여 영상에 내재된 정보를 획득한다. 이와 같은 내재된 정보는 도메인 지식을 활용하여 분석될 수 있는 의미적 정보라고 할 수 있다. 본 논문에서는 의미적 정보를 추출하는 과정을 의미 기반 분석이라 정의하고, 의미 기반 분석 과정에서 요구되는 도메인 지식 모델링 기법을 제안하고자 한다. 캡슐내시경의 의미 기반 분석 과정은 크게 이미지 특징 추출, 해부학적 분석, 병리학적 분석으로 구성되며, 이와 같은 분석 과정에 활용될 수 있는 해부학 모델과 병리학 모델을 제안한다. 제안하는 모델은 캡슐내시경 영상의 주요 대상 기관인 소장에 특화된 모델로 효과적인 영상 판독을 보조할 수 있음을 보인다.

Pericardial Recess: Computed Tomography Findings of Varying Disorders (심낭오목: 다양한 질환에서의 CT 소견)

  • Jinho Seo;Youngtong Kim;Sungshick Jou;Chanho Park
    • Journal of the Korean Society of Radiology
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    • v.81 no.6
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    • pp.1364-1376
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    • 2020
  • A pericardial recess is frequently seen in patients undergoing chest computed tomography (CT). It is important to be aware of the normal anatomy of the pericardium as it is often mistaken for normal variants and/or disease. Therefore, we will describe the anatomy and location of the pericardial recess and the specific findings in various diseases associated with the pericardial recess.

Educational Effects of Self-directed Learning Method Using 3D Printing Products on Radiological Science Students (3D 프린팅 구조물을 이용한 자기주도 학습방법이 방사선학과 학생들에 미치는 교육 효과)

  • Seoung, Youl-Hun
    • Journal of the Korean Society of Radiology
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    • v.14 no.1
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    • pp.45-51
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    • 2020
  • The purpose of this study was to analyze the educational effect of self-directed learning method using 3D printed anatomy on radiological science students. The subjects were 32 students (20 males and 12 females) in the second year of radiological science at university. They were divided two groups as a non-active student group and an active student group. A learning method was self-directed learning using 3D printed anatomical structures, and the effects of quantitative learning improvement were evaluated before and after the learning. The qualitative evaluation of the students was analyzed on the Likert's 5-point scale for the interest, satisfaction, and learning effects (memorization convenience of anatomy name, radiography Interpret ability, understanding on bones structure, and X-ray projection technique). As a result, the enhancement of learning improved 65.4% on average, and all students got scored high on all variables. Especially non-active student groups showed higher correlation coefficients in all variables except interest and radiography interpret than active student groups. These results might suggest that self-directed learning using 3D printed anatomical structures could have a positive educational effect on radiological science students.

Ultrasonography of the Foot and Ankle (족부 및 족관절의 초음파)

  • Yeo, Eui-Dong;Kim, Hak Jun
    • The Journal of Korean Orthopaedic Ultrasound Society
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    • v.6 no.1
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    • pp.20-27
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    • 2013
  • The anatomical structures of foot and ankle are more superficial than other body structures. The ultrasonographic examinations are easy and useful diagnostic tools in the foot and ankle field. The interpretation of ultrasonographic findings depends on the observer's experiences of sonographical anatomy. Repeated ultrasonographic examination of the foot and ankle can improved the skills in diagnosing the disease of the foot and ankle.

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Ultrasound-guided Intervention in Lumbar Spine (요추부 초음파 유도하 중재술)

  • Moon, Sang Ho
    • The Journal of Korean Orthopaedic Ultrasound Society
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    • v.6 no.2
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    • pp.81-93
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    • 2013
  • This review was described to investigate the feasibility of using ultrasound as an image tool for interventions of lumbar spine. This article will first provide an overview of lumbosacral spine surface anatomy and sonoanatomy. A detailed understanding of anatomy is critical for interpretation of ultrasound and procedural performance at spine. Fluoroscopy is most commonly used in interventional spine procedures, but radiation exposure is the major concern when obtaining fluoroscopic images. Ultrasound is radiation-free, is easy to use, and can provide real-time images with high accuracy. Also this device can be used in virtually any clinical setting. Ultrasound guidance offers a reliable alternative to fluoroscopy or computed tomography for lumbar interventions and can be safely performed without radiation exposure.

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Normal Anatomy of Cranial Nerves III-XII on Magnetic Resonance Imaging (뇌신경 III-XII의 정상 자기공명영상 소견)

  • Hyung-Jin Kim;Minjung Seong;Yikyung Kim
    • Journal of the Korean Society of Radiology
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    • v.81 no.3
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    • pp.501-529
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    • 2020
  • Because of the inherent complex anatomy and functional arrangement of the cranial nerves (CNs), neuroimaging of cranial neuropathy is challenging. With recent advances in magnetic resonance imaging (MRI) techniques, the cause of cranial neuropathy can now be detected in many cases. As an active multidisciplinary team member of cranial neuropathy, it is essential for the neuroradiologist to be familiar with the detailed anatomy of the CNs on MRI. This review contains the basic MRI anatomy of CNs III-XII according to a segmental classification from the brain stem to the extracranial region. The optimal imaging options to best evaluate the specific segment of the CNs will also be discussed briefly.

3차원 의료영상의 가시화 : 기술, 응용, 전망

  • 최수미;김정식
    • Korea Multimedia Society
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    • v.8 no.1
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    • pp.47-57
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    • 2004
  • 의료영상기기의 발달로 인체 내부의 장기들에 대한 촬영이 가능해지면서 의료영상을 이용하여 인체 해부학적 구조 및 장기 기능을 시각화 및 분석하는 것에 대한 관심이 높아지고 있다. 이러한 의료영상 가시화 기술은 영상처리 및 컴퓨터 비젼, 컴퓨터 그래픽스, 가상 및 증강현실 등의 다양한 분야의 기술과 연계되어 컴퓨터 의료진단 및 치료계획, 가상 수술 시뮬레이션, 원격 수술로 봇과 같은 첨단 의료 시스템의 개발에 박차를 가하고 있다. (중략)

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