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Advances in the simulation of light–tissue interactions in biomedical engineering

Krasnikov , Seteikin A, Roth B

Monte Carlo (MC) simulation for light propagation in scattering and absorbing media is the gold standard for studying the interaction of light with biological tissue and has been used for...
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Recent trends in two-photon auto-fluorescence lifetime imaging (2P-FLIM) and its biomedical applications

Ranawat H, Pal S, Mazumder N

Two photon fluorescence microscopy and the numerous technical advances to it have served as valuable tools in biomedical research. The fluorophores (exogenous or endogenous) absorb light and emit lower energy...
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Radioembolization for the Treatment of Primary and Metastatic Liver Cancers

Lee EJ, Chung HW, Jo JH, So Y

Radioembolization using ⁹⁰Y microspheres (glass or resin) has been introduced as an effective intraarterial therapy for unresectable primary and metastatic liver cancers. Although the basic therapeutic effect of chemoembolization results...
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Secondary Neutron Dose Measurement for Proton Line Scanning Therapy

Lee C, Lee S, Chung K, Han Y, Chung YH, Kim JS

Proton therapy is increasingly being actively used in the treatment of cancer. In contrast to photons, protons have the potential advantage of delivering higher doses to the cancerous tissue and...
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Conspicuity of FDG-Avid Osseous Lesions on PET/MRI Versus PET/CT: a Quantitative and Visual Analysis

Fraum TJ, Fowler KJ, McConathy

BACKGROUND: Because standardMRI-based attenuation correction (AC) does not account for the attenuation of photons by cortical bone, PET/MRI may have reduced sensitivity for FDG-avid focal bone lesions (FFBLs). This study...
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Instrumentation for Time-of-Flight Positron Emission Tomography

Ullah MN, Pratiwi E, Cheon J, Choi H, Yeom JY

Positron emission tomography (PET) is a molecular imaging modality that provides information at the molecular level. This system is composed of radiation detectors to detect incoming coincident annihilation gamma photons...
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The effect of resin thickness on polymerization characteristics of silorane-based composite resin

Son SA, Roh HM, Hur B, Kwon YH, Park JK

OBJECTIVES: This study examined the influence of the resin thickness on the polymerization of silorane- and methacrylate-based composites. MATERIALS AND METHODS: One silorane-based (Filtek P90, 3M ESPE) and two methacrylate-based (Filtek...
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Influence of Couch and Collimator on Dose Distribution of RapidArc Treatment Planning for Prostate Cancer in Radiation Therapy

Kim HD, Kim BY, Kim SJ, Yun SM, Kim SK

  • KMID: 2425221
  • Korean J Med Phys.
  • 2012 Jun;23(2):99-105.
We investigated the influence of photon energy, couch and collimator angle differences between arcs on dose distribution of RapidArc treatment planning for prostate cancer. RapidArc plans were created for 6...
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Basics of particle therapy II: relative biological effectiveness

Choi J, Kang JO

In the previous review, the physical aspect of heavy particles, with a focus on the carbon beam was introduced. Particle beam therapy has many potential advantages for cancer treatment without...
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Basic Principles of Laser for Prostate Surgery

Kim JW, Moon DG

Recent advances in laser technology have provided a varied arsenal for endoscopic treatment of benign prostatic hyperplasia. Laser is a collimated coherent radiation of photons generated by stimulated emission of...
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Survey of Technical Parameters for Pediatric Chest X-ray Imaging by Using Effective DQE and Dose

Park HS, Kim YS, Kim ST, Park OS, Jeon CW, Kim HJ

  • KMID: 1451801
  • Korean J Med Phys.
  • 2011 Dec;22(4):163-171.
The purpose of this study was to investigate the effect of various technical parameters for the dose optimization in pediatric chest radiological examinations by evaluating effective dose and effective detective...
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Monte Carlo Study Using GEANT4 of Cyberknife Stereotactic Radiosurgery System

Lee CI, Shin JW, Shin HJ, Jung JY, Kim YL, Min JH, Hong SW, Chung SM, Jung WG, Suh TS

  • KMID: 2243938
  • Korean J Med Phys.
  • 2010 Jun;21(2):192-200.
Cyberknife with small field size is more difficult and complex for dosimetry compared with conventional radiotherapy due to electronic disequilibrium, steep dose gradients and spectrum change of photons and electrons....
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Physical principles of digital radiographic imaging system

Choi JW, Yi WJ

  • KMID: 2074831
  • Korean J Oral Maxillofac Radiol.
  • 2010 Dec;40(4):155-158.
Digital radiographic systems allow the implementation of a fully digital picture archiving and communication system (PACS), and provide the greater dynamic range of digital detectors with possible reduction of X-ray...
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In vivo Tracking of Transplanted Bone Marrow-Derived Mesenchymal Stem Cells in a Murine Model of Stroke by Bioluminescence Imaging

Jang KS, Lee KS, Yang SH, Jeun SS

OBJECTIVE: This study was designed to validate the cell trafficking efficiency of the in vivo bioluminescence image (BLI) study in the setting of transplantation of the luciferase expressing bone marrow-derived...
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Long-term Results of Breast-conserving Surgery and Radiation Therapy in Early Breast Cancer

Kim JH, Byun SJ

PURPOSE: To evaluate the long-term results after breast-conserving surgery and radiation therapy in early breast cancer in terms of failure, survival, and cosmesis. MATERIALS AND METHODS: One hundred fifty-four patients with...
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Development of Optical Molecular Imaging System for the Acquisition of Bioluminescence Signals from Small Animals

Lee BI, Kim HS, Jeong HJ, Lee HJ, Moon SM, Kwon SY, Choi ES, Jeong SY, Bom HS, Min JJ

  • KMID: 2313111
  • Nucl Med Mol Imaging.
  • 2009 Aug;43(4):344-351.
PURPOSE: Optical imaging is providing great advance and improvement in genetic and molecular imaging of animals and humans. Optical imaging system consists of optical imaging devices, which carry out major...
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Long Term Results of Radiation Therapy in Early Glottic Cancer

Byun SJ, Kim JH

PURPOSE: This study was designed to evaluate long-term results in terms of failure, survival and voice preservation after radiation therapy for early glottic cancer. MATERIALS AND METHODS: From February 1988 to...
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Standardization of the Method of Measuring Average Glandular Dose (AGD) and Evaluation of the Breast Composition and Thickness for AGD

Park HS, Kim HJ, Lee CL, Cho HM, Yu AR

  • KMID: 1467609
  • Korean J Med Phys.
  • 2009 Mar;20(1):21-29.
Breast cancer is the most common form of cancer among korean woman. Therefore, the early detection activities of breast cancer such as breast self-examinations, clinical breast examinations, mammography are important....
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Development of Quantification Method for Bioluminescence Imaging

Kim HS, Choi ES, Tak YO, Choi HK, Lee JY, Min JJ, Lee BI

  • KMID: 1841150
  • Nucl Med Mol Imaging.
  • 2009 Oct;43(5):451-458.
PURPOSE: Optical molecular luminescence imaging is widely used for detection and imaging of bio-photons emitted by luminescent luciferase activation. The measured photons in this method provide the degree of molecular...
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Physical Artifact Correction in Nuclear Medicine Imaging: Normalization and Attenuation Correction

Kim JS, Lee JS, Cheon GJ

  • KMID: 1484978
  • Nucl Med Mol Imaging.
  • 2008 Apr;42(2):112-117.
Artifact corrections including normalization and attenuation correction were important for quantitative analysis in Nuclear Medicine Imaging. Normalization is the process of ensuring that all lines of response joining detectors in...
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