Variations in signal‐to‐noise characteristics of tissue‐equivalent attenuators for mammographic automatic exposure control system performance evaluation
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13870
Abstract: Abstract Purpose This work investigates the impact of tissue‐equivalent attenuator choice on measured signal‐to‐noise ratio (SNR) for automatic exposure control (AEC) performance evaluation in digital mammography. It also investigates how the SNR changes for each… read more here.
Keywords: system; noise; performance; aec performance ... See more keywords
Technical Note: Human tissue-equivalent MRI phantom preparation for 3 and 7 Tesla.
Sign Up to like & getrecommendations! Published in 2021 at "Medical physics"
DOI: 10.1002/mp.14986
Abstract: PURPOSE While test objects (phantoms) in MRI are crucial for sequence development, protocol validation and quality control, studies on the preparation of phantoms has been scarce, particularly at fields exceeding 3 Tesla. Here we present… read more here.
Keywords: human tissue; technical note; tissue; note human ... See more keywords
A wall-less Tissue Equivalent Proportional Counter as connecting bridge from microdosimetry to nanodosimetry
Sign Up to like & getrecommendations! Published in 2020 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2020.108729
Abstract: Abstract The deep understanding of the interaction between ionizing radiation and soft tissue is of fundamental for radiotherapy and hadron therapy. The complexity of the damage caused by radiation and its biological effectiveness depends on… read more here.
Keywords: wall less; tissue equivalent; proportional counter; nanodosimetry ... See more keywords
Investigations of various gamma radiation interaction parameters of human tissues and their tissue substitute materials for dosimetric applications
Sign Up to like & getrecommendations! Published in 2021 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2021.109742
Abstract: Abstract The aim of present work is to examine the radiation interaction properties of muscle, cortical bone, lungs and their tissue equivalent materials in variety of radiation based dosimetric applications. The radiation interaction parameters like… read more here.
Keywords: radiation; radiation interaction; tissue equivalent; equivalent materials ... See more keywords
MICRODOSIMETRIC MEASUREMENT OF SECONDARY RADIATION IN THE PASSIVE SCATTERED PROTON THERAPY ROOM OF iTHEMBA LABS USING A TISSUE‐EQUIVALENT PROPORTIONAL COUNTER
Sign Up to like & getrecommendations! Published in 2018 at "Radiation Protection Dosimetry"
DOI: 10.1093/rpd/ncy056
Abstract: &NA; Measurements of the dose equivalent at different distances from the isocenter of the proton therapy center at iThemba LABS were previously performed with a tissue‐equivalent proportional counter (TEPC). These measurements showed that the scattered… read more here.
Keywords: proton therapy; ithemba labs; tissue equivalent; radiation ... See more keywords
Proficiency Testing for Complex Permittivity Measurements of Tissue Equivalent Liquid Used in SAR Assessment
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3039279
Abstract: Tissue equivalent liquid plays an important role in specific absorption rate (SAR) assessment. Proficiency tests (PTs) through interlaboratory comparison of dielectric parameters (i.e., dielectric constant and the electrical conductivity of the tissue equivalent liquid) were… read more here.
Keywords: assessment proficiency; equivalent liquid; sar assessment; tissue equivalent ... See more keywords
Multiwavelength tissue-mimicking phantoms with tunable vessel pulsation
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Biomedical Optics"
DOI: 10.1117/1.jbo.28.4.045003
Abstract: Abstract. Significance For the development and routine characterization of optical devices used in medicine, tissue-equivalent phantoms mimicking a broad spectrum of human skin properties are indispensable. Aim Our work aims to develop a tissue-equivalent phantom… read more here.
Keywords: tissue mimicking; human skin; pulsation; phantom ... See more keywords
A Novel Anthropomorphic Phantom Composed of Tissue-Equivalent Materials for Use in Experimental Radiotherapy: Design, Dosimetry and Biological Pilot Study
Sign Up to like & getrecommendations! Published in 2023 at "Biomimetics"
DOI: 10.3390/biomimetics8020230
Abstract: The production of anthropomorphic phantoms generated from tissue-equivalent materials is challenging but offers an excellent copy of the typical environment encountered in typical patients. High-quality dosimetry measurements and the correlation of the measured dose with… read more here.
Keywords: radiotherapy; equivalent materials; materials use; phantom ... See more keywords
Tissue composition effect on dose distribution in radiotherapy with a 6 MV photon beam of a medical linac
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cancer Research and Therapeutics"
DOI: 10.4103/jcrt.jcrt_706_16
Abstract: Aim: The aim of this study is to evaluate soft-tissue composition effect on dose distribution for various soft tissues in radiotherapy with a 6 MV photon beam of a medical linac. Background: The compositions of… read more here.
Keywords: photon beam; soft tissues; tissue equivalent; tissue ... See more keywords