Quantitative Evaluation of Scintillation Camera Imaging Characteristics of Isotopes Used in Liver Radioembolization
Publication Date
November 03, 2011
Journal
PLOS ONE
Authors
Mattijs Elschot, Johannes Franciscus Wilhelmus Nijsen, Alida Johanna Dam & Hugo Wilhelmus Antonius Maria De Jong
Volume
6
Issue
11
Pages
e26174
DOI
https://dx.plos.org/10.1371/journal.pone.0026174
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0026174
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/22073149
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3207835
Europe PMC
http://europepmc.org/abstract/MED/22073149
Web of Science
000297197000007
Scopus
80455158116
Mendeley
http://www.mendeley.com/research/quantitative-evaluation-scintillation-camera-imaging-characteristics-isotopes-used-liver-radioemboli
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Mendeley | Further Information

{"title"=>"Quantitative evaluation of scintillation camera imaging characteristics of isotopes used in liver radioembolization", "type"=>"journal", "authors"=>[{"first_name"=>"Mattijs", "last_name"=>"Elschot", "scopus_author_id"=>"36117605600"}, {"first_name"=>"Johannes Franciscus Wilhelmus", "last_name"=>"Nijsen", "scopus_author_id"=>"6602916433"}, {"first_name"=>"Alida Johanna", "last_name"=>"Dam", "scopus_author_id"=>"54402566900"}, {"first_name"=>"Hugo Wilhelmus Antonius Maria", "last_name"=>"de Jong", "scopus_author_id"=>"7102715206"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"362874026", "sgr"=>"80455158116", "pmid"=>"22073149", "scopus"=>"2-s2.0-80455158116", "isbn"=>"1932-6203 (Electronic)\\n1932-6203 (Linking)", "doi"=>"10.1371/journal.pone.0026174", "issn"=>"19326203"}, "id"=>"875c43f0-ff5a-33b1-8d48-a4c2322fad64", "abstract"=>"BACKGROUND: Scintillation camera imaging is used for treatment planning and post-treatment dosimetry in liver radioembolization (RE). In yttrium-90 (90Y) RE, scintigraphic images of technetium-99m (99mTc) are used for treatment planning, while 90Y Bremsstrahlung images are used for post-treatment dosimetry. In holmium-166 (166Ho) RE, scintigraphic images of 166Ho can be used for both treatment planning and post-treatment dosimetry. The aim of this study is to quantitatively evaluate and compare the imaging characteristics of these three isotopes, in order that imaging protocols can be optimized and RE studies with varying isotopes can be compared.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: Phantom experiments were performed in line with NEMA guidelines to assess the spatial resolution, sensitivity, count rate linearity, and contrast recovery of 99mTc, 90Y and 166Ho. In addition, Monte Carlo simulations were performed to obtain detailed information about the history of detected photons. The results showed that the use of a broad energy window and the high-energy collimator gave optimal combination of sensitivity, spatial resolution, and primary photon fraction for 90Y Bremsstrahlung imaging, although differences with the medium-energy collimator were small. For 166Ho, the high-energy collimator also slightly outperformed the medium-energy collimator. In comparison with 99mTc, the image quality of both 90Y and 166Ho is degraded by a lower spatial resolution, a lower sensitivity, and larger scatter and collimator penetration fractions.\\n\\nCONCLUSIONS/SIGNIFICANCE: The quantitative evaluation of the scintillation camera characteristics presented in this study helps to optimize acquisition parameters and supports future analysis of clinical comparisons between RE studies.", "link"=>"http://www.mendeley.com/research/quantitative-evaluation-scintillation-camera-imaging-characteristics-isotopes-used-liver-radioemboli", "reader_count"=>30, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>2, "Researcher"=>6, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>6, "Student > Master"=>2, "Other"=>6, "Student > Bachelor"=>2, "Lecturer"=>2, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>2, "Researcher"=>6, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>6, "Student > Master"=>2, "Other"=>6, "Student > Bachelor"=>2, "Lecturer"=>2, "Professor"=>1}, "reader_count_by_subject_area"=>{"Engineering"=>2, "Unspecified"=>4, "Medicine and Dentistry"=>15, "Agricultural and Biological Sciences"=>1, "Arts and Humanities"=>1, "Neuroscience"=>1, "Business, Management and Accounting"=>1, "Physics and Astronomy"=>5}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>2}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>15}, "Neuroscience"=>{"Neuroscience"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>5}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>1}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Unspecified"=>{"Unspecified"=>4}, "Arts and Humanities"=>{"Arts and Humanities"=>1}}, "group_count"=>4}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/716960"], "description"=>"<p>(A) The observed count rate is plotted as a function of ideal count rate. Sorensen's count rate model for paralyzable cameras (solid line) is fitted to the intrinsic count rate measurements (data points). The ideal camera count rate response, without dead-time effects, is plotted by the dashed line. (B) Shown are the system count rate curves (solid lines), composed of the intrinsic count rate linearity curve and the system sensitivity measurements. The slope of the ideal system camera count rate response (dashed lines) corresponds to the system sensitivity.</p>", "links"=>[], "tags"=>["linearity"], "article_id"=>387326, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.g003", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Intrinsic_and_system_count_rate_linearity_curves_/387326", "title"=>"Intrinsic and system count rate linearity curves.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 12:04:42"}
  • {"files"=>["https://ndownloader.figshare.com/files/716867"], "description"=>"<p>The slice through the center of the spheres of the contrast recovery phantom filled with <sup>99m</sup>Tc is shown. Overlaid are the locations of the lung insert (central red ROI), the hot sphere ROI (peripheral red ROI), and 11 of the 55 background ROI of the largest sphere (green ROI).</p>", "links"=>[], "tags"=>["oncology", "biophysics", "physics", "Gastroenterology and hepatology", "radiology and medical imaging"], "article_id"=>387221, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.g002", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Overview_of_the_hot_sphere_and_background_ROI_/387221", "title"=>"Overview of the hot sphere and background ROI.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 12:04:10"}
  • {"files"=>["https://ndownloader.figshare.com/files/716806"], "description"=>"<p>Shown are the camera, including the collimator (A), a stack of 20 PMMA slabs of size 40×40×1 cm (B), the location of the line-source (C), and the patient bed (D). The line-source to collimator-face distance is 11 cm.</p>", "links"=>[], "tags"=>["overview", "spatial", "line-source", "centered", "20", "cm"], "article_id"=>387153, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.g001", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Schematic_overview_of_the_spatial_resolution_measurement_of_the_line_source_centered_in_20_cm_PMMA_/387153", "title"=>"Schematic overview of the spatial resolution measurement of the line-source centered in 20 cm PMMA.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 12:03:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/717345"], "description"=>"<p>Sensitivity in counts per second per unit activity.</p>", "links"=>[], "tags"=>["counts"], "article_id"=>387709, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.t004", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Sensitivity_in_counts_per_second_per_unit_activity_/387709", "title"=>"Sensitivity in counts per second per unit activity.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 12:06:42"}
  • {"files"=>["https://ndownloader.figshare.com/files/717245"], "description"=>"<p>(A) LSF of the <sup>99m</sup>Tc line-source and VXGP collimator, (B) <sup>166</sup>Ho and HEGP, (C) <sup>90</sup>Y 120–250 keV and HEGP, and (D) <sup>90</sup>Y 50–250 keV and MEGP. Data is plotted on semi-logarithmic scale, showing good agreement between the measurements (data points) and simulations (blue solid line). The intensity is normalized to the total number of counts in the ROI. Contributions of primary, scattered, and penetrated photons are shown in green, light blue, and red, respectively.</p>", "links"=>[], "tags"=>["simulated", "lsf", "line-source", "centered", "20", "cm"], "article_id"=>387598, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.g006", "stats"=>{"downloads"=>3, "page_views"=>15, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Measured_and_simulated_LSF_of_the_line_source_centered_in_20_cm_PMMA_/387598", "title"=>"Measured and simulated LSF of the line-source centered in 20 cm PMMA.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 12:06:10"}
  • {"files"=>["https://ndownloader.figshare.com/files/717430"], "description"=>"<p>Monte Carlo simulated primary, scatter and collimator penetration fractions for the experimental set-up with the line source centered in 20 cm PMMA.</p>", "links"=>[], "tags"=>["carlo", "simulated", "collimator", "penetration", "fractions", "set-up", "centered", "20", "cm"], "article_id"=>387786, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.t006", "stats"=>{"downloads"=>0, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Monte_Carlo_simulated_primary_scatter_and_collimator_penetration_fractions_for_the_experimental_set_up_with_the_line_source_centered_in_20_cm_PMMA_/387786", "title"=>"Monte Carlo simulated primary, scatter and collimator penetration fractions for the experimental set-up with the line source centered in 20 cm PMMA.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 12:07:04"}
  • {"files"=>["https://ndownloader.figshare.com/files/717466"], "description"=>"a<p>E<sub>βmax</sub> represents the maximum energy and abundance of the beta particles.</p>b<p>E<sub>γ</sub> represents the gamma photon energy and abundance.</p>c<p>E<sub>win</sub> represents the lower and upper limits of the energy window.</p>", "links"=>[], "tags"=>["characteristics"], "article_id"=>387831, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.t001", "stats"=>{"downloads"=>3, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Radioisotope_characteristics_and_measurement_settings_/387831", "title"=>"Radioisotope characteristics and measurement settings.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 12:07:19"}
  • {"files"=>["https://ndownloader.figshare.com/files/717505"], "description"=>"<p>All collimators have hexagonal hole shapes.</p>", "links"=>[], "tags"=>["oncology", "biophysics", "physics", "Gastroenterology and hepatology", "radiology and medical imaging"], "article_id"=>387864, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.t002", "stats"=>{"downloads"=>2, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Collimator_characteristics_/387864", "title"=>"Collimator characteristics.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 12:07:29"}
  • {"files"=>["https://ndownloader.figshare.com/files/717081"], "description"=>"<p>The slices through the center of the spheres of the contrast recovery phantom are shown for <sup>99m</sup>Tc and VXGP (A), <sup>90</sup>Y 120–250 keV and MEGP (B), <sup>90</sup>Y 120–250 keV and HEGP (C), <sup>90</sup>Y 50–250 keV and MEGP (D), <sup>90</sup>Y 50–250 keV and HEGP (E), <sup>166</sup>Ho and MEGP (F), and <sup>166</sup>Ho and HEGP (G). All images were linearly window-leveled from 0 to 4 times the average background intensity.</p>", "links"=>[], "tags"=>["reconstructed", "images"], "article_id"=>387443, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.g004", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_FBP_reconstructed_images_of_the_contrast_recovery_phantom_/387443", "title"=>"FBP reconstructed images of the contrast recovery phantom.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 12:05:21"}
  • {"files"=>["https://ndownloader.figshare.com/files/717387"], "description"=>"<p>Estimated maximum activity in the linear detection range and corresponding estimated maximum linear count rate.</p>", "links"=>[], "tags"=>["linear", "detection", "corresponding"], "article_id"=>387748, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.t005", "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Estimated_maximum_activity_in_the_linear_detection_range_and_corresponding_estimated_maximum_linear_count_rate_/387748", "title"=>"Estimated maximum activity in the linear detection range and corresponding estimated maximum linear count rate.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 12:06:52"}
  • {"files"=>["https://ndownloader.figshare.com/files/717548"], "description"=>"<p>S01D02 corresponds to the measurement with 1 cm of scatter material and line-source to collimator distance of 2 cm, S01D06 to the measurement with 1 cm of scatter material and line-source to collimator distance of 6 cm, etc.</p>", "links"=>[], "tags"=>["fwhm"], "article_id"=>387905, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.t003", "stats"=>{"downloads"=>5, "page_views"=>22, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Spatial_resolution_given_as_the_FWHM_FWTM_in_mm_/387905", "title"=>"Spatial resolution given as the FWHM (FWTM) in mm.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 12:07:41"}
  • {"files"=>["https://ndownloader.figshare.com/files/717153"], "description"=>"<p>QH is the recovery of sphere-to-background contrast in the measurement, as compared to the true contrast in the phantom.</p>", "links"=>[], "tags"=>["oncology", "biophysics", "physics", "Gastroenterology and hepatology", "radiology and medical imaging"], "article_id"=>387506, "categories"=>["Physics", "Chemistry", "Cancer", "Cell Biology", "Biophysics"], "users"=>["Mattijs Elschot", "Johannes Franciscus Wilhelmus Nijsen", "Alida Johanna Dam", "Hugo Wilhelmus Antonius Maria de Jong"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0026174.g005", "stats"=>{"downloads"=>2, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Contrast_recovery_as_a_function_of_sphere_diameter_/387506", "title"=>"Contrast recovery as a function of sphere diameter.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 12:05:42"}

PMC Usage Stats | Further Information

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