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Matrixx Initiatives 2d array matrixx evolution
Characteristics of the used <t> 2D arrays </t>
2d Array Matrixx Evolution, supplied by Matrixx Initiatives, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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1) Product Images from "Practical implications for the quality assurance of modulated radiation therapy techniques using point detector arrays"

Article Title: Practical implications for the quality assurance of modulated radiation therapy techniques using point detector arrays

Journal: Journal of Applied Clinical Medical Physics

doi: 10.1002/acm2.12157

Characteristics of the used  2D arrays
Figure Legend Snippet: Characteristics of the used 2D arrays

Techniques Used:

Related Articles

other:

Article Title: Quality assurance of carbon ion and proton beams: A feasibility study for using the 2D MatriXX detector.
Article Snippet: Repeating the vertical scan, the spots would now be located at different relative positions between adjacent columns of chambers. carbon ion and proton beams: A feasibility study for using the 2D MatriXX Figure 2. (a) Measured grid spot positions with the carbon ion beam.

Article Title: Practical implications for the quality assurance of modulated radiation therapy techniques using point detector arrays
Article Snippet: Including three of the most often used 2D arrays (MatriXX evolution , Octavius 1500 , MapCHECK2) in one study offers the advantage of better comparability, which helps interpreting differences in gamma‐evaluation studies for plan‐individual QA, in general.

Article Title: FRoG: An independent dose and LET d prediction tool for proton therapy at ProBeam® facilities.
Article Snippet: Dose distributions were measured with a MatriXX PT 2D array detector, providing 32 × 32 measurements over an active field of 24.4×24.4cm2.

Article Title: 2024 Annual Meeting Abstracts - General Poster Discussion.
Article Snippet: Purpose: The application of artificial intelligence (AI) for an efficient IMRT quality assurance (QA) —which uses AI to identify IMRT plans for selective measurement — has demonstrated promising results in properly triaging plans for QA and potentially reducing the workload for measurement-based QA.. Yet its clinical implementation requires a comprehensive risk assessment to ensure patient safety.. This work evaluated our AI-assisted hybrid quality assurance (AIHQA) workflow using failure mode and effect analysis (FMEA).

Article Title: Practical implications for the quality assurance of modulated radiation therapy techniques using point detector arrays
Article Snippet: Using three commercially available 2D arrays (Mx: MatriXX evolution , Oc: Octavius 1500 , Mc: MapCHECK2), simple static measurements, measurements for MLC characterization and dynamic interplay of gantry movement, MLC movement and variable dose rate were performed.

Article Title: Effect of fluence smoothing on the quality of intensity-modulated radiation treatment plans.
Article Snippet: A fluence-smoothing function applied for reducing the complexity of a treatment plan is an optional requirement in the inverse planning optimization algorithm of intensity-modulated radiation therapy (IMRT).. In this study, we investigated the consequences of fluence smoothing on the quality of highly complex and inhomogeneous plans in a treatment-planning system, Eclipse.. The smoothing function was applied both in the direction of leaf travel (X) and perpendicular to leaf travel (Y).

Article Title: Evaluation of the ability of three commercially available dosimeters to detect systematic delivery errors in step-and-shoot IMRT plans
Article Snippet: This was followed by the I’mRT MatriXX (2D array) using a 3%/3 mm gamma criteria, then the single ion chamber measurement.

Irradiation:

Article Title: Quality assurance of carbon ion and proton beams: A feasibility study for using the 2D MatriXX detector.
Article Snippet: .. The center of gravity coordinates (Xcog, Ycog) of the spots were calculated using the following formulae: carbon ion and proton beams: A feasibility study for using the 2D MatriXX Xcog 1⁄4 P Sij Xi;jP Sij ; Ycog 1⁄4 P Sij Yi;jP Sij ð1Þ where Sij is the number of counts recorded in chamber i; j ver the snapshots acquired when the corresponding spot was irradiated, (Xi,j, Yi,j) are the coordinates of the center of chamber (i, j), and the sums run over all the MatriXX chambers. ..



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Image Search Results


(a) The StereoPHAN phantom and the SRS mapCHECK diode array positioned on the couch for CT scanning. (b) An axial CT slice of the diode array with the TPS‐calculated dose distribution corresponding to the clinically used leaf offset parameter. Contours legend: targets: red, blue, and purple; brainstem‐like critical organ: green

Journal: Journal of Applied Clinical Medical Physics

Article Title: Impact of systematic MLC positional uncertainties on the quality of single‐isocenter multi‐target VMAT‐SRS treatment plans

doi: 10.1002/acm2.13708

Figure Lengend Snippet: (a) The StereoPHAN phantom and the SRS mapCHECK diode array positioned on the couch for CT scanning. (b) An axial CT slice of the diode array with the TPS‐calculated dose distribution corresponding to the clinically used leaf offset parameter. Contours legend: targets: red, blue, and purple; brainstem‐like critical organ: green

Article Snippet: Moreover, the commercially available StereoPHAN phantom in combination with the SRS mapCHECK 2D diode array (both produced by Sun Nuclear Corp., Melbourne, FL) were used for plan verification of a challenging VMAT‐SRS case and results are compared with TPS‐calculated dose distributions obtained after changing the clinically used leaf offset parameter.

Techniques:

Absolute percent error against the measured dose for the 2D diode detector and EPID. Error bars represent 1 SD. There was no significant (NS) difference.

Journal: Journal of Applied Clinical Medical Physics

Article Title: Intensity‐modulated radiation therapy dose verification using fluence and portal imaging device

doi: 10.1120/jacmp.v17i1.5899

Figure Lengend Snippet: Absolute percent error against the measured dose for the 2D diode detector and EPID. Error bars represent 1 SD. There was no significant (NS) difference.

Article Snippet: The other pattern was based on a dose comparison between the calculated TPS dose distribution and the measured 2D diode array dose distribution (MapCHECK; Sun Nuclear Corporation, Melbourne, FL).

Techniques:

Comparisons of the gamma passing rates (criteria: 3% global / 3 mm, 2% global / 2 mm) for the calculated dose distribution of the TPS and predicted dose distributions of the 2D diode detector and EPID, compared with the film measurement. Each bar indicates the mean gamma passing rate; error bars represent 1 SD. * = p < 0.02 , † = p < 0.04 , NS = not significant .

Journal: Journal of Applied Clinical Medical Physics

Article Title: Intensity‐modulated radiation therapy dose verification using fluence and portal imaging device

doi: 10.1120/jacmp.v17i1.5899

Figure Lengend Snippet: Comparisons of the gamma passing rates (criteria: 3% global / 3 mm, 2% global / 2 mm) for the calculated dose distribution of the TPS and predicted dose distributions of the 2D diode detector and EPID, compared with the film measurement. Each bar indicates the mean gamma passing rate; error bars represent 1 SD. * = p < 0.02 , † = p < 0.04 , NS = not significant .

Article Snippet: The other pattern was based on a dose comparison between the calculated TPS dose distribution and the measured 2D diode array dose distribution (MapCHECK; Sun Nuclear Corporation, Melbourne, FL).

Techniques:

Comparisons of dose differences for the planned dose distribution (a), and the predicted dose distributions of the 2D diode detector (b) and EPID (c). Comparisons of gamma distribution are also shown in (d), (e), and (f), respectively. Gamma index values of > 1 are shown in red.

Journal: Journal of Applied Clinical Medical Physics

Article Title: Intensity‐modulated radiation therapy dose verification using fluence and portal imaging device

doi: 10.1120/jacmp.v17i1.5899

Figure Lengend Snippet: Comparisons of dose differences for the planned dose distribution (a), and the predicted dose distributions of the 2D diode detector (b) and EPID (c). Comparisons of gamma distribution are also shown in (d), (e), and (f), respectively. Gamma index values of > 1 are shown in red.

Article Snippet: The other pattern was based on a dose comparison between the calculated TPS dose distribution and the measured 2D diode array dose distribution (MapCHECK; Sun Nuclear Corporation, Melbourne, FL).

Techniques: