Evaluation of a machine QA software tool for MLC performance checks

AIFM National congress 2018

Silvia Strolin(1), Paola Grimaldi(1), Roberta Nigro(2), Silvana Riccardi(2), Nicola Franza(3)
(1) INI Veroli, (2) S. Camillo De Lellis Rieti, (3) Dosimetrica.

Motion induced interplay effects for VMAT radiotherapy

Phys. Med. Biol. 63 (2018) 085012 (15pp)

Anneli Edvardsson1,5, Fredrik Nordström2,3, Crister Ceberg1 and Sofie Ceberg1,4
1 Department of Medical Radiation Physics,Clinical Sciences, Lund University, Lund, Sweden
2 Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, Gothenburg, Sweden
3 Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg, Gothenburg,
4 Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden
5 Author to whom any correspondence should be addressed.

Density scaling of phantom materials for a 3D dose verification system

Kensuke TaniYukio FujitaAkihisa WakitaRyohei Miyasaka , Ryuzo UeharaTakumi KodamaYuya SuzukiAko AikawaNorifumi Mizuno , Jiro KawamoriHidetoshi Saitoh

First published: 21 May 2018

Comparison between ArcCHECK® and Delta4® in VMAT treatment plans verification

S. Maffei1, L. Iadanza1, L. D’Ambrosio1, S. Imbimbo1, C. Zambella1, V. Cerciello1
(1) Istituto Nazionale tumori, Fondazione “G. Pascale”, Napoli

A clinically observed discrepancy between image-based and log-based MLC positions

Brian Neal, Mahmoud Ahmed, Kunal Kathuria, Tyler Watkins, Krishni Wijesooriya and Jeffrey Siebers

ScandiDos Discover System Evaluation

M. Gonod, V. Giordan, L. Aubignac.

Performance assessment of a programmable five degrees-of-freedom motion platform for quality assurance of motion management techniques in radiotherapy.

Chen-Yu Huang, Paul Keall, Adam Rice, Emma Colvill, Jin Aun Ng, Jeremy T. Booth.


Commissioning of a Treatment Plan Couch Model Using a 3-Dimensional Dose Measurement System

Fan Zhang, Ryan Schurr, Jeonghoon Park, Nathan Krishnamurthy, Claudia Huerta, Sangroh Kim, Andrew Morrow, Luis Vazquez
Scott & White Medical Center, Temple, TX, USA

Realizing Ultimate Patient Safety in Radiation Therapy using Transmission Detectors

By Dr. Dharanipathy Rangaraj, President and Chief Business Development Officer, Crux Quality Solutions

Are Transmission Detectors a Necessary Tool for a Safe Patient Radiation Therapy Program?

By Dr. Dharanipathy Rangaraj, President and Chief Business Development Officer, Crux Quality Solutions

Dosimetric validation for an automatic brain metastases planning software using single-isocenter dynamic conformal arcsDosimetric validation for an automatic brain metastases...

Authors: Haisong Lui, Jun Li, David W. Andrews, James J. Evans, Maria Werner-Wasik, Yan Yu, Adam Dicker, and Wenyin Shi - Thomas Jefferson University, Evangelos Pappas - Technological Educational Institute of Athens.

Journal of applied clinical medical physics, volume 17, number 5, 2016

A New Approach to Reconstruct the Patient Dose from Phantom Measurements

Poster at AAPM, 2016

E. Bängtsson1, J.H.W. de Vries2
1ScandiDos AB, 2Radiotherapie UMC Utrecht

Plan verification for Robotic Stereotactic RT with Delta4 system

W.W. Baus und G. Altenstein, Radiotherapy Department, Universitätsklinik Köln

Würzburg Sept. 2016, Jahrestagung der DGMP


Diode based transmission detector for IMRT delivery

Taoran Li,1 Q. Jackie Wu,1 Thomas Matzen,2 Fang-Fang Yin,1 and Jennifer C. O’Daniel1a Department of Radiation Oncology,1 Duke University Medical Center, Durham, NC, USA; ScandiDos AB,2 Uppsala, Sweden

Journal of Applied Clinical Medical Physics,

Vol 17 No 5 2016

Charaterization of clinically released ScandiDos Discover diode array for in-vivo dose monitoring

Daniel L. Saenz Ph.D., Alonso Gutierrez Ph.D M.B.A.
University of Texas Health Sience Center at San Antonio, TX
Poster presented at AAPM 2016 Washington DC.

Measurement-guided volumetric dose reconstruction for helical tomotherapy

Cassandra Stambaugh 1, Benjamin Nelms 2, Theresa Wolf 3, Richard Mueller 4, Mark Geurts 5, Daniel Opp 4, Geoffrey Zhang 4, Eduardo Moros 4, Vladimir Feygelman 4,

Journal of Applied Clinical Medical Physics

Vol. 16 No 2 (2015)

DMLC tracking and gating can improve dose coverage for prostate VMAT.

Med Phys 2014 Sep;41(9):091705. doi: 10.1118/1.4892605. Colvill E, Poulsen PR, Booth JT, O'Brien RT, Ng JA, Keall PJ.

The impact of leaf width and plan complexity on DMLC tracking of prostate intensity modulated arc therapy.

Pommer et al. Med Phys. 2013 Nov;40(11):111717.

Dosimetric benefit of DMLC tracking for conventional and sub-volume boosted prostate intensity-modulated arc radiotherapy.

Pommer et al. Phys Med Biol. 2013 Apr 7;58(7):2349-61

Dosimetric impact of interplay effect on a volumetric modulated arc therapy (VMAT) stereotactic lung (SBRT) delivery: Validation using a 6D motion platform and 3D dosimeter

D. Nguyen, F. Josserand Pietri, M. Zinutti, M. Khodri
Physica Medica: European Journal of Medical Physics; Vol 29; Suppl. 1; June 2013

Interpretation of Pre-Treatment Verification Results with respect to Patient Anatomy

J Bedford et al, ICR NHS and the Royal Marsden NHS Foundation Trust, Poster presented at the UKRO 2013 meeting

Patient dose calculation based on ScandiDos Delta4PT measurements

A Gustafsson, White Paper

Patient QA systems for rotational radiation therapy: a comparative experimental study with intentional errors

Fredh A, Scherman JB, Fog LS, Munck af Rosenschöld P.
Med Phys. 2013 Mar;40(3):031716

A reliable algorithm for calculating 3D patient dose based on measured point doses in a QA phantom

Gustafsson A, Münger P, Matzen T, Nilsson G , Radiother Oncol. 2013; Vol. 106; Suppl 2 (2013):291

On the sensitivity of common gamma-index evaluation methods to MLC misalignments in Rapidarc quality assurance

G. Heilemann, B. Poppe, and W. Laub 
Med. Phys. 40, 031702 (2013)

Beam Modeling and VMAT performance with the Agility 160-leaf multileaf collimator

Bedford J et al. Journal of applied clinical medical physics, volume 14, number 2, 2013

Dosimetric evaluation of motion effects on different treatment techniques for breast cancer with integrated boost

Graydon S, Lang S, Verlaan S, Malla M, Glanzmann C, Klöck S , Radiother Oncol. 2013; Vol. 106; Suppl 2 (2013):464

Applicability of AAPM TG 119 on a 3D dosimetric phantom,

Monti A.F, Trombetta L, Brambilla M.G, Carbonini C, Ferrari M.B, Cadioli C,  Mainardi H.S, Torresin A Radiother Oncol. 2013; Vol. 106; Suppl 2 (2013):291

The capability of detecting MLC leaf positioning errors in VMAT treatment plans with an upstream detector system

Isacsson U, Nygård K, Wikström K ,
Radiother Oncol. 2013; Vol. 106; Suppl 2 (2013):439

Elekta Agility™ FFF for Lung VMAT SABR

Paynter D.J, Derbyshire S.J, Lilley J, Weston S.J, Thompson C.M, Cosgrove V.P, Thwaites D.I ,
Radiother Oncol. 2013; Vol. 106; Suppl 2 (2013):313

A statistical study on EPID QA of VMAT

Soendergaard U.S, Sjoelin M, Andersson P ,Radiother Oncol. 2013; Vol. 106; Suppl 2 (2013):437

Dosimetric Impact of Interplay Effect on a Single Arc VMAT

R. Varadhan, S. Way, C. Overbeck, K. Nisi
International Journal of Radiation Oncology * Biology * Physics
Volume 84, Issue 3, Supplement , Pages S829-S830, 1 November 2012

Validation of a new control system for Elekta accelerators facilitating continuously variable dose rate

Bertelsen, Lorenzen, and Brink. Med. Phys. 38 (8), August 2011                                                                                      

Investigations of Dose Delivery Accuracy of High Dose Rate Flattening Filter Free (FFF) Beams in RapidArc™ and IMRT Deliveries on TrueBeam™.

Luxton G, Mok E, Qian J, Fahimian B, Kielar K, Hsu A, Xing L SU-E-T-483: Med. Phys. 38, 3600 (2011)

Radiation therapy with unflattened photon beams: Dosimetric accuracy of advanced dose calculation algorithms

Kragl G et al,  Radiotherapy & Oncology, Volume 100, Issue 3 , Pages 417-423, September 2011,

QA Verifications of RapidArc Type SBRT Treatment Plans

X Song, et al , SU‐E‐T‐583:AAPM 2011

Current status and future perspective of flattening filter free photon beams

Georg D, Knöös T, McClean M . Med. Phys. 38, 1280 (2011);

Contribution of flattening filter free beams to extracranial stereotactic VMAT treatment of NSCLC patients

Hrbacek J, Lang S, Graydon S, Klöck S, Riesterer O. Radiotherapy and Oncology, Vol 99, Suppl. 1 (2011)

Radiotherapy with unflattened photon beams: Dosimetric accuracy of treatment planning systems

Kragl G, Albrich D, Fotina I, Georg D . Radiotherapy and Oncology, Vol 99, Suppl. 1 (2011)

Investigations of Dose Delivery Accuracy of High Dose Rate Flattening Filter Free (FFF) Beams in RapidArc™ and IMRT Deliveries on TrueBeam™

-- Luxton G, Mok E, Qian J, Fahimian B, Kielar K, Hsu A, Xing L, SU-E-T-483: . Med. Phys. 38, 3600 (2011)

Testing of Prototype Delta4AT Diode Array for In-Vivo Radiotherapy Dosimetry

Riley S et al.: Clatterbridge Centre for Oncology NHS Trust Wirral UK: AAPM July 2011 

Rotational IMRT delivery using a digital linear accelerator in very high dose rate "burst mode"

Salter B et al: Dpt of Radiation Oncology, University of Utah, Salt Lake City, UT: Phys. Med. Biol. 56, March 2011 

Clinical Comparison of Dose Calculation Using the Enhanced Collapsed Cone Algorithm vs. a New Monte Carlo Algorithm

Fotina, I , Strahlentherapie und Onkologie, 2011, Volume 187, Number 7, Pages 433-441

Evaluation of a new VMAT QA device, or the “X” and “O” array geometries

Feygelman V, Zhang G, Stevens C, Nelms B Journal of applied clinical medical physics, volume 12, number 2, spring 2011

Evaluation of a 3D diode array dosimeter for helical tomotherapy delivery QA

Feygelman V et al, Med Dosim. 2010 Winter;35(4):324-9.

Validations dosimetriques et fantome Delta-4 (French)

Garcia R et al, Institut Sante Catherine, Avignon: SFRO October 2009 

Initial dosimetric evaluation of SmartArc - a novel VMAT treatment planning module implemented in a multi-vendor delivery chain

 V. Feygelman et al, Lee Moffitt Cancer Center, Tampa: Journal of Applied Medical Physics

Commissioning of Volumetric Modulated Arc Therapy (VMAT)

Bedford J, et al 2009 , Int J Radiat Oncol Biol Phys. 2009 Feb 1;73(2):537-45.)

Longitudinal study using a diode phantom for helical tomotherapy IMRT QA.

Guerts M et al, Carribean Tomo: Medical Physics 36 (11) November 2009

Evaluation of a biplanar diode array dosimeter for quality assurance of step-and-shoot IMRT

V. Feygelman et al, Lee Moffitt Cancer Center, Tampa: Journal of Applied Medical Physics

Assessing the sensitivity for a multi-detector array for IMRT patient QA

S. Moral et al. UTHSC San Antonio: AAPM 2009 

Characterization and clinical evaluation of a Novel IMRT quality assurance system.

R. Sadogapan et al: UT MD Anderson Cancer Center, Houston, TX, USA: Journal of  Applied Clinical Medical Physics 

Evaluation of the Delta4 phantom for IMRT and VMAT verification.

James L. Bedford et al, Royal Marsden: Physics in Medicine and Biology

Delta4: TomoTherapy Deliver Quality Assurance (DQA) for SBRT Treatments

O. Calvo, A. Gutiérrez, UTHSC San Antonio: Case Study 

Validation of the Delta4 Dosimetry Phantom Against Ionometric Measurements

O. Calvo et al. UTHSC San Antonio: AAPM 2009 

Dosimetric verification of RapidArc treatment delivery

Korreman, Medin and Kjaer-Kristoffersen, Rigshopitalet, Copenhagen University Hospita: Acta Onc. 2009, 48 

4D dosimetry in the RapidArc treatments using Delta4

Bocanek, Nilsson, Varian, ScandiDos: AAPM 2008 

Quality assurance of advanced Radiotherapy techniques with Delta4

P Myles et al, Clatterbridge Center for Oncology NHS Trust Wirral UK: ESTRO 2008 

Correction of the treatment table absorption in IMRT Table models in TPS and measurements using an electronic 3D Detector

G. Lutters, Canton Hospital Aarau: ESTRO 2008 

Patient plan verification with diode arrays

Stephen Riley, Clatterbridge Center for Oncology NHS Trust Wirral UK: ESTRO 2008

Dosimetric verification of RapidArc treatment delivery using the Delta4 phantom

Korreman, Medin, et al, Rigshopitalet, Copenhagen University Hospital: AAPM 2008 

Using a 3D Diode Array System to Perform routine IMRT Machine QA (AAPM 2008)

Tianyou Xue, St. Lukes Hospital and Health Network: AAPM 2008 

Evaluation of Biplanar Diode Array for MLC and Compensator-based IMRT QA

V. Feygelman et al, Moffitt Cancer Center: AAPM 2008 

Validation of Delta4 for clinical use

Persson E, Granlund U, Örebro University Hospital: ESTRO 2008 

Characterisation, Commissioning and Evaluation of Delta4 IMRT QA system

R. Sadogapan, UT MD Anderson CC: AAPM 2007 . Presentation at AAPM 2007

Using a 3d diode array System to Verify 3 Dose Distribution.

Abstract ID: 6795

Delta4 a new IMRT QA device

Nilsson, G, ScandiDos: AAPM 2007 

Clinical Implementation of a 3D Dosimeter for Accurate IMRT and VMAT Patient Specific QA

Open Journal of Biophysics, 2013, 3, 99-111

Thuc Pham, Jianjie Luo Department of Medical Physics, Royal Adelaide Hospital, Adelaide, Australia Email: