Search Results - "Physics and imaging in radiation oncology"

Clinical implementation of artificial intelligence-driven cone-beam computed tomography-guided online adaptive radiotherapy in the pelvic region by Sibolt, Patrik, Andersson, Lina M., Calmels, Lucie, Sjöström, David, Bjelkengren, Ulf, Geertsen, Poul, Behrens, Claus F.

“…Studies have demonstrated the potential of online adaptive radiotherapy (oART). However, routine use has been limited due to resource demanding solutions. This…”
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Evaluation of measures for assessing time-saving of automatic organ-at-risk segmentation in radiotherapy by Vaassen, Femke, Hazelaar, Colien, Vaniqui, Ana, Gooding, Mark, van der Heyden, Brent, Canters, Richard, van Elmpt, Wouter

“…•Automatic delineation software shows promising results in terms of time-saving.•Standard geometry measures do not have a high correlation with delineation…”
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Clinical implementation of magnetic resonance imaging guided adaptive radiotherapy for localized prostate cancer by Tetar, Shyama U., Bruynzeel, Anna M.E., Lagerwaard, Frank J., Slotman, Ben J., Bohoudi, Omar, Palacios, Miguel A.

“…Magnetic resonance-guided radiation therapy (MRgRT) has recently become available in clinical practice and is expected to expand significantly in coming years…”
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A single neural network for cone-beam computed tomography-based radiotherapy of head-and-neck, lung and breast cancer by Maspero, Matteo, Houweling, Antonetta C., Savenije, Mark H.F., van Heijst, Tristan C.F., Verhoeff, Joost J.C., Kotte, Alexis N.T.J., van den Berg, Cornelis A.T.

“…•A deep learning network facilitated dose calculation from CBCT.•A single network achieved CBCT-based dose calculation generating synthetic CT for…”
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A systematic review and quality of reporting checklist for repeatability and reproducibility of radiomic features by Pfaehler, Elisabeth, Zhovannik, Ivan, Wei, Lise, Boellaard, Ronald, Dekker, Andre, Monshouwer, René, El Naqa, Issam, Bussink, Jan, Gillies, Robert, Wee, Leonard, Traverso, Alberto

“…•Main factors impacting feature stability: Image acquisition, reconstruction, tumor segmentation, and interpolation.•Textural features are less robust than…”
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Deep learning-based auto-segmentation of targets and organs-at-risk for magnetic resonance imaging only planning of prostate radiotherapy by Elguindi, Sharif, Zelefsky, Michael J., Jiang, Jue, Veeraraghavan, Harini, Deasy, Joseph O., Hunt, Margie A., Tyagi, Neelam

“…•Auto-segmentation using Deep Learning can be difficult with a small medical dataset.•Transfer learning allows deep learning networks to retrain easily on…”
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In vivo dosimetry in brachytherapy: Requirements and future directions for research, development, and clinical practice by Fonseca, Gabriel P., Johansen, Jacob G., Smith, Ryan L., Beaulieu, Luc, Beddar, Sam, Kertzscher, Gustavo, Verhaegen, Frank, Tanderup, Kari

“…Brachytherapy can deliver high doses to the target while sparing healthy tissues due to its steep dose gradient leading to excellent clinical outcome…”
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In vivo dosimetry in external beam photon radiotherapy: Requirements and future directions for research, development, and clinical practice by Olaciregui-Ruiz, Igor, Beddar, Sam, Greer, Peter, Jornet, Nuria, McCurdy, Boyd, Paiva-Fonseca, Gabriel, Mijnheer, Ben, Verhaegen, Frank

“…External beam radiotherapy with photon beams is a highly accurate treatment modality, but requires extensive quality assurance programs to confirm that…”
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Feasibility of ablative stereotactic body radiation therapy of pancreas cancer patients on a 1.5 Tesla magnetic resonance-linac system using abdominal compression by Tyagi, Neelam, Liang, Jiayi, Burleson, Sarah, Subashi, Ergys, Godoy Scripes, Paola, Tringale, Kathryn R., Romesser, Paul B., Reyngold, Marsha, Crane, Christopher H.

“…Stereotactic body radiation therapy delivered using MR-guided radiotherapy (MRgRT) and automatic breathold gating has shown to improve overall survival for…”
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Machine learning applications in radiation oncology by Field, Matthew, Hardcastle, Nicholas, Jameson, Michael, Aherne, Noel, Holloway, Lois

“…Machine learning technology has a growing impact on radiation oncology with an increasing presence in research and industry. The prevalence of diverse data…”
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Delivered dose quantification in prostate radiotherapy using online 3D cine imaging and treatment log files on a combined 1.5T magnetic resonance imaging and linear accelerator system by Kontaxis, Charis, de Muinck Keizer, Daan M., Kerkmeijer, Linda G.W., Willigenburg, Thomas, den Hartogh, Mariska D., van der Voort van Zyp, Jochem R.N., de Groot-van Breugel, Eline N., Hes, Jochem, Raaymakers, Bas W., Lagendijk, Jan J.W., de Boer, Hans C.J.

“…•First delivered dose reconstruction based on six degrees of freedom motion from online 3D cine-MR imaging and treatment log files.•For most fractions no…”
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Delivery of magnetic resonance-guided single-fraction stereotactic lung radiotherapy by Finazzi, Tobias, van Sörnsen de Koste, John R., Palacios, Miguel A., Spoelstra, Femke O.B., Slotman, Berend J., Haasbeek, Cornelis J.A., Senan, Suresh

“…•MR-guidance enables high precision single-fraction lung SABR delivery.•Breath-hold gating resulted in a mean tracked GTVt coverage of 99.6% during…”
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Cone-beam computed tomography-guided online adaptive radiotherapy is feasible for prostate cancer patients by Zwart, Lisanne G.M., Ong, Francisca, ten Asbroek, Liselotte A., van Dieren, Erik B., Koch, Siete A., Bhawanie, Anand, de Wit, Elisabeth, Dasselaar, Judith J.

“…•Online adaptive radiotherapy (oART) is achievable within twenty minutes.•Cone-beam computed tomography-guided oART is feasible in daily clinical practice.•The…”
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Machine learning applications in radiation oncology: Current use and needs to support clinical implementation by Brouwer, Charlotte L., Dinkla, Anna M., Vandewinckele, Liesbeth, Crijns, Wouter, Claessens, Michaël, Verellen, Dirk, van Elmpt, Wouter

“…The use of artificial intelligence (AI)/ machine learning (ML) applications in radiation oncology is emerging, however no clear guidelines on commissioning of…”
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External validation of deep learning-based contouring of head and neck organs at risk by Brunenberg, Ellen J.L., Steinseifer, Isabell K., van den Bosch, Sven, Kaanders, Johannes H.A.M., Brouwer, Charlotte L., Gooding, Mark J., van Elmpt, Wouter, Monshouwer, René

“…Head and neck (HN) radiotherapy can benefit from automatic delineation of tumor and surrounding organs because of the complex anatomy and the regular need for…”
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Inter-centre variability of CT-based stopping-power prediction in particle therapy: Survey-based evaluation by Taasti, Vicki T., Bäumer, Christian, Dahlgren, Christina V., Deisher, Amanda J., Ellerbrock, Malte, Free, Jeffrey, Gora, Joanna, Kozera, Anna, Lomax, Antony J., De Marzi, Ludovic, Molinelli, Silvia, Kevin Teo, Boon-Keng, Wohlfahrt, Patrick, Petersen, Jørgen B.B., Muren, Ludvig P., Hansen, David C., Richter, Christian

“…Stopping-power ratios (SPRs) are used in particle therapy to calculate particle range in patients. The heuristic CT-to-SPR conversion (Hounsfield…”
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A survey of practice patterns for adaptive particle therapy for interfractional changes by Trnkova, Petra, Zhang, Ye, Toshito, Toshiyuki, Heijmen, Ben, Richter, Christian, Aznar, Marianne C., Albertini, Francesca, Bolsi, Alessandra, Daartz, Juliane, Knopf, Antje C., Bertholet, Jenny

“…•84% of particle therapy centres adapt plans for inter-fractional changes.•All users of adaptive particle therapy except two perform offline plan…”
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Clinical evaluation of synthetic computed tomography methods in adaptive proton therapy of lung cancer patients by Taasti, Vicki Trier, Hattu, Djoya, Peeters, Stephanie, van der Salm, Anke, van Loon, Judith, de Ruysscher, Dirk, Nilsson, Rasmus, Andersson, Sebastian, Engwall, Erik, Unipan, Mirko, Canters, Richard

“…•Use of synthetic CTs for adaptive proton therapy of lung cancer patients.•42 patients included, both with and without anatomical changes.•Evaluation of…”
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A survey of practice patterns for real-time intrafractional motion-management in particle therapy by Zhang, Ye, Trnkova, Petra, Toshito, Toshiyuki, Heijmen, Ben, Richter, Christian, Aznar, Marianne, Albertini, Francesca, Bolsi, Alexandra, Daartz, Juliane, Bertholet, Jenny, Knopf, Antje

“…Organ motion compromises accurate particle therapy delivery. This study reports on the practice patterns for real-time intrafractional motion-management in…”
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Inter- and intrafraction motion assessment and accumulated dose quantification of upper gastrointestinal organs during magnetic resonance-guided ablative radiation therapy of pancreas patients by Alam, Sadegh, Veeraraghavan, Harini, Tringale, Kathryn, Amoateng, Emmanuel, Subashi, Ergys, Wu, Abraham J., Crane, Christopher H., Tyagi, Neelam

“…Stereotactic body radiation therapy (SBRT) of locally advanced pancreatic cancer (LAPC) is challenging due to significant motion of gastrointestinal (GI)…”
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