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Simopoulou F, Kyrgias G, Georgakopoulos I, Avgousti R, Armpilia C, Skarlos P, Softa V, Theodorou K, Kouloulias V, Zygogianni A. Does adaptive radiotherapy for head and neck cancer favorably impact dosimetric, clinical, and toxicity outcomes?: A review. Medicine (Baltimore) 2024; 103:e38529. [PMID: 38941415 DOI: 10.1097/md.0000000000038529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/30/2024] Open
Abstract
PURPOSE The current review aims to summarize the international experience of the impact of adaptive radiotherapy on dosimetry and clinical and toxicity outcomes. Additionally, it might trigger Radiation Oncologists to use ART and evaluate whether ART improves target volume coverage and/or normal tissue sparing and, consequently, therapeutic results. MATERIALS AND METHODS We conducted an electronic literature search of PubMed/MEDLINE and ScienceDirect from January 2007 to January 2023. The search adhered to the PRISMA guidelines and employed keywords such as ART, HNC, parotid gland, and target volume. Furthermore, we examined the reference lists for studies pertinent to the present review. This study included both retrospective and prospective studies that were considered for inclusion. CONCLUSION ART replanning appears to be a sustainable strategy to minimize toxicity by improving normal tissue sparing. Furthermore, it can enhance target volume coverage by correctly determining the specific dose to be delivered to the tumor. In conclusion, this review confirmed that ART benefits dosimetric, clinical/therapeutic, and toxicity outcomes.
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Affiliation(s)
- Foteini Simopoulou
- Radiation Oncology Unit, 1st Department of Radiology, Aretaieion University Hospital, Medical School, National and Kapodistrian University of Athens (NKUOA), Athens, Greece
| | - George Kyrgias
- Radiation Oncology Department, University Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Ioannis Georgakopoulos
- Radiation Oncology Unit, 1st Department of Radiology, Aretaieion University Hospital, Medical School, National and Kapodistrian University of Athens (NKUOA), Athens, Greece
| | - Rafaela Avgousti
- Radiation Oncology Unit, 1st Department of Radiology, Aretaieion University Hospital, Medical School, National and Kapodistrian University of Athens (NKUOA), Athens, Greece
| | - Christina Armpilia
- Radiation Oncology Unit, 1st Department of Radiology, Aretaieion University Hospital, Medical School, National and Kapodistrian University of Athens (NKUOA), Athens, Greece
| | - Pantelis Skarlos
- Radiation Oncology Department, Metropolitan Hospital, Piraeus, Greece
| | - Vasiliki Softa
- Medical Physics Department, University Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Kiki Theodorou
- Medical Physics Department, University Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Vassilis Kouloulias
- Radiation Oncology Unit, 2nd Department of Radiology, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens (NKUOA), Athens, Greece
| | - Anna Zygogianni
- Radiation Oncology Unit, 1st Department of Radiology, Aretaieion University Hospital, Medical School, National and Kapodistrian University of Athens (NKUOA), Athens, Greece
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Wang D, Geng H, Gondi V, Lee NY, Tsien CI, Xia P, Chenevert TL, Michalski JM, Gilbert MR, Le QT, Omuro AM, Men K, Aldape KD, Cao Y, Srinivasan A, Barani IJ, Sachdev S, Huang J, Choi S, Shi W, Battiste JD, Wardak Z, Chan MD, Mehta MP, Xiao Y. Radiotherapy Plan Quality Assurance in NRG Oncology Trials for Brain and Head/Neck Cancers: An AI-Enhanced Knowledge-Based Approach. Cancers (Basel) 2024; 16:2007. [PMID: 38893130 PMCID: PMC11171017 DOI: 10.3390/cancers16112007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/15/2024] [Accepted: 05/19/2024] [Indexed: 06/21/2024] Open
Abstract
The quality of radiation therapy (RT) treatment plans directly affects the outcomes of clinical trials. KBP solutions have been utilized in RT plan quality assurance (QA). In this study, we evaluated the quality of RT plans for brain and head/neck cancers enrolled in multi-institutional clinical trials utilizing a KBP approach. The evaluation was conducted on 203 glioblastoma (GBM) patients enrolled in NRG-BN001 and 70 nasopharyngeal carcinoma (NPC) patients enrolled in NRG-HN001. For each trial, fifty high-quality photon plans were utilized to build a KBP photon model. A KBP proton model was generated using intensity-modulated proton therapy (IMPT) plans generated on 50 patients originally treated with photon RT. These models were then applied to generate KBP plans for the remaining patients, which were compared against the submitted plans for quality evaluation, including in terms of protocol compliance, target coverage, and organ-at-risk (OAR) doses. RT plans generated by the KBP models were demonstrated to have superior quality compared to the submitted plans. KBP IMPT plans can decrease the variation of proton plan quality and could possibly be used as a tool for developing improved plans in the future. Additionally, the KBP tool proved to be an effective instrument for RT plan QA in multi-center clinical trials.
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Affiliation(s)
- Du Wang
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA (Y.X.)
| | - Huaizhi Geng
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA (Y.X.)
| | - Vinai Gondi
- Northwestern Medicine Cancer Center Warrenville, Warrenville, IL 60555, USA
| | - Nancy Y. Lee
- Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | | | - Ping Xia
- Cleveland Clinic Foundation, Cleveland, OH 44195, USA
| | - Thomas L. Chenevert
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA; (T.L.C.)
| | - Jeff M. Michalski
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | | | - Quynh-Thu Le
- Stanford Cancer Institute, Stanford, CA 94305, USA; (Q.-T.L.)
| | | | - Kuo Men
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA (Y.X.)
| | | | - Yue Cao
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA; (T.L.C.)
| | - Ashok Srinivasan
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA; (T.L.C.)
| | - Igor J. Barani
- Saint Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA
| | - Sean Sachdev
- Northwestern Medicine Cancer Center Warrenville, Warrenville, IL 60555, USA
| | - Jiayi Huang
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Serah Choi
- UPMC-Shadyside Hospital, Case Western Reserve University, Pittsburgh, PA 15232, USA
| | - Wenyin Shi
- Department of Radiation Oncology, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA
| | - James D. Battiste
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Zabi Wardak
- UT Southwestern, Simmons Cancer Center, Dallas, TX 75235, USA
| | - Michael D. Chan
- Baptist Comprehensive Cancer Center, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA
| | | | - Ying Xiao
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA 19104, USA (Y.X.)
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Chen M, Wang K, Dohopolski M, Morgan H, Sher D, Wang J. TransAnaNet: Transformer-based Anatomy Change Prediction Network for Head and Neck Cancer Patient Radiotherapy. ARXIV 2024:arXiv:2405.05674v2. [PMID: 38764596 PMCID: PMC11100917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Background Adaptive radiotherapy (ART) can compensate for the dosimetric impact of anatomic change during radiotherapy of head neck cancer (HNC) patients. However, implementing ART universally poses challenges in clinical workflow and resource allocation, given the variability in patient response and the constraints of available resources. Therefore, early identification of head and neck cancer (HNC) patients who would experience significant anatomical change during radiotherapy (RT) is of importance to optimize patient clinical benefit and treatment resources. Purpose The purpose of this study is to assess the feasibility of using a vision-transformer (ViT) based neural network to predict radiotherapy induced anatomic change of HNC patients. Methods We retrospectively included 121 HNC patients treated with definitive RT/CRT. We collected the planning CT (pCT), planned dose, CBCTs acquired at the initial treatment (CBCT01) and fraction 21 (CBCT21), and primary tumor volume (GTVp) and involved nodal volume (GTVn) delineated on both pCT and CBCTs for model construction and evaluation. A UNet-style ViT network was designed to learn the spatial correspondence and contextual information from embedded image patches of CT, dose, CBCT01, GTVp, and GTVn. The deformation vector field between CBCT01 and CBCT21 was estimated by the model as the prediction of anatomic change, and deformed CBCT01 was used as the prediction of CBCT21. We also generated binary masks of GTVp, GTVn and patient body for volumetric change evaluation. We used data from 100 patients for training and validation, and the remaining 21 patients for testing. Image and volumetric similarity metrics including mean square error (MSE), structural similarity index (SSIM), dice coefficient, and average surface distance were used to measure the similarity between the target image and predicted CBCT. Results The predicted image from the proposed method yielded the best similarity to the real image (CBCT21) over pCT, CBCT01, and predicted CBCTs from other comparison models. The average MSE and SSIM between the normalized predicted CBCT to CBCT21 are 0.009 and 0.933, while the average dice coefficient between body mask, GTVp mask, and GTVn mask are 0.972, 0.792, and 0.821 respectively. Conclusions The proposed method showed promising performance for predicting radiotherapy induced anatomic change, which has the potential to assist in the decision making of HNC Adaptive RT.
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Affiliation(s)
- Meixu Chen
- Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, 75235, USA
| | - Kai Wang
- Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, 75235, USA
- Department of Radiation Oncology, University of Maryland Medical Center, Baltimore, MD, 21201, USA
| | - Michael Dohopolski
- Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, 75235, USA
| | - Howard Morgan
- Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, 75235, USA
- Department of Radiation Oncology, Central Arkansas Radiation Therapy Institute, Little Rock, AR, 72205, USA
| | - David Sher
- Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, 75235, USA
| | - Jing Wang
- Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, 75235, USA
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Chinnery TA, Lang P, Nichols AC, Mattonen SA. Predicting the need for a replan in oropharyngeal cancer: A radiomic, clinical, and dosimetric model. Med Phys 2024; 51:3510-3520. [PMID: 38100260 DOI: 10.1002/mp.16893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/21/2023] [Accepted: 11/19/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Patients with oropharyngeal cancer (OPC) treated with chemoradiation can experience weight loss and tumor shrinkage, altering the prescribed treatment. Treatment replanning ensures patients do not receive excessive doses to normal tissue. However, it is a time- and resource-intensive process, as it takes 1 to 2 weeks to acquire a new treatment plan, and during this time, overtreatment of normal tissues could lead to increased toxicities. Currently, there are limited prognostic factors to determine which patients will require a replan. There remains an unmet need for predictive models to assist in identifying patients who could benefit from the knowledge of a replan prior to treatment. PURPOSE We aimed to develop and evaluate a CT-based radiomic model, integrating clinical and dosimetric information, to predict the need for a replan prior to treatment. METHODS A dataset of patients (n = 315) with OPC treated with chemoradiation was used for this study. The dataset was split into independent training (n = 220) and testing (n = 95) datasets. Tumor volumes and organs at risk (OARs) were contoured on planning CT images. PyRadiomics was used to compute radiomic image features (n = 1218) on the original and filtered images from each of the primary tumor, nodal volumes, and ipsilateral and contralateral parotid glands. Nine clinical features and nine dose features extracted from the OARs were collected and those significantly (p < 0.05) associated with the need for a replan in the training dataset were used in a baseline model. Random forest feature selection was applied to select the optimal radiomic features to predict replanning. Logistic regression, Naïve Bayes, support vector machine, and random forest classifiers were built using the non-correlated selected radiomic, clinical, and dose features on the training dataset and performance was assessed in the testing dataset. The area under the curve (AUC) was used to assess the prognostic value. RESULTS A total of 78 patients (25%) required a replan. Smoking status, nodal stage, base of tongue subsite, and larynx mean dose were found to be significantly associated with the need for a replan in the training dataset and incorporated into the baseline model, as well as into the combined models. Five predictive radiomic features were selected (one nodal volume, one primary tumor, two ipsilateral and one contralateral parotid gland). The baseline model comprised of clinical and dose features alone achieved an AUC of 0.66 [95% CI: 0.51-0.79] in the testing dataset. The random forest classifier was the top-performing radiomics model and achieved an AUC of 0.82 [0.75-0.89] in the training dataset and an AUC of 0.78 [0.68-0.87] in the testing dataset, which significantly outperformed the baseline model (p = 0.023, testing dataset). CONCLUSIONS This is the first study to use radiomics from the primary tumor, nodal volumes, and parotid glands for the prediction of replanning for patients with OPC. Radiomic features augmented clinical and dose features for predicting the need for a replan in our testing dataset. Once validated, this model has the potential to assist physicians in identifying patients that may benefit from a replan, allowing for better resource allocation and reduced toxicities.
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Affiliation(s)
- Tricia A Chinnery
- Department of Medical Biophysics, Western University, London, Ontario, Canada
- Baines Imaging Research Laboratory, London, Ontario, Canada
| | - Pencilla Lang
- Department of Oncology, Western University, London, Ontario, Canada
| | - Anthony C Nichols
- Department of Otolaryngology, Western University, London, Ontario, Canada
| | - Sarah A Mattonen
- Department of Medical Biophysics, Western University, London, Ontario, Canada
- Baines Imaging Research Laboratory, London, Ontario, Canada
- Department of Oncology, Western University, London, Ontario, Canada
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Gan Y, Langendijk JA, Oldehinkel E, Lin Z, Both S, Brouwer CL. Optimal timing of re-planning for head and neck adaptive radiotherapy. Radiother Oncol 2024; 194:110145. [PMID: 38341093 DOI: 10.1016/j.radonc.2024.110145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/31/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND AND PURPOSE Adaptive radiotherapy (ART) relies on re-planning to correct treatment variations, but the optimal timing of re-planning to account for dose changes in head and neck organs at risk (OARs) is still under investigation. We aimed to find out the optimal timing of re-planning in head and neck ART. MATERIALS AND METHODS A total of 110 head and neck cancer patients were retrospectively enrolled. A semi auto-segmentation method was applied to obtain the weekly mean dose (Dmean) to OARs. The K-nearest-neighbour method was used for missing data imputation of weekly Dmean. A dose deviation map was built using the planning Dmean and weekly Dmean values and then used to simulate different ART scenarios consisting of 1 to 6 re-plannings. The difference between accumulated Dmean and planning Dmean before re-planning (ΔDmean_acc_noART) and after re-planning (ΔDmean_acc_ART) were evaluated and compared. RESULTS Among all the OARs, supraglottic showed the largest ΔDmean_acc_noART (1.23 ± 3.13 Gy) and most cases of ΔDmean_acc_noART > 3 Gy (26 patients). The 3rd week is suggested in the optimal timing of re-planning for 10 OARs. For all the organs except arytenoid, 2 re-plannings were able to guarantee the ΔDmean_acc_ART below 3 Gy while the average |ΔDmean_acc_ART| was below 1 Gy. ART scenarios of 2_4, 3_4, 3_5 (week of re-planning separated with "_") were able to guarantee ΔDmean_acc_ART of 99 % of patients below 3 Gy simultaneously for 19 OARs. CONCLUSIONS The optimal timing of re-planning was suggested for different organs at risk in head and neck adaptive radiotherapy. Generic scenarios of timing and frequency for re-planning can be applied to guarantee the increase of accumulated mean dose within 3 Gy simultaneously for multiple organs.
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Affiliation(s)
- Yong Gan
- University of Groningen, University Medical Center Groningen, Department of Radiation Oncology, Groningen, the Netherlands; Shantou University, Cancer Hospital of Shantou University Medical College, Department of Radiotherapy, China.
| | - Johannes A Langendijk
- University of Groningen, University Medical Center Groningen, Department of Radiation Oncology, Groningen, the Netherlands
| | - Edwin Oldehinkel
- University of Groningen, University Medical Center Groningen, Department of Radiation Oncology, Groningen, the Netherlands
| | - Zhixiong Lin
- Shantou University, Cancer Hospital of Shantou University Medical College, Department of Radiotherapy, China
| | - Stefan Both
- University of Groningen, University Medical Center Groningen, Department of Radiation Oncology, Groningen, the Netherlands
| | - Charlotte L Brouwer
- University of Groningen, University Medical Center Groningen, Department of Radiation Oncology, Groningen, the Netherlands
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Kakkos I, Vagenas TP, Zygogianni A, Matsopoulos GK. Towards Automation in Radiotherapy Planning: A Deep Learning Approach for the Delineation of Parotid Glands in Head and Neck Cancer. Bioengineering (Basel) 2024; 11:214. [PMID: 38534488 DOI: 10.3390/bioengineering11030214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/28/2024] Open
Abstract
The delineation of parotid glands in head and neck (HN) carcinoma is critical to assess radiotherapy (RT) planning. Segmentation processes ensure precise target position and treatment precision, facilitate monitoring of anatomical changes, enable plan adaptation, and enhance overall patient safety. In this context, artificial intelligence (AI) and deep learning (DL) have proven exceedingly effective in precisely outlining tumor tissues and, by extension, the organs at risk. This paper introduces a DL framework using the AttentionUNet neural network for automatic parotid gland segmentation in HN cancer. Extensive evaluation of the model is performed in two public and one private dataset, while segmentation accuracy is compared with other state-of-the-art DL segmentation schemas. To assess replanning necessity during treatment, an additional registration method is implemented on the segmentation output, aligning images of different modalities (Computed Tomography (CT) and Cone Beam CT (CBCT)). AttentionUNet outperforms similar DL methods (Dice Similarity Coefficient: 82.65% ± 1.03, Hausdorff Distance: 6.24 mm ± 2.47), confirming its effectiveness. Moreover, the subsequent registration procedure displays increased similarity, providing insights into the effects of RT procedures for treatment planning adaptations. The implementation of the proposed methods indicates the effectiveness of DL not only for automatic delineation of the anatomical structures, but also for the provision of information for adaptive RT support.
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Affiliation(s)
- Ioannis Kakkos
- Biomedical Engineering Laboratory, National Technical University of Athens, 15773 Athens, Greece
| | - Theodoros P Vagenas
- Biomedical Engineering Laboratory, National Technical University of Athens, 15773 Athens, Greece
| | - Anna Zygogianni
- Radiation Oncology Unit, 1st Department of Radiology, ARETAIEION University Hospital, 11528 Athens, Greece
| | - George K Matsopoulos
- Biomedical Engineering Laboratory, National Technical University of Athens, 15773 Athens, Greece
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Kuan EC, Wang EW, Adappa ND, Beswick DM, London NR, Su SY, Wang MB, Abuzeid WM, Alexiev B, Alt JA, Antognoni P, Alonso-Basanta M, Batra PS, Bhayani M, Bell D, Bernal-Sprekelsen M, Betz CS, Blay JY, Bleier BS, Bonilla-Velez J, Callejas C, Carrau RL, Casiano RR, Castelnuovo P, Chandra RK, Chatzinakis V, Chen SB, Chiu AG, Choby G, Chowdhury NI, Citardi MJ, Cohen MA, Dagan R, Dalfino G, Dallan I, Dassi CS, de Almeida J, Dei Tos AP, DelGaudio JM, Ebert CS, El-Sayed IH, Eloy JA, Evans JJ, Fang CH, Farrell NF, Ferrari M, Fischbein N, Folbe A, Fokkens WJ, Fox MG, Lund VJ, Gallia GL, Gardner PA, Geltzeiler M, Georgalas C, Getz AE, Govindaraj S, Gray ST, Grayson JW, Gross BA, Grube JG, Guo R, Ha PK, Halderman AA, Hanna EY, Harvey RJ, Hernandez SC, Holtzman AL, Hopkins C, Huang Z, Huang Z, Humphreys IM, Hwang PH, Iloreta AM, Ishii M, Ivan ME, Jafari A, Kennedy DW, Khan M, Kimple AJ, Kingdom TT, Knisely A, Kuo YJ, Lal D, Lamarre ED, Lan MY, Le H, Lechner M, Lee NY, Lee JK, Lee VH, Levine CG, Lin JC, Lin DT, Lobo BC, Locke T, Luong AU, Magliocca KR, Markovic SN, Matnjani G, McKean EL, Meço C, Mendenhall WM, Michel L, Na'ara S, Nicolai P, Nuss DW, Nyquist GG, Oakley GM, Omura K, Orlandi RR, Otori N, Papagiannopoulos P, Patel ZM, Pfister DG, Phan J, Psaltis AJ, Rabinowitz MR, Ramanathan M, Rimmer R, Rosen MR, Sanusi O, Sargi ZB, Schafhausen P, Schlosser RJ, Sedaghat AR, Senior BA, Shrivastava R, Sindwani R, Smith TL, Smith KA, Snyderman CH, Solares CA, Sreenath SB, Stamm A, Stölzel K, Sumer B, Surda P, Tajudeen BA, Thompson LDR, Thorp BD, Tong CCL, Tsang RK, Turner JH, Turri-Zanoni M, Udager AM, van Zele T, VanKoevering K, Welch KC, Wise SK, Witterick IJ, Won TB, Wong SN, Woodworth BA, Wormald PJ, Yao WC, Yeh CF, Zhou B, Palmer JN. International Consensus Statement on Allergy and Rhinology: Sinonasal Tumors. Int Forum Allergy Rhinol 2024; 14:149-608. [PMID: 37658764 DOI: 10.1002/alr.23262] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023]
Abstract
BACKGROUND Sinonasal neoplasms, whether benign and malignant, pose a significant challenge to clinicians and represent a model area for multidisciplinary collaboration in order to optimize patient care. The International Consensus Statement on Allergy and Rhinology: Sinonasal Tumors (ICSNT) aims to summarize the best available evidence and presents 48 thematic and histopathology-based topics spanning the field. METHODS In accordance with prior International Consensus Statement on Allergy and Rhinology documents, ICSNT assigned each topic as an Evidence-Based Review with Recommendations, Evidence-Based Review, and Literature Review based on the level of evidence. An international group of multidisciplinary author teams were assembled for the topic reviews using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses format, and completed sections underwent a thorough and iterative consensus-building process. The final document underwent rigorous synthesis and review prior to publication. RESULTS The ICSNT document consists of four major sections: general principles, benign neoplasms and lesions, malignant neoplasms, and quality of life and surveillance. It covers 48 conceptual and/or histopathology-based topics relevant to sinonasal neoplasms and masses. Topics with a high level of evidence provided specific recommendations, while other areas summarized the current state of evidence. A final section highlights research opportunities and future directions, contributing to advancing knowledge and community intervention. CONCLUSION As an embodiment of the multidisciplinary and collaborative model of care in sinonasal neoplasms and masses, ICSNT was designed as a comprehensive, international, and multidisciplinary collaborative endeavor. Its primary objective is to summarize the existing evidence in the field of sinonasal neoplasms and masses.
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Affiliation(s)
- Edward C Kuan
- Departments of Otolaryngology-Head and Neck Surgery and Neurological Surgery, University of California, Irvine, Orange, California, USA
| | - Eric W Wang
- Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Nithin D Adappa
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Daniel M Beswick
- Department of Otolaryngology-Head and Neck Surgery, University of California Los Angeles, Los Angeles, California, USA
| | - Nyall R London
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Sinonasal and Skull Base Tumor Program, Surgical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Shirley Y Su
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Marilene B Wang
- Department of Otolaryngology-Head and Neck Surgery, University of California Los Angeles, Los Angeles, California, USA
| | - Waleed M Abuzeid
- Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, USA
| | - Borislav Alexiev
- Department of Pathology, Northwestern University Feinberg School of Medicine, Northwestern Memorial Hospital, Chicago, Illinois, USA
| | - Jeremiah A Alt
- Department of Otolaryngology-Head and Neck Surgery, University of Utah, Salt Lake City, Utah, USA
| | - Paolo Antognoni
- Division of Radiation Oncology, University of Insubria, ASST Sette Laghi Hospital, Varese, Italy
| | - Michelle Alonso-Basanta
- Department of Radiation Oncology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Pete S Batra
- Department of Otorhinolaryngology-Head and Neck Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Mihir Bhayani
- Department of Otorhinolaryngology-Head and Neck Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Diana Bell
- Department of Pathology, City of Hope Comprehensive Cancer Center, Duarte, California, USA
| | - Manuel Bernal-Sprekelsen
- Otorhinolaryngology Department, Surgery and Medical-Surgical Specialties Department, Faculty of Medicine and Health Sciences, Universitat de Barcelona, Barcelona, Spain
| | - Christian S Betz
- Department of Otorhinolaryngology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jean-Yves Blay
- Department of Medical Oncology, Centre Léon Bérard, UNICANCER, Université Claude Bernard Lyon I, Lyon, France
| | - Benjamin S Bleier
- Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Juliana Bonilla-Velez
- Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, USA
| | - Claudio Callejas
- Department of Otolaryngology, Pontificia Universidad Católica de Chile, Santiago, Chile
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University, Columbus, Ohio, USA
| | - Ricardo L Carrau
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University, Columbus, Ohio, USA
| | - Roy R Casiano
- Department of Otolaryngology-Head and Neck Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Paolo Castelnuovo
- Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, University of Insubria, ASST Sette Laghi Hospital, Varese, Italy
| | - Rakesh K Chandra
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | | | - Simon B Chen
- Department of Pathology, Stanford University, Stanford, California, USA
| | - Alexander G Chiu
- Department of Otolaryngology-Head and Neck Surgery, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Garret Choby
- Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Naweed I Chowdhury
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Martin J Citardi
- Department of Otorhinolaryngology-Head & Neck Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Marc A Cohen
- Department of Surgery, Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Roi Dagan
- Department of Radiation Oncology, University of Florida College of Medicine, Jacksonville, Florida, USA
| | - Gianluca Dalfino
- Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, University of Insubria, ASST Sette Laghi Hospital, Varese, Italy
| | - Iacopo Dallan
- Department of Otolaryngology-Head and Neck Surgery, Pisa University Hospital, Pisa, Italy
| | | | - John de Almeida
- Department of Otolaryngology-Head and Neck Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Angelo P Dei Tos
- Section of Pathology, Department of Medicine, University of Padua, Padua, Italy
| | - John M DelGaudio
- Department of Otolaryngology-Head and Neck Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Charles S Ebert
- Department of Otolaryngology-Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Ivan H El-Sayed
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Francisco, California, USA
| | - Jean Anderson Eloy
- Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - James J Evans
- Department of Neurological Surgery and Otolaryngology-Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Christina H Fang
- Department of Otorhinolaryngology-Head and Neck Surgery, Montefiore Medical Center, The University Hospital for Albert Einstein College of Medicine, Bronx, New York, USA
| | - Nyssa F Farrell
- Department of Otolaryngology-Head and Neck Surgery, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Marco Ferrari
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
| | - Nancy Fischbein
- Department of Radiology, Stanford University, Stanford, California, USA
| | - Adam Folbe
- Department of Otolaryngology-Head and Neck Surgery, Oakland University William Beaumont School of Medicine, Royal Oak, Michigan, USA
| | - Wytske J Fokkens
- Department of Otorhinolaryngology, Amsterdam UMC, Amsterdam, The Netherlands
| | - Meha G Fox
- Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, Houston, Texas, USA
| | | | - Gary L Gallia
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Paul A Gardner
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Mathew Geltzeiler
- Department of Otolaryngology-Head and Neck Surgery, Oregon Health and Science University, Portland, Oregon, USA
| | - Christos Georgalas
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Nicosia Medical School, Nicosia, Cyprus
| | - Anne E Getz
- Department of Otolaryngology-Head and Neck Surgery, University of Colorado, Aurora, Colorado, USA
| | - Satish Govindaraj
- Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Stacey T Gray
- Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA
| | - Jessica W Grayson
- Department of Otolaryngology-Head and Neck Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Bradley A Gross
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Jordon G Grube
- Department of Otolaryngology-Head and Neck Surgery, Albany Medical Center, Albany, New York, USA
| | - Ruifeng Guo
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Patrick K Ha
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Francisco, California, USA
| | - Ashleigh A Halderman
- Department of Otolaryngology-Head and Neck Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Ehab Y Hanna
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Richard J Harvey
- Rhinology and Skull Base Research Group, Applied Medical Research Centre, University of South Wales, Sydney, New South Wales, Australia
| | - Stephen C Hernandez
- Department of Otolaryngology-Head and Neck Surgery, LSU Health Sciences Center, New Orleans, Louisiana, USA
| | - Adam L Holtzman
- Department of Radiation Oncology, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Claire Hopkins
- Department of Otolaryngology-Head and Neck Surgery, Guys and St Thomas' Hospital, London, UK
| | - Zhigang Huang
- Department of Otolaryngology-Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Key Laboratory of Otolaryngology-Head and Neck Surgery, Ministry of Education, Beijing, China
| | - Zhenxiao Huang
- Department of Otolaryngology-Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Key Laboratory of Otolaryngology-Head and Neck Surgery, Ministry of Education, Beijing, China
| | - Ian M Humphreys
- Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, USA
| | - Peter H Hwang
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, California, USA
| | - Alfred M Iloreta
- Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Masaru Ishii
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Michael E Ivan
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Aria Jafari
- Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, USA
| | - David W Kennedy
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mohemmed Khan
- Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Adam J Kimple
- Department of Otolaryngology-Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Todd T Kingdom
- Department of Otolaryngology-Head and Neck Surgery, University of Colorado, Aurora, Colorado, USA
| | - Anna Knisely
- Department of Otolaryngology, Head and Neck Surgery, Swedish Medical Center, Seattle, Washington, USA
| | - Ying-Ju Kuo
- Department of Pathology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Devyani Lal
- Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Eric D Lamarre
- Head and Neck Institute, Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ming-Ying Lan
- Department of Otorhinolaryngology-Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hien Le
- Department of Radiation Oncology, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Matt Lechner
- UCL Division of Surgery and Interventional Science and UCL Cancer Institute, University College London, London, UK
| | - Nancy Y Lee
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jivianne K Lee
- Department of Head and Neck Surgery, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, California, USA
| | - Victor H Lee
- Department of Clinical Oncology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Corinna G Levine
- Department of Otolaryngology-Head and Neck Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Jin-Ching Lin
- Department of Radiation Oncology, Changhua Christian Hospital, Changhua, Taiwan
| | - Derrick T Lin
- Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA
| | - Brian C Lobo
- Department of Otolaryngology-Head and Neck Surgery, University of Florida, Gainesville, Florida, USA
| | - Tran Locke
- Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - Amber U Luong
- Department of Otorhinolaryngology-Head & Neck Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Kelly R Magliocca
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Svetomir N Markovic
- Division of Medical Oncology, Department of Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Gesa Matnjani
- Department of Radiation Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Erin L McKean
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Cem Meço
- Department of Otorhinolaryngology, Head and Neck Surgery, Ankara University Medical School, Ankara, Turkey
- Department of Otorhinolaryngology Head and Neck Surgery, Salzburg Paracelsus Medical University, Salzburg, Austria
| | - William M Mendenhall
- Department of Radiation Oncology, University of Florida College of Medicine, Jacksonville, Florida, USA
| | - Loren Michel
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Shorook Na'ara
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Francisco, California, USA
| | - Piero Nicolai
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
| | - Daniel W Nuss
- Department of Otolaryngology-Head and Neck Surgery, LSU Health Sciences Center, New Orleans, Louisiana, USA
| | - Gurston G Nyquist
- Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Gretchen M Oakley
- Department of Otolaryngology-Head and Neck Surgery, University of Utah, Salt Lake City, Utah, USA
| | - Kazuhiro Omura
- Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan
| | - Richard R Orlandi
- Department of Otolaryngology-Head and Neck Surgery, University of Utah, Salt Lake City, Utah, USA
| | - Nobuyoshi Otori
- Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan
| | - Peter Papagiannopoulos
- Department of Otorhinolaryngology-Head and Neck Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Zara M Patel
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, California, USA
| | - David G Pfister
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jack Phan
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Alkis J Psaltis
- Department of Otolaryngology-Head and Neck Surgery, Queen Elizabeth Hospital, Adelaide, South Australia, Australia
| | - Mindy R Rabinowitz
- Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Murugappan Ramanathan
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ryan Rimmer
- Department of Otolaryngology-Head and Neck Surgery, Yale University, New Haven, Connecticut, USA
| | - Marc R Rosen
- Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Olabisi Sanusi
- Department of Neurosurgery, Oregon Health and Science University, Portland, Oregon, USA
| | - Zoukaa B Sargi
- Department of Otolaryngology-Head and Neck Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Philippe Schafhausen
- Department of Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Rodney J Schlosser
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Ahmad R Sedaghat
- Department of Otolaryngology-Head and Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Brent A Senior
- Department of Otolaryngology-Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Raj Shrivastava
- Department of Neurosurgery and Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Raj Sindwani
- Head and Neck Institute, Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, Cleveland, Ohio, USA
| | - Timothy L Smith
- Department of Otolaryngology-Head and Neck Surgery, Oregon Health and Science University, Portland, Oregon, USA
| | - Kristine A Smith
- Department of Otolaryngology-Head and Neck Surgery, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Carl H Snyderman
- Departments of Otolaryngology-Head and Neck Surgery and Neurological Surgery, University of California, Irvine, Orange, California, USA
| | - C Arturo Solares
- Department of Otolaryngology-Head and Neck Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Satyan B Sreenath
- Department of Otolaryngology-Head and Neck Surgery, Indiana University, Indianapolis, Indiana, USA
| | - Aldo Stamm
- São Paulo ENT Center (COF), Edmundo Vasconcelos Complex, São Paulo, Brazil
| | - Katharina Stölzel
- Department of Otorhinolaryngology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Baran Sumer
- Department of Otolaryngology-Head and Neck Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Pavol Surda
- Department of Otolaryngology-Head and Neck Surgery, Guys and St Thomas' Hospital, London, UK
| | - Bobby A Tajudeen
- Department of Otorhinolaryngology-Head and Neck Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | | | - Brian D Thorp
- Department of Otolaryngology-Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Charles C L Tong
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Raymond K Tsang
- Department of Otolaryngology-Head and Neck Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Justin H Turner
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Mario Turri-Zanoni
- Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, University of Insubria, ASST Sette Laghi Hospital, Varese, Italy
| | - Aaron M Udager
- Department of Pathology, Michigan Center for Translational Pathology, Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan, USA
| | - Thibaut van Zele
- Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
| | - Kyle VanKoevering
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University, Columbus, Ohio, USA
| | - Kevin C Welch
- Department of Otolaryngology-Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Sarah K Wise
- Department of Otolaryngology-Head and Neck Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ian J Witterick
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Tae-Bin Won
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, South Korea
| | - Stephanie N Wong
- Division of Otorhinolaryngology, Department of Surgery, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Bradford A Woodworth
- Department of Otolaryngology-Head and Neck Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Peter-John Wormald
- Department of Otolaryngology-Head and Neck Surgery, Queen Elizabeth Hospital, Adelaide, South Australia, Australia
| | - William C Yao
- Department of Otorhinolaryngology-Head & Neck Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Chien-Fu Yeh
- Department of Otorhinolaryngology-Head and Neck Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Bing Zhou
- Department of Otolaryngology-Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Key Laboratory of Otolaryngology-Head and Neck Surgery, Ministry of Education, Beijing, China
| | - James N Palmer
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Chen L, Platzer P, Reschl C, Schafasand M, Nachankar A, Lukas Hajdusich C, Kuess P, Stock M, Habraken S, Carlino A. Validation of a deep-learning segmentation model for adult and pediatric head and neck radiotherapy in different patient positions. Phys Imaging Radiat Oncol 2024; 29:100527. [PMID: 38222671 PMCID: PMC10787237 DOI: 10.1016/j.phro.2023.100527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 01/16/2024] Open
Abstract
Background and purpose Autocontouring for radiotherapy has the potential to significantly save time and reduce interobserver variability. We aimed to assess the performance of a commercial autocontouring model for head and neck (H&N) patients in eight orientations relevant to particle therapy with fixed beam lines, focusing on validation and implementation for routine clinical use. Materials and methods Autocontouring was performed on sixteen organs at risk (OARs) for 98 adult and pediatric patients with 137 H&N CT scans in eight orientations. A geometric comparison of the autocontours and manual segmentations was performed using the Hausdorff Distance 95th percentile, Dice Similarity Coefficient (DSC) and surface DSC and compared to interobserver variability where available. Additional qualitative scoring and dose-volume-histogram (DVH) parameters analyses were performed for twenty patients in two positions, consisting of scoring on a 0-3 scale based on clinical usability and comparing the mean (Dmean) and near-maximum (D2%) dose, respectively. Results For the geometric analysis, the model performance in head-first-supine straight and hyperextended orientations was in the same range as the interobserver variability. HD95, DSC and surface DSC was heterogeneous in other orientations. No significant geometric differences were found between pediatric and adult autocontours. The qualitative scoring yielded a median score of ≥ 2 for 13/16 OARs while 7/32 DVH parameters were significantly different. Conclusions For head-first-supine straight and hyperextended scans, we found that 13/16 OAR autocontours were suited for use in daily clinical practice and subsequently implemented. Further development is needed for other patient orientations before implementation.
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Affiliation(s)
- Linda Chen
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
- Erasmus MC Cancer Institute, University Medical Center, Department of Radiotherapy, Rotterdam, the Netherlands
- Delft University of Technology, Faculty of Mechanical, Maritime and Materials Engineering, Delft, the Netherlands
- Leiden University Medical Center, Faculty of Medicine, Leiden, the Netherlands
| | - Patricia Platzer
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
- Fachhochschule Wiener Neustadt, Department MedTech, Wiener Neustadt, Austria
| | - Christian Reschl
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
| | - Mansure Schafasand
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
- Medical University of Vienna, Department of Radiation Oncology, Vienna, Austria
- Karl Landsteiner University of Health Sciences, Department of Oncology, Krems an der Donau, Austria
| | - Ankita Nachankar
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
- ACMIT Gmbh, Department of Medicine, Wiener Neustadt, Austria
| | | | - Peter Kuess
- Medical University of Vienna, Department of Radiation Oncology, Vienna, Austria
| | - Markus Stock
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
- Karl Landsteiner University of Health Sciences, Department of Oncology, Krems an der Donau, Austria
| | - Steven Habraken
- Erasmus MC Cancer Institute, University Medical Center, Department of Radiotherapy, Rotterdam, the Netherlands
- Holland Proton Therapy Center, Department of Medical Physics & Informatics, Delft, the Netherlands
| | - Antonio Carlino
- MedAustron Ion Therapy Center, Department of Medical Physics, Wiener Neustadt, Austria
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All S, Zhong X, Choi B, Kim JS, Zhuang T, Avkshtol V, Sher D, Lin MH, Moon DH. In Silico Analysis of Adjuvant Head and Neck Online Adaptive Radiation Therapy. Adv Radiat Oncol 2024; 9:101319. [PMID: 38260220 PMCID: PMC10801641 DOI: 10.1016/j.adro.2023.101319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 07/13/2023] [Indexed: 01/24/2024] Open
Abstract
Purpose Recently developed online adaptive radiation therapy (OnART) systems enable frequent treatment plan adaptation, but data supporting a dosimetric benefit in postoperative head and neck radiation therapy (RT) are sparse. We performed an in silico dosimetric study to assess the potential benefits of a single versus weekly OnART in the treatment of patients with head and neck squamous cell carcinoma in the adjuvant setting. Methods and Materials Twelve patients receiving conventionally fractionated RT over 6 weeks and 12 patients receiving hypofractionated RT over 3 weeks on a clinical trial were analyzed. The OnART emulator was used to virtually adapt either once midtreatment or weekly based on the patient's routinely performed cone beam computed tomography. The planning target volume (PTV) coverage, dose heterogeneity, and cumulative dose to the organs at risk for these 2 adaptive approaches were compared with the nonadapted plan. Results In total, 13, 8, and 3 patients had oral cavity, oropharynx, and larynx primaries, respectively. In the conventionally fractionated RT cohort, weekly OnART led to a significant improvement in PTV V100% coverage (6.2%), hot spot (-1.2 Gy), and maximum cord dose (-3.1 Gy), whereas the mean ipsilateral parotid dose increased modestly (1.8 Gy) versus the nonadapted plan. When adapting once midtreatment, PTV coverage improved with a smaller magnitude (0.2%-2.5%), whereas dose increased to the ipsilateral parotid (1.0-1.1 Gy) and mandible (0.2-0.7 Gy). For the hypofractionated RT cohort, similar benefit was observed with weekly OnART, including significant improvement in PTV coverage, hot spot, and maximum cord dose, whereas no consistent dosimetric advantage was seen when adapting once midtreatment. Conclusions For head and neck squamous cell carcinoma adjuvant RT, there was a limited benefit of single OnART, but weekly adaptations meaningfully improved the dosimetric criteria, predominantly PTV coverage and dose heterogeneity. A prospective study is ongoing to determine the clinical benefit of OnART in this setting.
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Affiliation(s)
- Sean All
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Xinran Zhong
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Byongsu Choi
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, South Korea
| | - Jin Sung Kim
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, South Korea
| | - Tingliang Zhuang
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Vladimir Avkshtol
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - David Sher
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Mu-Han Lin
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Dominic H. Moon
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
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10
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Tardi D, Fitriandini A, Fauziah AR, Wibowo WE, Siswantining T, Pawiro SA. Analysis of dose distribution reproducibility based on a fluence map of in vivo transit dose using an electronic portal imaging device. Biomed Phys Eng Express 2023; 10:015013. [PMID: 38052064 DOI: 10.1088/2057-1976/ad124a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 12/05/2023] [Indexed: 12/07/2023]
Abstract
Morphological changes can affect distribution of dose in patients. Determination of the dose distribution changes for each fraction radiotherapy can be done by relativein vivodosimetry (IVD). This study analysed the distribution of doses per fraction based on the fluence map recorded by the electronic portal imaging device (EPID) of the patient's transit dose. This research examined cases involving the cervix, breast, and nasopharynx. Transit dose analysis was performed by calculating the gamma index (GI) with composite and field-by-field methods. The gamma passing rate (GPR) value was assessed for its correlation with the subject's body weight. In the case of the nasopharynx, breast, and cervix, the GPR value decreased as the fraction increased. In the case of the nasopharynx, the correlation between the GPR and fraction radiotherapy showed no difference when using either composite or field-by-field methods. However, in cases involving the cervix and breast, there was a difference in the correlation values between the composite and field-by-field methods, where the subject had a significant correlation (p< 0.05) when it was done using a field-by-field method. In addition, the nasopharynx had the highest number of subjects with significant correlation (p< 0.05) between GPR and body weight, followed by the cervix and breast. In the nasopharynx, breast, and cervix, the reproducibility of the dose distribution decreased. This decreased reproducibility was associated with changes in body weight.
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Affiliation(s)
- Didin Tardi
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, West Java, 16424, Indonesia
| | - Aninda Fitriandini
- Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia, Dr Cipto Mangunkusumo General Hospital, Jakarta, 10430, Indonesia
| | - Annisa Rahma Fauziah
- Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia, Dr Cipto Mangunkusumo General Hospital, Jakarta, 10430, Indonesia
| | - Wahyu Edy Wibowo
- Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia, Dr Cipto Mangunkusumo General Hospital, Jakarta, 10430, Indonesia
| | - Titin Siswantining
- Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, West Java, 16424, Indonesia
| | - Supriyanto Ardjo Pawiro
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, West Java, 16424, Indonesia
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11
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Rachi T, Ariji T, Takahashi S. Development of programs to predict the occurrence of mucositis from digital imaging and communications in medicine data by machine learning in head and neck volumetric modulated radiotherapy. J Appl Clin Med Phys 2023; 24:e14125. [PMID: 37602786 PMCID: PMC10691621 DOI: 10.1002/acm2.14125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 01/10/2023] [Accepted: 08/02/2023] [Indexed: 08/22/2023] Open
Abstract
Volumetric modulated arc therapy (VMAT) with cisplatin for head and neck cancer is often accompanied by symptoms of pharyngeal and oral mucositis. However, no standard medical program exists for the prevention and treatment of mucositis, and the mechanisms of mucositis have not yet been fully proven. Therefore, adaptive radiotherapy (ART), which is a re-planning process, is administered when severe mucositis develops during the treatment period. We extracted the treatment plans of patients who developed severe mucositis from DICOM data and used machine learning to determine its quantitative features. This study aimed to develop a machine learning program that can predict the development of mucositis requiring ART. This study included 61 patients who received concurrent chemotherapy and radiotherapy (RT). For each patient, the equivalent square field size of each segmental irradiation field used for VMAT, dose per segment (Gy), clinical target volume high, and mean dose of the oral cavity (Gy) were calculated. Furthermore, 671 five-dimensional lists were generated from the acquired data. Support vector machine (SVM) and K-nearest neighbor (KNN) were used for machine learning. For the accuracy score, the test size was varied from 10% to 90%, and the random number of data extracted in each test size was further varied from 1 to 100 to calculate a mean accuracy score. The mean accuracy scores of SVM and KNN were 0.981 ± 0.020 and 0.972 ± 0.033, respectively. The presence or absence of ART for mucositis was classified with high accuracy. The classification of the five-dimensional list was implemented with high accuracy, and a program was constructed to predict the onset of mucositis requiring ART before treatment began. This study suggests that it may support preventive measures against mucositis and the completion of RT without having to re-plan.
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Affiliation(s)
- Toshiya Rachi
- Department of Radiological TechnologyNational Cancer Center Hospital EastKashiwaJapan
| | - Takaki Ariji
- Department of Radiological TechnologyNational Cancer Center Hospital EastKashiwaJapan
| | - Shinichi Takahashi
- Department of Radiological TechnologyNational Cancer Center Hospital EastKashiwaJapan
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Yap LM, Jamalludin Z, Ng AH, Ung NM. A multi-center survey on adaptive radiation therapy for head and neck cancer in Malaysia. Phys Eng Sci Med 2023; 46:1331-1340. [PMID: 37470929 DOI: 10.1007/s13246-023-01303-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
The survey is to assess the current state of adaptive radiation therapy (ART) for head and neck (H&N) cases among radiotherapy centers in Malaysia and to identify any implementation limitations. An online questionnaire was sent to all radiotherapy centers in Malaysia. The 24-question questionnaire consists of general information about the center, ART practices, and limitations faced in implementing ART. 28 out of 36 radiotherapy centers responded, resulting in an overall response rate of 78%. About 52% of the responding centers rescanned and replanned less than 5% of their H&N patients. The majority (88.9%) of the respondents reported the use Cone Beam Computed Tomography alone or in combination with other modalities to trigger the ART process. The main reasons cited for adopting ART were weight loss, changes in the immobilization fitting, and anatomical variation. The adaptation process typically occurred during week 3 or week 4 of treatment. More than half of the respondents require three days or more from re-simulation to starting a new treatment plan. Both target and organ at risk delineation on new planning CT relied heavily on manual delineation by physicians and physicists, respectively. All centers perform patient-specific quality assurance for their new adaptive plans. Two main limitations in implementing ART are "limited financial resources or equipment" and "limitation on technical knowledge". There is a need for a common consensus to standardize the practice of ART and address these limitations to improve the implementation of ART in Malaysia.
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Affiliation(s)
- Lai Mun Yap
- Clinical Oncology Unit, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
- Department of Radiotherapy, Aurelius Hospital Nilai, 71800, Nilai, Malaysia
| | - Zulaikha Jamalludin
- Clinical Oncology Unit, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Aik Hao Ng
- Clinical Oncology Unit, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Ngie Min Ung
- Clinical Oncology Unit, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia.
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13
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Uh J, Jordan JA, Pappo AS, Krasin MJ, Hua C. Adaptive Proton Therapy for Pediatric Parameningeal Rhabdomyosarcoma: On-Treatment Anatomic Changes and Timing to Replanning. Clin Oncol (R Coll Radiol) 2023; 35:245-254. [PMID: 36764878 PMCID: PMC10783810 DOI: 10.1016/j.clon.2023.01.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/16/2022] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Abstract
PURPOSE To characterize on-treatment changes in GTV morphology in children with parameningeal rhabdomyosarcoma receiving upfront proton therapy with concurrent chemotherapy and thereby provide guidance on the timing of on-treatment imaging and adaptive replanning. METHODS AND MATERIALS GTV was delineated on 86 simulation and weekly MR images of 15 prospectively enrolled patients (aged 1-21 years). Temporal changes from baseline in volume and surface (95% Hausdorff distance) were analyzed in relation to the need for plan verification and the resultant doses with hypothetical no treatment adaptation. RESULTS The median time was 6 days from the initiation of chemotherapy to CT+MR simulation and 15 days from the simulation to the start of radiotherapy. All but 1 patient showed a continuous decrease in GTV (0.16-1.52%/day) after simulation. At 3 weeks from simulation, 10 of 15 patients exhibited a significant reduction in volume (median, 20%; range, 6-29%). Without replanning, these changes could lead to a reduction in CTV V95 by 7-14% (n = 2) and/or an increase in D0.01 cc/Dmean of adjacent organs at risk by 6-21% of the prescribed target dose (n = 7). Significant dosimetric consequences occurred in cases with (1) a considerable weight gain, (2) shrinkage of the skin surface, or (3) tumor regression in the oral or nasal cavity and sinus that altered air-tissue components in the beam path. The subsequent GTV and dosimetry after 3 weeks from simulation (4 weeks from chemotherapy initiation) demonstrated a relatively stable trend. CONCLUSIONS On-treatment imaging at 3 weeks after simulation is recommended, if the simulation is performed at 1 week after the initiation of chemotherapy, to detect significant anatomic changes that could result in >5% deviation from planned target coverage and/or organ doses in pediatric patients with parameningeal rhabdomyosarcoma receiving early proton therapy.
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Affiliation(s)
- J Uh
- Department of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
| | - J A Jordan
- College of Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, USA; Department of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - A S Pappo
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - M J Krasin
- Department of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - C Hua
- Department of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
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14
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Gupta T, Maheshwari G, Joshi K, Sawant P, Mishra A, Khairnar S, Patel P, Sinha S, Swain M, Budrukkar A, Ghosh-Laskar S, Agarwal JP. Image-guidance triggered adaptive radiation therapy in head and neck squamous cell carcinoma: single-institution experience and implications for clinical practice. J Med Imaging Radiat Sci 2023; 54:88-96. [PMID: 36517346 DOI: 10.1016/j.jmir.2022.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 12/15/2022]
Abstract
PURPOSE To report frequency and timing of adaptive radiotherapy (ART) and assess patient, disease, and treatment-related characteristics potentially triggering the need for such adaptive replanning in head and neck squamous cell carcinoma (HNSCC). METHODS Medical records of HNSCC patients treated with definitive intensity modulated radiation therapy (IMRT) with or without concurrent systemic chemotherapy were reviewed retrospectively to identify patients undergoing image-guidance triggered adaptive replanning. Clinico-demographic characteristics of patients undergoing ART were compared with patients treated without adaptation using the chi-square test. RESULTS Two hundred patients with squamous cell cancers of the oropharynx, larynx, or hypopharynx treated with definitive IMRT between 2014 to 2019 comprised the study cohort. Twenty-seven (13.5%) patients underwent adaptive replanning during treatment at a median of 17 fractions (inter-quartile range 14-24 fractions). There were no significant differences in the baseline patient (age, gender), disease (site of primary, staging/grouping), and treatment-related characteristics (dose-fractionation, chemotherapy usage) in patients undergoing ART compared to those treated without adaptation. Weight loss during IMRT emerged as a significant factor predicting the need for ART; patients having ≥10% weight loss from baseline were more likely to undergo treatment adaptation compared to patients with <10% weight loss (p = 0.0002). There was variable impact of ART on dose-volume statistics of organs-at-risk such parotid glands and spinal cord. CONCLUSION Image-guidance triggered ART for HNSCC is not associated with significant improvement in OAR dosimetry. However, weight loss during definitive IMRT can be a potentially useful trigger for identifying patients who are most likely to benefit from such adaptive replanning.
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Affiliation(s)
- Tejpal Gupta
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India.
| | - Guncha Maheshwari
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Kishore Joshi
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Priya Sawant
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Ajay Mishra
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Sunil Khairnar
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Prapti Patel
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Shwetabh Sinha
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Monali Swain
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Ashwini Budrukkar
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Sarbani Ghosh-Laskar
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Jai-Prakash Agarwal
- Department of 1Radiation Oncology and Medical Physics, ACTREC/TMH, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
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15
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Development of Machine-Learning Prediction Programs for Delivering Adaptive Radiation Therapy With Tumor Geometry and Body Shape Changes in Head and Neck Volumetric Modulated Arc Therapy. Adv Radiat Oncol 2023; 8:101172. [PMID: 36817412 PMCID: PMC9932315 DOI: 10.1016/j.adro.2023.101172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 12/27/2022] [Indexed: 01/13/2023] Open
Abstract
Purpose During radiation therapy for head and neck cancer using volumetric modulated arc therapy, excessive dosing or underdosing occurs as a result of the decrease in tumor volume and changes in body weight. Adaptive radiation therapy (ART) is performed when significant changes are observed; however, the decision to implement ART depends on the oncologist's subjective judgment. The purpose of this study was to present objective indicators for ART and develop a program to predict the need for ART. Methods and Materials The study included 47 patients in the non-ART group and 21 patients in the ART group with shape changes. Patients who received ART could not be covered with the prescribed radiation therapy dose due to shape changes. For each patient, 1112 6-dimensional lists were created, including the number of irradiations, amount of change in the clinical target volume (CTV), rate of change in CTV, mean oral cavity dose, age, and body mass index. Support vector machine and k-nearest neighbor were used for machine learning. The random number of test data to be extracted varied from 1 to 9, and a mean accuracy score was calculated. These programs could predict the need for ART if the accuracy score was high. Results The classification accuracy of the list, including the amount of change in the CTV and rate of change in CTV up to 20 fractions, was 0.963 and 0.967 for support vector machine and k-nearest neighbor, respectively. Conclusions This program predicted the need for ART with more than 90% accuracy based on shape changes over time in cone beam computed tomography analysis for up to 20 fractions. This may provide significant support for objective decisions to implement ART based on the amount of change over time during treatment.
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16
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Gul OV, Buyukcizmeci N, Basaran H. Dosimetric evaluation of three-phase adaptive radiation therapy in head and neck cancer. Radiat Phys Chem Oxf Engl 1993 2023. [DOI: 10.1016/j.radphyschem.2022.110588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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17
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Iliadou V, Kakkos I, Karaiskos P, Kouloulias V, Platoni K, Zygogianni A, Matsopoulos GK. Early Prediction of Planning Adaptation Requirement Indication Due to Volumetric Alterations in Head and Neck Cancer Radiotherapy: A Machine Learning Approach. Cancers (Basel) 2022; 14:cancers14153573. [PMID: 35892831 PMCID: PMC9331795 DOI: 10.3390/cancers14153573] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/14/2022] [Accepted: 07/20/2022] [Indexed: 11/16/2022] Open
Abstract
Background: During RT cycles, the tumor response pattern could affect tumor coverage and may lead to organs at risk of overdose. As such, early prediction of significant volumetric changes could therefore reduce potential radiation-related adverse effects. Nevertheless, effective machine learning approaches based on the radiomic features of the clinically used CBCT images to determine the tumor volume variations due to RT not having been implemented so far. Methods: CBCT images from 40 HN cancer patients were collected weekly during RT treatment. From the obtained images, the Clinical Target Volume (CTV) and Parotid Glands (PG) regions of interest were utilized to calculate 104 delta-radiomics features. These features were fed on a feature selection and classification procedure for the early prediction of significant volumetric alterations. Results: The proposed framework was able to achieve 0.90 classification performance accuracy while detecting a small subset of discriminative characteristics from the 1st week of RT. The selected features were further analyzed regarding their effects on temporal changes in anatomy and tumor response modeling. Conclusion: The use of machine learning algorithms offers promising perspectives for fast and reliable early prediction of large volumetric deviations as a result of RT treatment, exploiting hidden patterns in the overall anatomical characteristics.
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Affiliation(s)
- Vasiliki Iliadou
- School of Electrical and Computer Engineering, National Technical University of Athens, 157 73 Athens, Greece; (I.K.); (G.K.M.)
- Correspondence: ; Tel.: +30-21-0772-3577
| | - Ioannis Kakkos
- School of Electrical and Computer Engineering, National Technical University of Athens, 157 73 Athens, Greece; (I.K.); (G.K.M.)
- Department of Biomedical Engineering, University of West Attica, 122 43 Athens, Greece
| | - Pantelis Karaiskos
- Medical Physics Laboratory, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece;
| | - Vassilis Kouloulias
- 2nd Department of Radiology, Radiotherapy Unit, ATTIKON University Hospital, 124 62 Athens, Greece; (V.K.); (K.P.)
| | - Kalliopi Platoni
- 2nd Department of Radiology, Radiotherapy Unit, ATTIKON University Hospital, 124 62 Athens, Greece; (V.K.); (K.P.)
| | - Anna Zygogianni
- 1st Department of Radiology, Radiotherapy Unit, ARETAIEION University Hospital, 115 28 Athens, Greece;
| | - George K. Matsopoulos
- School of Electrical and Computer Engineering, National Technical University of Athens, 157 73 Athens, Greece; (I.K.); (G.K.M.)
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18
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Assessment of dose gradient index variation during simultaneously integrated boost intensity‐modulated radiation therapy for head and neck cancer patients. PRECISION RADIATION ONCOLOGY 2022. [DOI: 10.1002/pro6.1166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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19
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Argota-Perez R, Sharma MB, Elstrøm UV, Møller DS, Grau C, Jensen K, Holm AIS, Korreman SS. Dose and robustness comparison of nominal, daily and accumulated doses for photon and proton treatment of sinonasal cancer. Radiother Oncol 2022; 173:102-108. [PMID: 35667574 DOI: 10.1016/j.radonc.2022.05.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 05/30/2022] [Accepted: 05/31/2022] [Indexed: 11/16/2022]
Abstract
INTRODUCTION The aim was to evaluate and compare the dosimetric effect and robustness towards day-to-day anatomical and setup variations in the delivered dose for photon and proton treatments of sinonasal cancer (SNC) patients. MATERIALS AND METHODS Photon (VMAT) and proton (IMPT) plans were optimized retrospectively for 24 SNC patients. Synthetic CTs (synCT) were obtained by deforming the planning CT (pCT) to the anatomy of every daily cone-beam CT. Both VMAT and IMPT plans were recalculated on the synCTs. The recalculated daily dose was accumulated over the whole treatment on the pCT. Target coverage and dose to organs and risk (OARs) were evaluated for all patients for the nominal, daily and accumulated dose distribution. RESULTS In general, dose to OARs farther away from the target, including brain, chiasm and contralateral optic nerve, was lower for proton plans than photon plans. Whereas, OARs in proximity of the target received a lower dose for photon plans. For proton plans, the target coverage (volume of CTV receiving 95% of prescribed dose), V95%, fell below 99% for 9/24 patients in one or more fractions. For photon plans, 4/24 patients had one or more fractions where V95% fell below 99%. For accumulated doses, V95% was below 99% only in two cases, but above 98% for all patients. CONCLUSION Photon and proton treatment have different strengths regarding OAR sparing. The robustness was high for both treatment modalities. Patient selection for either proton or photon radiation therapy of SNC patients should be based on a case-by-case comparison.
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Affiliation(s)
- R Argota-Perez
- Department of Oncology, Aarhus University Hospital, Denmark
| | - M B Sharma
- Department of Oncology, Aarhus University Hospital, Denmark
| | - U V Elstrøm
- Danish Center for Particle Therapy, Aarhus University Hospital, Denmark
| | - D S Møller
- Department of Oncology, Aarhus University Hospital, Denmark
| | - C Grau
- Department of Oncology, Aarhus University Hospital, Denmark; Danish Center for Particle Therapy, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
| | - K Jensen
- Danish Center for Particle Therapy, Aarhus University Hospital, Denmark
| | - A I S Holm
- Department of Oncology, Aarhus University Hospital, Denmark.
| | - S S Korreman
- Department of Oncology, Aarhus University Hospital, Denmark; Danish Center for Particle Therapy, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
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20
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Bak B, Skrobala A, Adamska A, Kazmierska J, Jozefacka N, Piotrowski T, Malicki J. Criteria for Verification and Replanning Based on the Adaptive Radiotherapy Protocol "Best for Adaptive Radiotherapy" in Head and Neck Cancer. Life (Basel) 2022; 12:722. [PMID: 35629389 PMCID: PMC9144703 DOI: 10.3390/life12050722] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 11/17/2022] Open
Abstract
No clear criteria have yet been established to guide decision-making for patient selection and the optimal timing of adaptive radiotherapy (ART) based on image-guided radiotherapy (IGRT). We have developed a novel protocol—the Best for Adaptive Radiotherapy (B-ART) protocol—to guide patient selection for ART. The aim of the present study is to describe this protocol, to evaluate its validity in patients with head and neck (HN) cancer, and to identify the anatomical and clinical predictors of the need for replanning. We retrospectively evaluated 82 patients with HN cancer who underwent helical tomotherapy (HT) and subsequently required replanning due to soft tissue changes upon daily MVCT. Under the proposed criteria, patients with anatomical changes >3 mm on three to four consecutive scans are candidates for ART. We compared the volumes on the initial CT scan (iCT) and the replanning CT (rCT) scan for the clinical target volumes (CTV1, referring to primary tumor or tumor bed and CTV2, metastatic lymph nodes) and for the parotid glands (PG) and body contour (B-body). The patients were stratified by primary tumor localization, clinical stage, and treatment scheme. The main reasons for replanning were: (1) a planning target volume (PTV) outside the body contour (n = 70; 85.4%), (2) PG shrinkage (n = 69; 84.1%), (3) B-body deviations (n = 69; 84.1%), and (4) setup deviations (n = 40; 48.8%). The replanning decision was made, on average, during the fourth week of treatment (n = 47; 57.3%). The mean reductions in the size of the right and left PG volumes were 6.31 cc (20.9%) and 5.98 cc (20.5%), respectively (p < 0.001). The reduction in PG volume was ≥30% in 30 patients (36.6%). The volume reduction in all of the anatomical structures was statistically significant. Four variables—advanced stage disease (T3−T4), chemoradiation, increased weight loss, and oropharyngeal localization—were significantly associated with the need for ART. The B-ART protocol provides clear criteria to eliminate random errors, and to allow for an early response to relevant changes in target volumes.
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Affiliation(s)
- Bartosz Bak
- Department of Electroradiology, Poznan University of Medical Science, 61-866 Poznan, Poland; (A.S.); (J.K.); (T.P.); (J.M.)
- Department of Radiotherapy II, Greater Poland Cancer Centre, 61-866 Poznan, Poland
| | - Agnieszka Skrobala
- Department of Electroradiology, Poznan University of Medical Science, 61-866 Poznan, Poland; (A.S.); (J.K.); (T.P.); (J.M.)
- Department of Medical Physics, Greater Poland Cancer Centre, 61-866 Poznan, Poland
| | - Anna Adamska
- Department and Radiotherapy Ward I, Greater Poland Cancer Centre, 61-866 Poznan, Poland;
| | - Joanna Kazmierska
- Department of Electroradiology, Poznan University of Medical Science, 61-866 Poznan, Poland; (A.S.); (J.K.); (T.P.); (J.M.)
- Department of Radiotherapy II, Greater Poland Cancer Centre, 61-866 Poznan, Poland
| | - Natalia Jozefacka
- Institute of Psychology, Pedagogical University in Krakow, 30-084 Krakow, Poland;
| | - Tomasz Piotrowski
- Department of Electroradiology, Poznan University of Medical Science, 61-866 Poznan, Poland; (A.S.); (J.K.); (T.P.); (J.M.)
- Department of Medical Physics, Greater Poland Cancer Centre, 61-866 Poznan, Poland
| | - Julian Malicki
- Department of Electroradiology, Poznan University of Medical Science, 61-866 Poznan, Poland; (A.S.); (J.K.); (T.P.); (J.M.)
- Department of Medical Physics, Greater Poland Cancer Centre, 61-866 Poznan, Poland
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Kron T, Fox C, Ebert MA, Thwaites D. Quality management in radiotherapy treatment delivery. J Med Imaging Radiat Oncol 2022; 66:279-290. [PMID: 35243785 DOI: 10.1111/1754-9485.13348] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/29/2021] [Indexed: 12/17/2022]
Abstract
Radiation Oncology continues to rely on accurate delivery of radiation, in particular where patients can benefit from more modulated and hypofractioned treatments that can deliver higher dose to the target while optimising dose to normal structures. These deliveries are more complex, and the treatment units are more computerised, leading to a re-evaluation of quality assurance (QA) to test a larger range of options with more stringent criteria without becoming too time and resource consuming. This review explores how modern approaches of risk management and automation can be used to develop and maintain an effective and efficient QA programme. It considers various tools to control and guide radiation delivery including image guidance and motion management. Links with typical maintenance and repair activities are discussed, as well as patient-specific quality control activities. It is demonstrated that a quality management programme applied to treatment delivery can have an impact on individual patients but also on the quality of treatment techniques and future planning. Developing and customising a QA programme for treatment delivery is an important part of radiotherapy. Using modern multidisciplinary approaches can make this also a useful tool for department management.
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Affiliation(s)
- Tomas Kron
- Department of Physical Sciences, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.,Sir Peter MacCallum Institute of Oncology, Melbourne University, Melbourne, Victoria, Australia.,Centre for Medical Radiation Physics, University of Wollongong, Wollongong, New South Wales, Australia
| | - Chris Fox
- Department of Physical Sciences, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Martin A Ebert
- Centre for Medical Radiation Physics, University of Wollongong, Wollongong, New South Wales, Australia.,Department of Radiation Oncology, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia.,School of Physics, Mathematics and Computing, University of Western Australia, Perth, Western Australia, Australia.,5D Clinics, Perth, Western Australia, Australia
| | - David Thwaites
- Institute of Medical Physics, School of Physics, University of Sydney, Sydney, New South Wales, Australia.,Medical Physics Group, Leeds Institute of Cardiovascular and Metabolic Medicine and Leeds Institute of Medical Research, University of Leeds, Leeds, UK
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22
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Fernández-Rodríguez LJ, Arens-Benites MA, Maldonado-Pijoan X. Image-Guided Radiation Therapy for Squamous Cell Cancer of the Head and Neck in a Specialized Peruvian Public Hospital. Cureus 2022; 14:e22569. [PMID: 35371637 PMCID: PMC8958993 DOI: 10.7759/cureus.22569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2022] [Indexed: 11/30/2022] Open
Abstract
Squamous cell cancer of the head and neck (SCCHN) often requires adjuvant radiotherapy. Radiotherapy for SCCHN is a challenge because the head and neck contain several critical organs that should receive minimal doses of radiation. These organs include the eyes, parotid glands, brainstem, spinal cord, mandible, and thyroid gland. Approaches like image-guided radiotherapy (IGRT) combined with volumetric modulated arc therapy hold the promise to focus radiation to the planning target volume and spare nearby structures while observing potential changes to patient anatomy during treatment to determine whether replanning is required. IGRT, however, requires the frequent imaging of patients to update the treatment plan. In this retrospective study, we present our findings of SCCHN patients treated in a public hospital in Peru. The patients reflected overall demographic trends associated with SCCHN. Each patient was imaged using computed tomography once before radiotherapy and once by cone-beam computed tomography (CBCT) during treatment, for a total of two images. Tumor displacement, planning target volume, gross tumor volume, and neck diameter were compared between the two images. Among the measurements, only a small statistically significant increase in gross tumor volume was observed between the images. However, a minority of patients did experience changes to anatomy, which highlights the need for continued research into criteria to determine which patients are likely to benefit from treatment replanning due to intra-treatment anatomical changes. Alternatively, a lack of frequent CBCT imaging before each session, due to high patient flows and limited staff resources, made it difficult to observe transient changes and trends in each patient. We conclude that the treatment and outcome improvements associated with IGRT are likely associated with frequent imaging during radiotherapy and properly selecting which patients will benefit most from this resource-intensive technique.
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Bak B, Skrobala A, Adamska A, Malicki J. What information can we gain from performing adaptive radiotherapy of head and neck cancer patients from the past 10 years? Cancer Radiother 2021; 26:502-516. [PMID: 34772603 DOI: 10.1016/j.canrad.2021.08.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/06/2021] [Accepted: 08/12/2021] [Indexed: 01/10/2023]
Abstract
The aim of the review was to present the current literature status about replanning regarding anatomical and dosimetric changes in the target and OARs in the head and neck region during radiotherapy, to discuss and to analyze factors influencing the decision for adaptive radiotherapy of head and neck cancer patients. Significant progress has been made in head and neck patients' evaluation and qualification for adapted radiotherapy over the past ten years. Many factors leading to anatomical and dosimetric changes during treatment have been identified. Based on the literature, the most common factors triggering re-plan are weight loss, tumor and nodal changes, and parotid glands shrinkage. The fluctuations in dose distribution in the clinical area are significant predictive factors for patients' quality of life and the possibility of recovery. It has been shown that re-planning influence clinical outcomes: local control, disease free survival and overall survival. Regarding literature studies, it seems that adaptive radiotherapy would be the most beneficial for tumors of immense volume or those in the nearest proximity of the OARs. All researchers agree that the timing of re-planning is a crucial challenge, and there are still no clear consensus guidelines for time or criteria of re-planning. Nowadays, thanks to significant technological progress, the decision is mostly made based on observation and supported with IGRT verification. Although further research is still needed, adaptive strategies are evolving and now became the state of the art of modern radiotherapy.
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Affiliation(s)
- B Bak
- Radiotherapy Department II, Greater Poland Cancer Center, Poznan, Poland; Department of Electroradiology, University of Medical Science, Poznan, Poland.
| | - A Skrobala
- Department of Electroradiology, University of Medical Science, Poznan, Poland; Department of Medical Physics, Greater Poland Cancer Center, Poznan, Poland
| | - A Adamska
- Radiotherapy Ward I and Department I, Greater Poland Cancer Center, Poznan, Poland
| | - J Malicki
- Department of Electroradiology, University of Medical Science, Poznan, Poland
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24
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Cuccia F, Alongi F, Belka C, Boldrini L, Hörner-Rieber J, McNair H, Rigo M, Schoenmakers M, Niyazi M, Slagter J, Votta C, Corradini S. Patient positioning and immobilization procedures for hybrid MR-Linac systems. Radiat Oncol 2021; 16:183. [PMID: 34544481 PMCID: PMC8454038 DOI: 10.1186/s13014-021-01910-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 09/09/2021] [Indexed: 02/08/2023] Open
Abstract
Hybrid magnetic resonance (MR)-guided linear accelerators represent a new horizon in the field of radiation oncology. By harnessing the favorable combination of on-board MR-imaging with the possibility to daily recalculate the treatment plan based on real-time anatomy, the accuracy in target and organs-at-risk identification is expected to be improved, with the aim to provide the best tailored treatment. To date, two main MR-linac hybrid machines are available, Elekta Unity and Viewray MRIdian. Of note, compared to conventional linacs, these devices raise practical issues due to the positioning phase for the need to include the coil in the immobilization procedure and in order to perform the best reproducible positioning, also in light of the potentially longer treatment time. Given the relative novelty of this technology, there are few literature data regarding the procedures and the workflows for patient positioning and immobilization for MR-guided daily adaptive radiotherapy. In the present narrative review, we resume the currently available literature and provide an overview of the positioning and setup procedures for all the anatomical districts for hybrid MR-linac systems.
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Affiliation(s)
- Francesco Cuccia
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar Di Valpolicella, VR, Italy.
| | - Filippo Alongi
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar Di Valpolicella, VR, Italy
- University of Brescia, Brescia, Italy
| | - Claus Belka
- Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany
| | - Luca Boldrini
- Radiology, Radiation Oncology and Hematology Department, Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, Roma, Italy
| | - Juliane Hörner-Rieber
- Department of Radiation Oncology, University Hospital of Heidelberg, National Center for Radiation Oncology (NCRO), Heidelberg Institute for Radiation Oncology (HIRO), Heidelberg, Germany
| | - Helen McNair
- The Royal Marsden NHS Foundation Trust, and Institute of Cancer Research Sutton, Surrey, UK
| | - Michele Rigo
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar Di Valpolicella, VR, Italy
| | - Maartje Schoenmakers
- Department of Radiation Oncology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Maximilian Niyazi
- Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany
| | - Judith Slagter
- Department of Radiation Oncology - Cancer Center Amsterdam, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - Claudio Votta
- Radiology, Radiation Oncology and Hematology Department, Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, Roma, Italy
| | - Stefanie Corradini
- Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany
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25
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Iliadou V, Economopoulos TL, Karaiskos P, Kouloulias V, Platoni K, Matsopoulos GK. Deformable image registration to assist clinical decision for radiotherapy treatment adaptation for head and neck cancer patients. Biomed Phys Eng Express 2021; 7. [PMID: 34265756 DOI: 10.1088/2057-1976/ac14d1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/15/2021] [Indexed: 11/12/2022]
Abstract
Head and neck (H&N) cancer patients often present anatomical and geometrical changes in tumors and organs at risk (OARs) during radiotherapy treatment. These changes may result in the need to adapt the existing treatment planning, using an expert's subjective opinion, for offline adaptive radiotherapy and a new treatment planning before each treatment, for online adaptive radiotherapy. In the present study, a fast methodology is proposed to assist in planning adaptation clinical decision using tumor and parotid glands percentage volume changes during treatment. The proposed approach was applied to 40 Η&Ν cases, with one planning Computed Tomography (pCT) image and CBCT scans for 6 weeks of treatment per case. Deformable registration was used for each patient's pCT image alignment to its weekly CBCT. The calculated transformations were used to align each patient's anatomical structures to the weekly anatomy. Clinical target volume (CTV) and parotid gland volume percentage changes were calculated in each case. The accuracy of the achieved image alignment was validated qualitatively and quantitatively. Furthermore, statistical analysis was performed to test if there is a statistically significant correlation between CTV and parotid glands volume percentage changes. Average MDA for CTV and parotid glands between corresponding structures defined by an expert in CBCTs and automatically calculated through registration was 1.4 ± 0.1 mm and 1.5 ± 0.1 mm, respectively. The mean registration time of the first CBCT image registration for 40 cases was lower than 3.4 min. Five patients show more than 20% tumor volume change. Six patients show more than 30% parotid glands volume change. Ten out of 40 patients proposed for planning adaptation. All the statistical tests performed showed no correlation between CTV/parotid glands percentage volume changes. The aim to assist in clinical decision making on a fast and automatic way was achieved using the proposed methodology, thereby reducing workload in clinical practice.
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Affiliation(s)
- Vasiliki Iliadou
- School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
| | - Theodore L Economopoulos
- School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
| | - Pantelis Karaiskos
- Medical Physics Laboratory, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Vasileios Kouloulias
- 2nd Department of Radiology, Radiotherapy Unit, ATTIKON University Hospital, Athens, Greece
| | - Kalliopi Platoni
- 2nd Department of Radiology, Radiotherapy Unit, ATTIKON University Hospital, Athens, Greece
| | - George K Matsopoulos
- School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
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