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https://www.readbyqxmd.com/read/29642467/proton-partial-breast-irradiation-detailed-description-of-acute-clinico-radiologic-effects
#1
Valentina Ovalle, Eric A Strom, Simona Shaitelman, Karen Hoffman, Richard Amos, George Perkins, Welela Tereffe, Benjamin D Smith, Michael Stauder, Wendy Woodward
Introduction: Accelerated partial breast irradiation (APBI) with protons results in a very different acute effect profile than standard whole breast irradiation. We reviewed our initial experience with proton APBI and felt that a detailed description of these effects were needed to permit a common tool to compare experience with this developing technology. Methods: Sixty sequential patients treated with proton APBI on a prospective protocol were evaluated and 43 patients with a minimum six-month follow-up underwent detailed photographic and radiologic analysis...
April 7, 2018: Cancers
https://www.readbyqxmd.com/read/29619057/accelerated-partial-breast-irradiation-in-a-single-18-gy-fraction-with-high-dose-rate-brachytherapy-preliminary-results
#2
Javier Anchuelo Latorre, Piedad Galdós, Lucía Alonso Buznego, Ana García Blanco, Juan Cardenal, María Ferri, Iván Díaz de Cerio, Elisabet Arrojo, Nicolás Sierrasesúmaga, Mónica González Noriega, Ana De Juan Ferré, Rosa Fabregat, Samuel Ruíz, Pedro J Prada
Purpose: To evaluate the feasibility of acute and chronic toxicity in patients suitable for accelerated partial breast irradiation (APBI) in a single 18 Gy fraction with multicatheter high-dose-rate (HDR) brachytherapy, as well as cosmetic and oncological outcomes. Material and methods: Between September 2014 and March 2016, twenty consecutive patients with low-risk invasive and ductal carcinoma in situ were treated with interstitial multicatheter HDR brachytherapy in a single 18 Gy fraction...
February 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29619056/should-molecular-subtype-be-recommended-as-one-of-the-selection-criteria-for-accelerated-partial-breast-irradiation-preliminary-results-from-an-asian-cohort
#3
Tabassum Wadasadawala, Monidipa Mondal, Siji Nojin Paul, Vani Parmar, Nita Nair, Tanuja Shet, Sangeeta Desai, Sudeep Gupta, Rajiv Sarin
Purpose: The purpose of this study was to report clinical outcomes in patients treated with accelerated partial breast irradiation (APBI), stratified as per molecular subtype and American Society for Therapeutic Radiology and Oncology/Groupe Européen de Curiethérapie and European Society for Radiotherapy & Oncology (ASTRO/GEC-ESTRO) patient selection criteria in order to determine whether molecular subtype should be recommended as one of the selection criteria for APBI. Material and methods: 157 early-stage breast cancers patients, treated with APBI using multi-catheter interstitial brachytherapy with ≥ 6 months follow-up were included...
February 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29609845/evolution-of-brachytherapy-treatment-planning-to-deterministic-radiation-transport-for-calculation-of-cardiac-dose
#4
REVIEW
Peter A Sandwall, Yuntao Feng, Michael Platt, Michael Lamba, Sudha Mahalingam
Brachytherapy was among the first methods of radiotherapy and has steadily continued to evolve. Here we present a brief review of the progression of dose calculation methods in brachytherapy to the current state-of-the art computerized methods for heterogeneity correction. We further review the origin and development of the BrachyVision (Varian Medical Systems, Inc., Palo Alto, CA) treatment planning system and evaluate dosimetric results from 12 patients implanted with the strut-assisted volumetric implant (SAVI) applicator (Cianna Medical, Aliso Viejo, CA) for accelerated partial breast irradiation (APBI)...
March 30, 2018: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/29594217/treatment-constraints-for-single-dose-external-beam-preoperative-partial-breast-irradiation-in-early-stage-breast-cancer
#5
Ramona K Charaghvandi, Sua Yoo, Bram van Asselen, Anna Rodrigues, Desirée H J G van den Bongard, Janet K Horton
Background: Following breast-conserving surgery and post-operative 3D-conformal accelerated partial breast irradiation (APBI), suboptimal cosmetic results have been reported. Preoperative radiation delivery to the intact tumor enables better target visualization and treatment volume reduction. Single dose preoperative APBI has the potential to improve toxicity profiles, reduce treatment burden and enable in vivo exploration of breast cancer radiogenomics. Purpose: Develop practical guidelines for single dose external beam preoperative APBI...
October 2017: Clinical and Translational Radiation Oncology
https://www.readbyqxmd.com/read/29566762/partial-breast-irradiation-with-cyberknife-after-breast-conserving-surgery-a-pilot-study-in-early-breast-cancer
#6
Laura Lozza, Laura Fariselli, Marco Sandri, Mario Rampa, Valentina Pinzi, Maria Carmen De Santis, Marzia Franceschini, Giovanna Trecate, Ilaria Maugeri, Luisa Fumagalli, Francesca Bonfantini, Giulia Bianchi, Emanuele Pignoli, Elena De Martin, Roberto Agresti
BACKGROUND: Local recurrences after breast conserving treatment are mainly close to the original tumor site, and as such shorter fractionation strategies focused on and nearest mammary gland, i.e. accelerated partial breast irradiation (APBI), have been developed. Stereotactic APBI has been attempted, although there is little experience using CyberKnife (CK) for early breast cancer. METHODS: This pilot study was designed to assess the feasibility of CK-APBI on 20 evaluable patients of 29 eligible, followed for 2 years...
March 23, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29513031/updated-astro-guidelines-on-accelerated-partial-breast-irradiation-apbi-to-whom-can-we-offer-apbi-outside-a-clinical-trial
#7
Anna M Kirby
The American Society of Radiation Oncology has recently updated its guidelines on the role of accelerated partial breast irradiation in the management of breast cancer. This commentary discusses the new recommendations and how we might advise patients in the light of existing data.
March 23, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29460031/acute-toxicity-of-intraoperative-radiotherapy-and-external-beam-accelerated-partial-breast-irradiation-in-elderly-breast-cancer-patients
#8
D H M Jacobs, G Speijer, A L Petoukhova, E M A Roeloffzen, M Straver, A Marinelli, U Fisscher, A G Zwanenburg, J Merkus, C A M Marijnen, M E Mast, P C M Koper
BACKGROUND AND PURPOSE: We investigated the acute toxicity of accelerated partial breast irradiation using external beam (EB-APBI) or intraoperative radiotherapy (IORT) techniques in elderly breast cancer patients. MATERIALS AND METHODS: Women ≥ 60 years with unifocal breast tumors of ≤ 30 mm were eligible for this prospective multi-center cohort study. IORT was applied with electrons following lumpectomy (23.3 Gy). EB-APBI was delivered using 3D-CRT or IMRT in 10 daily fractions of 3...
February 19, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29349713/patient-reported-outcomes-of-catheter-based-accelerated-partial-breast-brachytherapy-and-whole-breast-irradiation-a-single-institution-experience
#9
Krishan R Jethwa, Mohamed M Kahila, Kristin C Mara, William S Harmsen, David M Routman, Geralyn M Pumper, Kimberly S Corbin, Jeff A Sloan, Kathryn J Ruddy, Tina J Hieken, Sean S Park, Robert W Mutter
PURPOSE: Accelerated partial breast irradiation (APBI) and whole breast irradiation (WBI) are treatment options for early-stage breast cancer. The purpose of this study was to compare patient-reported-outcomes (PRO) between patients receiving multi-channel intra-cavitary brachytherapy APBI or WBI. METHODS: Between 2012 and 2015, 131 patients with ductal carcinoma in situ (DCIS) or early stage invasive breast cancer were treated with adjuvant APBI (64) or WBI (67) and participated in a PRO questionnaire...
May 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29141779/five-field-imrt-class-solutions-and-dosimetric-planning-guidelines-for-implementing-accelerated-partial-breast-irradiation
#10
Sarah Quirk, Petra Grendarova, Michael Roumeliotis
PURPOSE: A comprehensive set of planning guidelines was developed to aid in achieving reproducible dosimetric results for external beam accelerated partial breast irradiation (APBI). The methodology for the development of class solutions for dosimetric planning of the APBI technique, including dose constraint recommendations, is presented for target coverage and conformity as well as normal tissues. METHODS AND MATERIALS: A conservative patient setup was simulated on a linear accelerator, and a comprehensive arrangement of gantry and couch angles was measured for clearance...
September 28, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29089275/long-term-outcomes-of-apbi-via-multicatheter-interstitial-hdr-brachytherapy-results-of-a-prospective-single-institutional-registry
#11
Prashant Gabani, Amy E Cyr, Jacqueline E Zoberi, Laura L Ochoa, Melissa A Matesa, Maria A Thomas, Jose Garcia, Julie A Margenthaler, Michael J Naughton, Cynthia Ma, Souzan Sanati, Imran Zoberi
PURPOSE: Long-term outcome reports of accelerated partial-breast irradiation (APBI) are limited. Here, we report the 10-year outcomes of APBI delivered using multicatheter interstitial implant (ISI) brachytherapy. METHODS AND MATERIALS: Patients with early-stage breast cancer treated with APBI via ISI brachytherapy were enrolled in a prospective registry. Selection criteria included age ≥40 years, ductal carcinoma in situ or invasive tumor ≤3 cm, negative margins (≥2 mm), and negative axillary nodes...
October 28, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29074088/the-american-brachytherapy-society-consensus-statement-for-accelerated-partial-breast-irradiation
#12
Chirag Shah, Frank Vicini, Simona F Shaitelman, Jaroslaw Hepel, Martin Keisch, Douglas Arthur, Atif J Khan, Robert Kuske, Rakesh Patel, David E Wazer
PURPOSE: Adjuvant radiation after breast-conserving surgery remains the standard-of-care treatment for patients with ductal carcinoma in situ and early-stage invasive breast cancer. Multiple alternatives to standard whole-breast irradiation exist including accelerated partial-breast irradiation (APBI). Therefore, the purpose of this APBI guideline is to provide updated data for clinicians as well as recommendations regarding appropriate patient selection and techniques to deliver APBI...
January 2018: Brachytherapy
https://www.readbyqxmd.com/read/28938661/efficacy-and-safety-of-accelerated-partial-breast-irradiation-a-meta-analysis-of-published-randomized-studies
#13
Gengchun Liu, Zhongyi Dong, Baqun Huang, Yuelong Liu, Yan Tang, Qing Li, Yihui Zhu
BACKGROUND AND PURPOSE: Accelerated partial breast irradiation (APBI) technology has theoretical advantages in comparison with traditional adjuvant radiation therapy (whole-breast irradiation; WBI) after breast-conserving surgery. However, published randomized controlled trials have shown inconsistent outcomes. Therefore, a comprehensive assessment of the effectiveness and safety of APBI technology is needed. RESULTS: A total of 7 studies of 7452 patients were included in this analysis...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28916952/air-electron-stream-interactions-during-magnetic-resonance-igrt-skin-irradiation-outside-the-treatment-field-during-accelerated-partial-breast-irradiation
#14
Jong Min Park, Kyung Hwan Shin, Jung-In Kim, So-Yeon Park, Seung Hyuck Jeon, Noorie Choi, Jin Ho Kim, Hong-Gyun Wu
PURPOSE: To investigate and to prevent irradiation outside the treatment field caused by an electron stream in the air generated by the magnetic field during magnetic resonance image-guided accelerated partial breast irradiation (APBI). MATERIALS AND METHODS: In all, 20 patients who received APBI with a magnetic resonance image-guided radiation therapy (MR-IGRT) system were prospectively studied. The prescription dose was 38.5 Gy in 10 fractions of 3.85 Gy and delivered with a tri-cobalt system (the ViewRay system)...
January 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28869144/efficiency-of-using-the-day-of-implant-ct-for-planning-of-savi-apbi
#15
Michael B Altman, Karen E Mooney, Sharbacha Edward, Jose L Garcia-Ramirez, Todd A Dewees, Maria A Thomas, Imran Zoberi, Jacqueline E Zoberi
PURPOSE: The purpose of the study was to develop an optimized, efficient workflow for using the day-of-implant (DOI) CT for treatment planning of accelerated partial breast irradiation brachytherapy using the strut-adjusted volume implant (SAVI) device. METHODS AND MATERIALS: For 62 consecutive SAVI patients, a DOI CT was acquired and used for treatment planning. A "verification" CT was acquired 24-72 h after implant and immediately before the first fraction, then registered to the DOI CT...
August 28, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28844820/clinical-implementation-of-a-novel-double-balloon-single-entry-breast-brachytherapy-applicator
#16
Bethany M Anderson, Charles R Wallace, Anna-Maria A De Costa, Rupak K Das
PURPOSE: The purpose of the study was to describe the clinical utilization of a novel Double-Balloon applicator for accelerated partial breast irradiation (APBI). METHODS AND MATERIALS: The Double-Balloon single-entry breast applicator contains a single central treatment catheter, as well as four peripheral catheters that can be differentially loaded to customize radiation dose coverage. An inner balloon is filled with up to 7-30 cm(3) of saline to increase separation between the peripheral catheters, and an outer balloon is filled with up to 37-115 cm(3) of saline to displace breast tissue from the peripheral catheters...
August 24, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28766205/a-single-institution-retrospective-comparison-study-of-locoregional-recurrence-after-accelerated-partial-breast-irradiation-using-external-beam-fractionation-compared-with-whole-breast-irradiation-with-8-years-of-follow-up
#17
Shalin Shah, Alexandra Kyrillos, Kristine Kuchta, Hussain Habib, Megan Tobias, Vathsala Raghavan, Arif Shaikh, William Bloomer, Catherine Pesce, Katharine Yao
BACKGROUND: Accelerated partial breast irradiation (APBI) was developed to address disadvantages of overall treatment time and potentially unnecessary radiation associated with whole breast irradiation (WBI). We report updated results of our single institution study using an external beam APBI regimen with a median follow-up of 8 years. METHODS: A total of 290 APBI patients with AJCC Stage 0-II breast cancer were compared with 290 WBI patients with matched tumor characteristics...
October 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28766200/keynote-address-at-the-american-society-of-breast-surgeons-18th-annual-meeting-current-and-future-application-of-intraoperative-radiotherapy-iort-in-the-curative-and-palliative-treatment-of-breast-cancer
#18
Frederik Wenz
Intraoperative radiotherapy (IORT) is increasingly used worldwide. Breast cancer is the most rapidly growing indication for IORT, approaching 70-80% of cases in most centers. This report reviews the theoretical background and clinical use of IORT for primary and metastasized breast cancer. There are established applications such as tumor bed boost during breast-conserving surgery followed by whole breast radiotherapy or IORT as a form of accelerated partial-breast irradiation (APBI) for selected patients. Novel applications such as IORT for vertebral or brain metastases are presented as well as technological developments, widening the spectrum of potential clinical applications for IORT...
October 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28764924/partial-breast-irradiation-with-interstitial-multi-catheter-high-dose-rate-brachytherapy-long-term-results-of-a-phase-ii-prospective-study
#19
MULTICENTER STUDY
Cynthia Aristei, Ernesto Maranzano, Valentina Lancellotta, Luigia Chirico, Claudio Zucchetti, Marco Italiani, Paola Anselmo, Cristina Mariucci, Elisabetta Perrucci, Fabio Arcidiacono, Fabio Trippa, György Kovacs, Vittorio Bini, Isabella Palumbo
PURPOSE: We report the long-term results of phase II prospective study with accelerated partial breast irradiation (APBI) using interstitial multi-catheter high-dose-rate brachytherapy. METHODS: 240 patients received APBI (4Gy, twice daily; total dose 32Gy). RESULTS: Median follow-up was 96months. Recurrences in the treated breast developed in 8 patients (3.3%) at a median of 73months after APBI. The 5- and 10-year cumulative incidences were respectively, 1...
August 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28757401/impact-of-adjuvant-systemic-chemotherapy-on-wound-healing-and-cosmetic-outcome-in-224-women-treated-with-accelerated-partial-breast-irradiation-using-interstitial-brachytherapy
#20
Ashwini Budrukkar, Prakash Pandit, Tabassum Wadasadawala, Ritu Raj Upreti, Rakesh Jalali, Sudeep Gupta, Tanuja Shet, Vani Parmar, Rajendra Badwe, Rajiv Sarin
PURPOSE: To evaluate the impact of timing of adjuvant chemotherapy on wound healing and cosmetic outcome in women treated with accelerated partial breast irradiation (APBI). METHODS AND MATERIALS: Between August 2000 to December 2011, 224 women were treated with APBI using multicatheter interstitial high-dose-rate brachytherapy. Patients were treated to a dose of 34 Gy/10#/5-7 days with bid regimen. Systemic chemotherapy was administered as per the standard guidelines...
July 27, 2017: Brachytherapy
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