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stereotactic ablative radiotherapy

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https://www.readbyqxmd.com/read/28807235/stereotactic-ablative-radiation-therapy-in-renal-cell-carcinoma-from-oligometastatic-to-localized-disease
#1
REVIEW
Filippo Alongi, Stefano Arcangeli, Luca Triggiani, Rosario Mazzola, Michela Buglione di Monale E Bastia, Sergio Fersino, Anna Baiguini, Barbara Alicja Jereczek-Fossa, Stefano Maria Magrini
Renal Cell Carcinoma (RCC) has historically been considered a radioresistant cancer, and radiotherapy was usually delivered with a palliative goal. Stereotactic ablative radiotherapy (SABR) allows the delivery of high doses on small treatment volumes in a safe and effective way, thus opening the doors to new applicationsof radiotherapy both in the treatment of the primary and oligometastasic disease. Aim of the current review is to explore the state of art of SABR in the therapeutic approach to RCC.
September 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28760464/low-accuracy-of-computed-tomography-and-positron-emission-tomography-to-detect-lung-and-lymph-node-metastases-of-colorectal-cancer
#2
Francesco Guerrera, Stéphane Renaud, Mickaël Schaeffer, Victor Nigra, Paolo Solidoro, Nicola Santelmo, Pier Luigi Filosso, Pierre-Emmanuel Falcoz, Enrico Ruffini, Alberto Oliaro, Gilbert Massard
BACKGROUND: Minimally invasive surgery, stereotactic radiotherapy, and radiofrequency ablation are commonly proposed in the case of pulmonary colorectal-metastasis as alternatives to conventional open surgery. Preoperative imaging assessment by computed tomography (CT) scan and fluorodeoxyglucose positron emission tomography (FDG-PET) are critical to guide oncologic radical treatment. Our aim was to investigate the accuracy of CT and FDG-PET for the evaluation of the number of pulmonary colorectal metastases and thoracic lymph nodal involvement (LNI)...
July 28, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28752279/ablative-radiotherapy-as-a-noninvasive-alternative-to-catheter-ablation-for-cardiac-arrhythmias
#3
REVIEW
Paul C Zei, Scott Soltys
PURPOSE OF REVIEW: Stereotactic radioablation is a commonly utilized technology to noninvasively treat solid tumors with precision and efficacy. Using a robotic arm mounted delivery system, multiple low-dose ionizing radiation beams are delivered from multiple angles, concentrating ablative energy at the target tissue. Recently, this technology has been evaluated for treatment of cardiac arrhythmias. This review will present the basic underlying principles, proof-of-principle studies, and clinical experience with stereotactic arrhythmia radioablation...
September 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28741377/renal-cell-carcinoma-alternative-nephron-sparing-treatment-options-for-small-renal-masses-a-systematic-review
#4
Fieke M Prins, Linda G W Kerkmeijer, Anne A Pronk, Evert-Jan P A Vonken, Richard P Meijer, Axel Bex, Maurits M Barendrecht
<i>Background</i> The standard treatment of T1 renal cell carcinoma is (partial-) nephrectomy. For patients where surgery is not the treatment of choice, for example in the elderly, in case of severe comorbidity, inoperability or refusal of surgery, alternative treatment options are available. These treatment options include active surveillance, radiofrequency ablation, cryoablation, microwave ablation or stereotactic body radiotherapy. In the present overview, the efficacy, safety and outcome of these different options are summarized, particularly focusing on recent developments...
July 25, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28740403/primary-lung-sarcoma-treated-with-stereotactic-ablative-radiotherapy-a-case-report
#5
Seung-Gu Yeo
Primary lung sarcoma (PLS) is an extremely rare, very aggressive malignancy. Surgical removal is considered the treatment of choice, and patients who have been given conventional radiotherapy have had inferior outcomes. This study is the first describing a case of PLS treated with stereotactic ablative radiotherapy (SABR), which precisely targets a small tumor with a markedly higher biologically effective dose than conventional radiotherapy. The patient was an 82-year-old man who was diagnosed with primary lung leiomyosarcoma based on radiology, pathology, and immunohistochemical examinations...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28736648/the-utility-of-positron-emission-tomography-computed-tomography-in-target-delineation-for-stereotactic-body-radiotherapy-for-liver-metastasis-from-primary-gastric-cancer-an-illustrative-case-report-and-literature-review
#6
Gary D Lewis, Stephen B Chiang, E Brian Butler, Bin S Teh
The liver is a common site for metastatic disease for many cancers. Radiation therapy is one means of treatment for liver metastases, especially for patients unable to undergo surgery or ineligible for systemic chemotherapy. In particular, stereotactic body radiotherapy (SBRT) has become an important option in the treatment of metastatic disease in the liver. SBRT delivers ablative doses of radiation in relatively few fractions. As such, precise and clear imaging plays an important role in maximizing disease control while minimizing normal tissue toxicity...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28735769/the-elderly-are-less-likely-to-receive-recommended-radical-radiotherapy-for-non-small-cell-lung-cancer
#7
J McAleese, S Baluch, K Drinkwater, P Bassett, G G Hanna
AIMS: The National Institute for Healthcare Excellence recommends continuous hyperfractionated, accelerated radiotherapy (CHART), concurrent chemoradiation (cCRT) and stereotactic ablative radiotherapy (SABR) for appropriate patients with non-small cell lung cancer (NSCLC), but these are not universally available in all UK radiotherapy centres. Reduced access to these treatments may be contributing to reduced survival, with the concern that elderly patients are less likely to receive guideline-recommended therapy (GRT)...
September 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28732517/erratum-to-predictors-of-chest-wall-toxicity-after-stereotactic-ablative-radiotherapy-using-real-time-tumor-tracking-for-lung-tumors
#8
Younghee Park, Hee Jung Kim, Ah Ram Chang
No abstract text is available yet for this article.
July 21, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28712275/predictive-factors-of-symptomatic-radiation-pneumonitis-in-primary-and-metastatic-lung-tumors-treated-with-stereotactic-ablative-body-radiotherapy
#9
Kangpyo Kim, Jeongshim Lee, Yeona Cho, Seung Yeun Chung, Jason Joon Bock Lee, Chang Geol Lee, Jaeho Cho
PURPOSE: Although stereotactic ablative body radiotherapy (SABR) is widely used therapeutic technique, predictive factors of radiation pneumonitis (RP) after SABR remain undefined. We aimed to investigate the predictive factors affecting RP in patients with primary or metastatic lung tumors who received SABR. MATERIALS AND METHODS: From 2012 to 2015, we reviewed 59 patients with 72 primary or metastatic lung tumors treated with SABR, and performed analyses of clinical and dosimetric variables related to symptomatic RP...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28708043/reirradiation-spine-stereotactic-body-radiation-therapy-for-spinal-metastases-systematic-review
#10
Sten Myrehaug, Arjun Sahgal, Motohiro Hayashi, Marc Levivier, Lijun Ma, Roberto Martinez, Ian Paddick, Jean Régis, Samuel Ryu, Ben Slotman, Antonio De Salles
OBJECTIVE Spinal metastases that recur after conventional palliative radiotherapy have historically been difficult to manage due to concerns of spinal cord toxicity in the retreatment setting. Spine stereotactic body radiation therapy (SBRT), also known as stereotactic radiosurgery, is emerging as an effective and safe means of delivering ablative doses to these recurrent tumors. The authors performed a systematic review of the literature to determine the clinical efficacy and safety of spine SBRT specific to previously irradiated spinal metastases...
July 14, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28701219/excellent-local-control-and-tolerance-profile-after-stereotactic-body-radiotherapy-of-advanced-hepatocellular-carcinoma
#11
Eleni Gkika, Michael Schultheiss, Dominik Bettinger, Lars Maruschke, Hannes Philipp Neeff, Michaela Schulenburg, Sonja Adebahr, Simon Kirste, Ursula Nestle, Robert Thimme, Anca-Ligia Grosu, Thomas Baptist Brunner
BACKGROUND: To evaluate the efficacy and toxicity of stereotactic body radiotherapy (SBRT) in the treatment of advanced hepatocellular carcinoma (HCC). MATERIAL AND METHODS: Patients with large HCCs (median diameter 7 cm, IQR 5-10 cm) with a Child-Turcotte-Pugh (CTP) score A (60%) or B (40%) and Barcelona-Clinic Liver Cancer (BCLC) classification stage B or C were treated with 3 to 12 fractions to allow personalized treatment according to the size of the lesions and the proximity of the lesions to the organs at risk aiming to give high biologically equivalent doses assuming an α/β ratio of 10 Gy for HCC...
July 12, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28697271/encouraging-long-term-outcomes-reported-in-patients-with-stage-i-non-small-cell-lung-cancer-treated-with-stereotactic-ablative-radiotherapy
#12
Mary Kay Barton
No abstract text is available yet for this article.
July 11, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28693191/effect-of-primary-tumor-location-and-tumor-size-on-the-response-to-radiotherapy-for-liver-metastases-from-colorectal-cancer
#13
Hiroshi Doi, Kenji Uemoto, Osamu Suzuki, Koichi Yamada, Norihisa Masai, Daisaku Tatsumi, Hiroya Shiomi, Ryoong-Jin Oh
Metastatic liver tumors (MLTs) from colorectal cancer (CRC) are often treated with stereotactic body radiation therapy (SBRT). The present study aimed to examine the predictive factors for response of MLTs to SBRT. A total of 39 MLTs from 24 patients with CRC were retrospectively analyzed. Radiotherapy for MLT was typically performed with a prescribed dose equivalent to a biologically effective dose (BED)10 of 100 Gy. The median follow-up period was 16 months (range, 5-64 months). The median prescribed dose and total BED10 were 56 Gy (range, 45-72 Gy) and 97...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28685607/state-of-the-ablation-nation-a-review-of-ablative-therapies-for-cure-in-the-treatment-of-hepatocellular-carcinoma
#14
Umer Salati, Aisling Barry, Frank Y Chou, Roy Ma, David M Liu
Primary liver cancer, mainly hepatocellular carcinoma, is one of the most common malignancies worldwide. Surgical management, either resection or transplantation, is considered definitive treatment, however, less than 20% of patients are ultimately candidates. Thermal ablation modalities such as radiofrequency ablation and microwave ablation have evolved such that these modalities have been applied with curative intent. Moreover, thermal ablation has demonstrated efficacy in treating early-stage tumors and can be offered as first-line treatment in patients with uncomplicated disease...
July 2017: Future Oncology
https://www.readbyqxmd.com/read/28684242/-hypofractionated-stereotactic-body-radiation-therapy-for-adrenal-metastases
#15
G Dupic, J Biau, A Bellière-Calandry, M Lapeyre
Adrenal glands are a common site for metastatic spread since they represent the fourth metastatic site of solid tumors. Interest in local ablative treatments of oligometastases is growing since literature suggests better progression-free survival, quality of life and potentially overall survival in selected patients. Surgery remains the first treatment of adrenal oligometastases because results are good, with a long enough follow-up. However, stereotactic radiotherapy appears to be comparable to surgery and could be proposed to elderly, unfit, inoperable patients, or even to patients whose systemic treatment should not be suspended for too long...
August 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28677574/radiotherapy-in-patients-with-hiv-current-issues-and-review-of-the-literature
#16
REVIEW
Filippo Alongi, Niccolò Giaj-Levra, Savino Sciascia, Alessandra Fozza, Sergio Fersino, Alba Fiorentino, Rosario Mazzola, Francesco Ricchetti, Michela Buglione, Dora Buonfrate, Dario Roccatello, Umberto Ricardi, Zeno Bisoffi
Although the introduction of highly active antiretroviral therapy has radically improved the life expectancy of patients with HIV, HIV positivity is still considered a major barrier to oncological treatment for patients with cancer because of their worse prognosis and increased susceptibility to toxic effects compared with patients who are immunocompetent. The use of radiotherapy with or without chemotherapy, immunotherapy, or molecular targeted therapy is the standard of care for several cancers. These new drugs and substantial improvements in radiotherapy techniques, including intensity-modulated radiotherapy, image-guided radiotherapy, and stereotactic ablative radiotherapy, are optimising the feasibility of such anticancer treatments and are providing new opportunities for patients with cancer and HIV...
July 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28675492/development-of-patient-controlled-respiratory-gating-system-based-on-visual-guidance-for-magnetic-resonance-image-guided-radiation-therapy
#17
Jung-In Kim, Hanyoung Lee, Hong-Gyun Wu, Eui Kyu Chie, Hyun-Cheol Kang, Jong Min Park
PURPOSE: The aim of this study is to develop a visual guidance patient-controlled (VG-PC) respiratory gating system for respiratory-gated magnetic-resonance image-guided radiation therapy (MR-IGRT) and to evaluate the performance of the developed system. METHODS: The near-real-time cine planar MR image of a patient acquired during treatment was transmitted to a beam projector in the treatment room through an optical fiber cable. The beam projector projected the cine MR images inside the bore of the ViewRay system in order to be visible to a patient during treatment...
July 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/28662680/systematic-review-of-patient-reported-quality-of-life-following-stereotactic-ablative-radiotherapy-for-primary-and-metastatic-liver-cancer
#18
REVIEW
Adam Mutsaers, Jeffrey Greenspoon, Cindy Walker-Dilks, Anand Swaminath
BACKGROUND: Stereotactic ablative radiotherapy (SABR) is a safe and effective modality in patients with liver cancer who are ineligible for other local therapies. However SABR is not current standard of practice and requires further validation. Patient reported quality of life (QOL) is key to this validation, yet no systematic reviews to date have been performed to analyse QOL following liver SABR. QOL is a critical part of therapy evaluation, particularly in disease states with short life expectancy...
June 29, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28662647/a-phase-ii-randomized-trial-of-observation-versus-stereotactic-ablative-radiation-for-oligometastatic-prostate-cancer-oriole
#19
Noura Radwan, Ryan Phillips, Ashley Ross, Steven P Rowe, Michael A Gorin, Emmanuel S Antonarakis, Curtiland Deville, Stephen Greco, Samuel Denmeade, Channing Paller, Daniel Y Song, Maximilian Diehn, Hao Wang, Michael Carducci, Kenneth J Pienta, Martin G Pomper, Theodore L DeWeese, Adam Dicker, Mario Eisenberger, Phuoc T Tran
BACKGROUND: We describe a randomized, non-blinded Phase II interventional study to assess the safety and efficacy of stereotactic ablative radiotherapy (SABR) for hormone-sensitive oligometastatic prostate adenocarcinoma, and to describe the biology of the oligometastatic state using immunologic, cellular, molecular, and functional imaging correlates. 54 men with oligometastatic prostate adenocarcinoma will be accrued. The primary clinical endpoint will be progression at 6 months from randomization with the hypothesis that SABR to all metastases will forestall progression by disrupting the metastatic process...
June 29, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28655454/mlc-tracking-for-lung-sabr-reduces-planning-target-volumes-and-dose-to-organs-at-risk
#20
Vincent Caillet, Paul J Keall, Emma Colvill, Nicholas Hardcastle, Ricky O'Brien, Kathryn Szymura, Jeremy T Booth
PURPOSE: Assess the dosimetric impact of multi-leaf collimator (MLC) tracking and mid-ventilation (midV) planning compared with the internal target volume (ITV)-based planning approach for lung Stereotactic Ablative Body Radiotherapy (SABR). METHOD: Ten lung SABR patients originally treated with an ITV-based plan were re-planned according to MLC tracking and midV planning schemes. All plans were delivered on a linac to a motion phantom in a simulated treatment with real lung motions...
June 24, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
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