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Stereotactic ablative

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https://www.readbyqxmd.com/read/28526616/stereotactic-ablative-radiotherapy-in-treatment-of-early-stage-non-small-cell-lung-cancer-unsolved-questions-and-frontiers-ahead
#1
Jingze Zhang, Li Kong, Qinghua Jiao, Minghuan Li, Jingming Yu
Stereotactic ablative radiotherapy (SABR) has been recognized as a standard alternative treatment to surgery for inoperable early stage non-small cell lung cancer (NSCLC). Guaranteed local control rates over 90% makes oncologists wonder whether SABR is qualified enough to challenge surgery in operable patients. The role of SABR for centrally located lesions would be another question because of the increased risk of severe toxic effect. Plenty of studies suggest that optimization of dose regimen and appropriate case selection would be helpful...
May 16, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28521346/real-time-magnetic-resonance-imaging-guided-biopsy-using-smartframe%C3%A2-stereotaxis-in-the-setting-of-a-conventional-diagnostic-magnetic-resonance-imaging-suite
#2
Justin K Scheer, Thomas Hamelin, Leon Chang, Brian Lemkuil, Bob S Carter, Clark C Chen
BACKGROUND: Real-time magnetic resonance imaging (MRI) visualization during stereotactic needle biopsies affords several valuable benefits to the neurosurgeon, including the opportunity to visually confirm the biopsy site at the time of surgery. Until now, reported experiences with this technique have been limited to the setting of intraoperative MRI or dedicated procedural MRI suites with modified ventilation systems. OBJECTIVE: To describe our experience with 11 consecutive patients who underwent real-time MRI-guided biopsy performed using SmartFrame® stereotaxis (MRI Interventions, Irvine, California) in the setting of a conventional diagnostic MRI suite...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28507888/spine-stereotactic-body-radiotherapy-indications-outcomes-and-points-of-caution
#3
Chia-Lin Tseng, Wietse Eppinga, Raphaele Charest-Morin, Hany Soliman, Sten Myrehaug, Pejman Jabehdar Maralani, Mikki Campbell, Young K Lee, Charles Fisher, Michael G Fehlings, Eric L Chang, Simon S Lo, Arjun Sahgal
STUDY DESIGN: A broad narrative review. OBJECTIVES: The objective of this article is to provide a technical review of spine stereotactic body radiotherapy (SBRT) planning and delivery, indications for treatment, outcomes, complications, and the challenges of response assessment. The surgical approach to spinal metastases is discussed with an overview of emerging minimally invasive techniques. METHODS: A comprehensive review of the literature was conducted on the techniques, outcomes, and developments in SBRT and surgery for spinal metastases...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28505539/revisiting-bilateral-thalamotomy-for-tremor
#4
REVIEW
Jumana Alshaikh, Paul S Fishman
MRI guided focused ultrasound surgery (MRgFUS) has been FDA approved for unilateral treatment of essential tremor (ET). Before this non-incisional lesioning method can be applied to the treatment of both hemispheres the previous experience with bilateral thalamic ablation must be addressed. In particular, the high incidence of worsening of speech and balance associated with bilateral surgical thalamotomy, a rationale for the development of deep brain stimulation. The highest incidence of these complication occurred in the early years of surgery for movement disorders, when neither MRI nor current stereotactic methods were available...
May 1, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28499791/the-role-of-radiotherapy-in-epidermal-growth-factor-receptor-mutation-positive-patients-with-oligoprogression-a-matched-cohort-analysis
#5
O S H Chan, V H F Lee, T S K Mok, F Mo, A T Y Chang, R M W Yeung
AIMS: Almost all patients with epidermal growth factor receptor (EGFR) mutations will develop resistance to first-line EGFR tyrosine kinase inhibitors (TKIs). The management of oligoprogression on EGFR TKI is controversial. Irradiating progressing tumours may potentially eradicate the resistant clone and allow continuation of EGFR TKI, but the clinical data remain sparse. We aimed to assess the effect of radiotherapy on survival outcomes in patients with oligoprogression in a matched-cohort study...
May 9, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28490988/the-role-of-sbrt-in-oligometastatic-patients-with-liver-metastases-from-breast-cancer
#6
Marta Scorsetti, Davide Franceschini, Fiorenza De Rose, Tiziana Comito, Ciro Franzese, Giovanna Masci, Rosalba Torrisi, Luca Viganò, Guido Torzilli
Liver metastases from breast cancer are a common occurrence. Local ablative therapies are a promising therapeutic option for these patients, with the potential for a long term disease control in the setting of "oligometastatic patients". Identification of the perfect candidate for local approaches is still challenging and unclear. Stereotactic body radiation therapy (SBRT) is one of the most valuable local therapy, because of great efficiency, low morbidity and minimal invasiveness. In this paper, we reviewed the state of the art in the care of breast cancer patients with liver metastases, with a focus on SBRT...
March 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28490983/institutional-experience-in-the-treatment-of-colorectal-liver-metastases-with-stereotactic-body-radiation-therapy
#7
Alejandra Méndez Romero, Fatma Keskin-Cambay, Rob M van Os, Joost J Nuyttens, Ben J M Heijmen, Jan N M IJzermans, Cornelis Verhoef
AIM: To investigate whether the impact of dose escalation in our patient population represented an improvement in local control without increasing treatment related toxicity. MATERIALS AND METHODS: A cohort of consecutive patients with colorectal liver metastases treated with stereotactic body radiation therapy (SBRT) between December 2002 and December 2013 were eligible for this study. Inclusion criteria were a Karnofsky performance status ≥80% and, according to the multidisciplinary tumor board, ineligibility for surgery or radiofrequency ablation...
March 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28490155/endoscopic-treatment-of-hypothalamic-hamartomas
#8
REVIEW
Kyu Won Shim, Eun Kyung Park, Dong-Seok Kim
Hypothalamic hamartoma (HH) is a benign indolent lesion despite the presentation of refractory epilepsy. Behavioral disturbances and endocrine problems are additional critical symptoms that arise along with HHs. Due to its nature of generating epileptiform discharge and spreading to cortical region, various management strategies have been proposed and combined. Surgical approaches with open craniotomy or endoscopy, stereotactic approaches with radiosurgery and gamma knife surgery or radiofrequency thermos-coagulation, and laser ablation have been introduced...
May 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28479523/lesion-optimization-for-laser-ablation-fluid-evacuation-prior-to-laser-induced-thermal-therapy
#9
Timothy Wong, Nitesh V Patel, Filipe Feiteiro, Shabbar F Danish, Simon Hanft
BACKGROUND: Magnetic Resonance Guided Laser-Induced Thermal Therapy (MRgLITT) is a minimally invasive surgical procedure for ablating intracranial lesions. However, the presence of a fluid body can sequester thermal energy generated by the laser catheter.1-5 This compromises the performance of MRgLITT, and results in suboptimal ablation of cystic lesions. The authors report their surgical approach, namely stereotactic fluid aspiration followed by MRgLITT, on two patients with cystic brain tumors...
May 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28463619/letter-to-the-editor-stereotactic-laser-ablation-for-hypothalamic-hamartomas-after-srs-failure
#10
Nicholas J Brandmeir, Michael D Sather
No abstract text is available yet for this article.
May 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28463162/stereotactic-ablative-radiation-therapy-for-pulmonary-metastases-histology-dose-and-indication-matter
#11
Joelle Helou, Isabelle Thibault, Ian Poon, Andrew Chiang, Suneil Jain, Hany Soliman, Darby Erler, Latifa Yeung, Patrick Cheung
PURPOSE: To assess the association between colorectal cancer (CRC) histology, dose, and local failure (LF) after stereotactic ablative radiation therapy (SABR) for pulmonary metastases, and to describe subsequent cancer progression, change of systemic therapy (CST), survival, and their association with treatment indications. METHODS AND MATERIALS: From a prospective SABR cohort, 180 pulmonary metastases in 120 patients were identified. Treatment indications were single metastasis, oligometastases, oligoprogression, and dominant areas of progression...
June 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28461786/prospective-evaluation-of-anxiety-depression-and-quality-of-life-in-medically-inoperable-early-stage-non-small-cell-lung-cancer-patients-treated-with-stereotactic-ablative-radiotherapy
#12
Jacek Rutkowski, Magdalena Szymanik, Maciej Blok, Joanna Kozaka, Renata Zaucha
AIM: The aim of this prospective study was to evaluate the level of anxiety, depression, and quality of life (QoL) in medically inoperable patients with early stage non-small cell lung cancer (NSCLC) treated with stereotactic ablative radiotherapy (SABR). BACKGROUND: Prolonged survival is equally important as maintaining high QoL and good psychological functioning during the treatment of lung cancer. Nowadays available SABR has markedly changed clinical care and outcomes in the group of medically inoperable patients...
May 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28460826/pulmonary-function-after-lung-tumor-stereotactic-ablative-radiotherapy-depends-on-regional-ventilation-within-irradiated-lung
#13
Michael S Binkley, Martin T King, Joseph B Shrager, Karl Bush, Aadel A Chaudhuri, Rita Popat, Michael F Gensheimer, Peter G Maxim, H Henry Guo, Maximilian Diehn, Viswam S Nair, Billy W Loo
PURPOSE: To determine if regional ventilation within irradiated lung volume predicts change in pulmonary function test (PFT) measurements after stereotactic ablative radiotherapy (SABR) of lung tumors. METHODS: We retrospectively identified 27 patients treated from 2007 to 2014 at our institution who received: (1) SABR without prior thoracic radiation; (2) pre-treatment 4-dimensional computed tomography (4-D CT) imaging; (3) pre- and post-SABR PFTs <15months from treatment...
May 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28457113/stereotactic-ablative-body-radiation-for-stage-i-lung-cancer-in-israel-a-retrospective-single-center-report
#14
Sarit Appel, Yaacov R Lawrence, Jeffery Goldstein, Raphael M Pfeffer, Ilana Weiss, Tatiana Rabin, Shira Felder, Maoz Ben-Ayun, Lev Tzvang, Dror Alezra, David Simansky, Alon Ben-Nun, Jair Bar, Zvi Symon
BACKGROUND: Stereotactic ablative radiation therapy (SABR) is the application of a very high radiation dose to a small treatment volume. It is the new standard of care in medically inoperable early-stage lung cancer. OBJECTIVES: To report the outcomes of SABR in stage I lung cancer at Sheba Medical Center since its introduction in 2009. METHODS: We conducted a retrospective chart review of patients with stage I lung cancer treated during the period 2009-2015...
January 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28454218/stereotactic-body-radiation-therapy-for-oligoprogression-of-metastatic-disease-from-gastrointestinal-cancers-a-novel-approach-to-extend-chemotherapy-efficacy
#15
Justin Wray, Rana Fawzi Hawamdeh, Nalini Hasija, Roi Dagan, Anamaria R Yeung, Judith L Lightsey, Paul Okunieff, Karen C Daily, Thomas J George, Robert A Zlotecki, Jose Trevino, Long H Dang
Chemotherapy and targeted therapies are effective palliative options for numerous unresectable or metastatic cancers. However, treatment resistance inevitably develops leading to mortality. In a subset of patients, systemic therapy appears to control the majority of tumors leaving 5 or less to progress, a phenomenon described as oligoprogression. Reasoning that the majority of lesions remain responsive to ongoing systemic chemotherapy, we hypothesized that local treatment of the progressing lesions would confer a benefit...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28452968/immunomodulatory-effect-of-stereotactic-ablative-radiotherapy-in-lung-cancer
#16
Joanna Domagała-Kulawik
No abstract text is available yet for this article.
April 28, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28449482/retrospective-analysis-of-stereotactic-ablative-radiotherapy-sabr-for-metastatic-lung-lesions-mlls-in-comparison-with-a-contemporaneous-cohort-of-primary-lung-lesions-plls
#17
Feras Oskan, Yvonne Dzierma, Stefan Wagenpfeil, Christian Rübe, Jochen Fleckenstein
BACKGROUND: The net benefit from local ablative therapy for pulmonary oligometastases remains unknown. The outcomes of stereotactic ablative radiotherapy (SABR) for metastatic lung lesions (MLLs) were analyzed retrospectively and compared with those of SABR for primary lung lesions (PLLs). METHODS: Medical records of patients treated with lung SABR between 2011 and 2014 were retrospectively reviewed. Basic patient, lesion and treatment characteristics were compared using the Pearson chi-square test for categorical and Mann-Whitney U test for continuous variables...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449450/stereotactic-ablative-body-radiation-therapy-or-surgery-for-operable-early-non-small-cell-lung-cancer-patients-bound-hand-and-foot-to-evidence
#18
EDITORIAL
Antonin Levy, Olaf Mercier, Cécile Le Péchoux
No abstract text is available yet for this article.
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28447313/stereotactic-ablative-radiation-therapy-for-brain-metastases-with-volumetric-modulated-arc-therapy-and-flattening-filter-free-delivery-feasibility-and-early-clinical-results
#19
Alba Fiorentino, Niccolò Giaj-Levra, Umberto Tebano, Rosario Mazzola, Francesco Ricchetti, Sergio Fersino, Gioacchino Di Paola, Dario Aiello, Ruggero Ruggieri, Filippo Alongi
AIM: For selected patients with brain metastases (BMs), the role of stereotactic radiosurgery (SRS) or fractionated stereotactic radiotherapy (SFRT) is well recognized. The recent introduction of flattening filter free (FFF) delivery during linac-based SRS or SFRT allows shorter beam-on-time, improving patients' comfort and facility workflow. Nevertheless, limited experiences evaluated the impact of FFF linac-based SRS and SFRT in BMs treatment. Aim of the current study was to analyze SRS/SFRT linac-based FFF delivery for BMs in terms of dosimetric and early clinical results...
April 26, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28433508/organs-at-risk-in-lung-sbrt
#20
REVIEW
F De Rose, D Franceschini, G Reggiori, A Stravato, P Navarria, A M Ascolese, S Tomatis, P Mancosu, M Scorsetti
Lung stereotactic body radiotherapy (SBRT) is an accurate and precise technique to treat lung tumors with high 'ablative' doses. Given the encouraging data in terms of local control and toxicity profile, SBRT has currently become a treatment option for both early stage lung cancer and lung oligometastatic disease in patients who are medically inoperable or refuse surgical resection. Dose-adapted fractionation schedules and ongoing prospective trials should provide further evidence of SBRT safety trying to reduce toxicities and complications...
April 19, 2017: Physica Medica: PM
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