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Radiosurgery

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https://www.readbyqxmd.com/read/28640703/integrating-evidence-based-medicine-for-treatment-of-spinal-metastases-into-a-decision-framework-neurologic-oncologic-mechanicals-stability-and-systemic-disease
#1
Ori Barzilai, Ilya Laufer, Yoshiya Yamada, Daniel S Higginson, Adam M Schmitt, Eric Lis, Mark H Bilsky
Patients with cancer are frequently affected by spinal metastases. Treatment is palliative, with the principle goals of pain relief, preservation of neurologic function, and improvement in quality of life. In the past decade, we have witnessed a dramatic change in the treatment paradigms due to the development of improved surgical strategies and systemic and radiation therapy. The most important change to these paradigms has been the integration of spinal stereotactic radiosurgery (SSRS), allowing delivery of tumoricidal radiation doses with sparing of nearby organs at risk...
June 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28633510/in-reply-stereotactic-radiosurgery-for-cystic-vestibular-schwannomas
#2
Michael J Link
No abstract text is available yet for this article.
June 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28633492/letter-stereotactic-radiosurgery-for-cystic-vestibular-schwannomas
#3
Eduardo de Arnaldo Silva Vellutini, Matheus Fernandes de Oliveira
No abstract text is available yet for this article.
June 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28626600/distant-brain-recurrence-in-patients-with-five-or-more-newly-diagnosed-brain-metastases-treated-with-focal-stereotactic-radiotherapy-alone
#4
Olivia Claire Barrett, Andrew M McDonald, Jonathan W Thompson, Markus Bredel, Gerald McGwin, Kristen O Riley, John B Fiveash
BACKGROUND: To assess the clinical outcomes in patients with greater than 4 newly diagnosed brain metastases treated with focal stereotactic radiotherapy alone. METHODS: All patients with five or more brain metastases who received focal radiotherapy without whole brain radiation or resection were included in this retrospective analysis. Distant brain failure (DBF), overall survival (OS) and toxicity were reported. RESULTS: Thirty-six patients met inclusion with median clinical follow-up of 6...
2017: Journal of Radiosurgery and SBRT
https://www.readbyqxmd.com/read/28625906/the-impact-of-associated-nidal-lesions-in-outcome-of-brain-arteriovenous-malformations-after-radiosurgery-with-or-without-embolization
#5
Carlos Michel A Peres, Evandro Cesar de Souza, Manoel Jacobsen Teixeira, Eberval G Figueiredo, Jose Guilherme M P Caldas
BACKGROUND: Radiosurgery is a valuable option to treat arteriovenous malformations. There are correlations between some morphological nidal features and final results, and the benefits of preradiosurgical embolization have not been well established thus far. METHODS: Analysis of a longitudinal cohort of 47 consecutive patients who underwent radiosurgery with or without previous embolization. Embolizations were performed exclusively with n-butyl cyanoacrylate. Radiosurgery was delivered either as a single or divided in up to 5 equal fractions...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28625644/treatment-options-for-egfr-mutant-nsclc-with-cns-involvement-can-patients-bloom-with-the-use-of-next-generation-egfr-tkis
#6
REVIEW
Chee-Seng Tan, Byoung Chul Cho, Ross A Soo
With the use of EGFR TKIs, patient survival is now prolonged and as a consequence, a higher chance of development of CNS metastases has been observed during the course of the disease. CNS metastases remains a therapeutically challenging subset of patient to treat owing to the blood-brain barrier (BBB). Prior to routine EGFR mutation testing, surgical resection, stereotactic radiosurgery and/or whole brain radiation therapy (WBRT) were the main treatment options whereas treatment options for patients with leptomeningeal metastases (LM) included intra-thecal chemotherapy, WBRT, and ventriculo-peritoneal shunting...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28621622/glossopharyngeal-neuralgia-treated-by-gamma-knife-radiosurgery-safety-and-efficacy-through-long-term-follow-up
#7
Benjamin Pommier, Gustavo Touzet, Christian Lucas, Maximilien Vermandel, Serge Blond, Nicolas Reyns
OBJECTIVE Glossopharyngeal neuralgia (GPN) is a rare and disabling condition. Just as for trigeminal neuralgia, Gamma Knife radiosurgery (GKRS) is increasingly proposed as a therapeutic option for GPN. The purpose of this study was to assess long-term safety and efficacy of GKRS for this indication. METHODS From 2007 to 2015, 9 patients (4 male and 5 female) underwent a total of 10 GKRS procedures. All of the patients presented with GPN that was refractory to all medical treatment, and all had a long history of pain...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28620750/high-precision-radiotherapy-for-meningiomas-long-term-results-and-patient-reported-outcome-pro
#8
Kerstin A Kessel, Hanna Fischer, Markus Oechnser, Claus Zimmer, Bernhard Meyer, Stephanie E Combs
OBJECTIVE: To evaluate long-term outcome after high-precision radiotherapy (RT) of meningioma patients in terms of survival and side effects. METHODS: We analyzed 275 meningioma cases: 147 low-grade and 43 high-grade meningiomas (WHO II: n = 40, III: n = 3). In all, 85 patients had no pathologically confirmed histology but were determined as low-grade based on multimodal imaging. Surgery was performed in 183 cases. RT was delivered as either radiosurgery (RS, n = 16), fractionated stereotactic radiotherapy (FSRT, n = 241), or intensity-modulated radiation therapy (IMRT, n = 18)...
June 15, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28619837/differentiation-between-treatment-induced-necrosis-and-recurrent-tumors-in-patients-with-metastatic-brain-tumors-comparison-among-11-c-methionine-pet-fdg-pet-mr-permeability-imaging-and-mri-adc-preliminary-results
#9
N Tomura, M Kokubun, T Saginoya, Y Mizuno, Y Kikuchi
BACKGROUND AND PURPOSE: In patients with metastatic brain tumors after gamma knife radiosurgery, the superiority of PET using (11)C-methionine for differentiating radiation necrosis and recurrent tumors has been accepted. To evaluate the feasibility of MR permea- bility imaging, it was compared with PET using (11)C-methionine, FDG-PET, and DWI for differentiating radiation necrosis from recurrent tumors. MATERIALS AND METHODS: The study analyzed 18 lesions from 15 patients with metastatic brain tumors who underwent gamma knife radiosurgery...
June 15, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28616720/quality-of-life-after-whole-brain-radiotherapy-compared-with-radiosurgery-of-the-tumor-bed-results-from-a-randomized-trial
#10
L Kepka, D Tyc-Szczepaniak, K Osowiecka, A Sprawka, B Trąbska-Kluch, B Czeremszynska
BACKGROUND: A recent randomized trial (NCT01535209) demonstrated no difference in neurocognitive function between stereotactic radiotherapy of the tumor bed (SRT-TB) and whole brain radiotherapy (WBRT) in patients with resected single brain metastasis. Patients treated with SRT-TB had lower overall survival compared with the WBRT arm. Here, we compared the health-related quality of life (HRQOL) in patients who received WBRT vs. SRT-TB. METHODS: A self-reported questionnaire was used to assess HRQOL (EORTC QLQ-C30 with the QLQ-BN20 module) before RT, 2 months after RT, and every 3 months thereafter...
June 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28614989/a-challenging-entity-of-endovascular-embolization-with-onyx-for-brainstem-arteriovenous-malformation-experience-from-13-cases
#11
Hengwei Jin, Zhan Liu, Qing Chang, Chang Chen, Huijian Ge, Xianli Lv, Youxiang Li
Objective Brainstem arteriovenous malformations (AVMs) are rare lesions with a high risk of intracranial hemorrhage and are challenging to treat. We present our experience of endovascular embolization with Onyx in these aggressive lesions. Materials and methods Between 2007 and 2016, 13 patients with brainstem AVMs were embolized with Onyx at our center. Twelve patients presented with intracranial hemorrhage and one with headache. Retrospective examinations of patient demographics, clinical presentation, angiographic features, treatment modalities, postoperative complications and outcomes were carried out...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28607829/adaptive-hypofractionated-gamma-knife-radiosurgery-in-the-acute-management-of-large-thymic-carcinoma-brain-metastases
#12
Georges Sinclair, Heather Martin, Michael Fagerlund, Amir Samadi, Hamza Benmakhlouf, Ernest Doodo
BACKGROUND: Brain metastases often lead to serious neurological impairment and life threatening states. Their acute management remains complex, particularly in the case of rare malignancies with aggressive evolution. In large single lesions, open surgery followed by radiation to the surgical cavity is widely regarded as the best approach; yet in many cases, microsurgery is not feasible due to the lesion's critical location and/or the number of brain metastases present. We report the effects of adaptive hypofractionated gamma knife radiosurgery in the acute management of critically located thymic carcinoma metastases...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28607821/frameless-image-guided-radiosurgery-for-trigeminal-neuralgia
#13
Lisa B E Shields, Todd S Shanks, Andrew J Shearer, Lauren A Shelton, Brent J Shelton, Jonathan Howe, James M Coons, Brian Plato, Aaron C Spalding
BACKGROUND: Frameless image-guided radiosurgery (IGRS) is a safe and effective noninvasive treatment for trigeminal neuralgia (TN). This study evaluates the use of frameless IGRS to treat patients with refractory TN. METHODS: We reviewed the records of 20 patients diagnosed with TN who underwent frameless IGRS treatments between March 2012 and December 2013. Facial pain was graded using the Barrow Neurological Institute (BNI) scoring system. The initial setup uncertainty from simulation to treatment and the patient intrafraction uncertainty were measured...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28605737/a-nationwide-study-of-stereotactic-radiosurgery-in-a-newly-diagnosed-spine-metastasis-population
#14
Seil Sohn, Jinhee Kim, Chun Kee Chung, Na Rae Lee, Ung-Kyu Chang, Moon Jun Sohn
BACKGROUND: Stereotactic radiosurgery (SRS), a technique that is emerging as a new treatment option, has been reported to be an effective, noninvasive treatment for spine metastasis patients. OBJECTIVE: This nationwide study aimed to understand the current state of SRS for spine metastasis. METHODS: Patients in this study were first diagnosed with a metastatic spine tumor between 1 July and 31 December 2011. One group (the SRS group) received SRS at least once within 1 year of diagnosis and the other (the non-SRS group) did not receive SRS...
June 13, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28605551/abc-2-method-does-not-accurately-predict-cerebral-arteriovenous-malformation-volume
#15
Christopher Roark, Venu Vadlamudi, Neeraj Chaudhary, Joseph J Gemmete, Joshua Seinfeld, B Gregory Thompson, Aditya S Pandey
BACKGROUND: Stereotactic radiosurgery (SRS) is a treatment option for cerebral arteriovenous malformations (AVMs) to prevent intracranial hemorrhage. The decision to proceed with SRS is usually based on calculated nidal volume. Physicians commonly use the ABC/2 formula, based on digital subtraction angiography (DSA), when counseling patients for SRS. OBJECTIVE: To determine whether AVM volume calculated using the ABC/2 method on DSA is accurate when compared to the exact volume calculated from thin-cut axial sections used for SRS planning...
June 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28605532/pet-imaging-in-patients-with-meningioma-report-of-the-rano-pet-group
#16
Norbert Galldiks, Nathalie L Albert, Michael Sommerauer, Anca L Grosu, Ute Ganswindt, Ian Law, Matthias Preusser, Emilie Le Rhun, Michael A Vogelbaum, Gelareh Zadeh, Frédéric Dhermain, Michael Weller, Karl-Josef Langen, Jörg C Tonn
Meningiomas are the most frequent non-glial primary brain tumors and represent about 30% of brain tumors. Usually, diagnosis and treatment planning are based on neuroimaging using mainly magnetic resonance imaging (MRI) or rarely computed tomography (CT). Most common treatment options are neurosurgical resection and radiotherapy, e.g., radiosurgery or external fractionated radiotherapy. For follow-up after treatment, structural imaging techniques such as MRI or CT are used. However, these structural imaging modalities have limitations, particularly in terms of tumor delineation as well as diagnosis of posttherapeutic reactive changes...
June 12, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28605463/stereotactic-radiosurgery-and-hypofractionated-radiotherapy-for-glioblastoma
#17
Jennifer L Shah, Gordon Li, Jenny L Shaffer, Melissa I Azoulay, Iris C Gibbs, Seema Nagpal, Scott G Soltys
Glioblastoma is the most common primary brain tumor in adults. Standard therapy depends on patient age and performance status but principally involves surgical resection followed by a 6-wk course of radiation therapy given concurrently with temozolomide chemotherapy. Despite such treatment, prognosis remains poor, with a median survival of 16 mo. Challenges in achieving local control, maintaining quality of life, and limiting toxicity plague treatment strategies for this disease. Radiotherapy dose intensification through hypofractionation and stereotactic radiosurgery is a promising strategy that has been explored to meet these challenges...
June 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28604998/role-of-radiotherapy-in-the-treatment-of-renal-cell-cancer-updated-and-critical-review
#18
Vincenzo Fusco, Salvatore Parisi, Barbara d'Andrea, Michele Troiano, Maria Antonietta Clemente, Franco Morelli, Rocchina Caivano, Giuseppe Guglielmi
PURPOSE: The growing incidence of renal cell carcinoma (RCC) raises many questions about the management of these patients. The late clinical presentation, the presence of locally advanced or metastatic disease at diagnosis, the difficulty of radical surgical excision, and radioresistance make it one of the more challenging tumors to treat. The primary objective of this article is to propose an updated and critical review of the role of radiotherapy (RT) in the treatment of RCC. METHODS: This literature review is based on data from meta-analyses and randomized, prospective, and retrospective studies...
June 6, 2017: Tumori
https://www.readbyqxmd.com/read/28602924/spontaneous-regression-of-a-hypoglossal-neurinoma-a-case-report-and-review-of-the-literature
#19
Xavier A Santander, Carlos E Cotúa, Cristóbal Saldaña
We present the case of a 54-year-old lady with a right 12(th) nerve neurinoma with ipsilateral hemiatrophy of the tongue and spontaneous regression after 1 year of follow-up. The management choices range from surgery, as the gold standard, to radiosurgery or a combination of both. Our case highlights the importance of considering careful observation and diligent follow-up as a modality of treatment as these lesions can show spontaneous regression with no invasive approaches.
June 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28602418/use-of-stereotactic-radiosurgery-in-elderly-and-very-elderly-patients-with-brain-metastases-to-limit-toxicity-associated-with-whole-brain-radiation-therapy
#20
Linda Chen, Colette Shen, Kristin J Redmond, Brandi R Page, Megan Kummerlowe, Todd Mcnutt, Chetan Bettegowda, Daniele Rigamonti, Michael Lim, Lawrence Kleinberg
PURPOSE: We evaluated the toxicity associated with stereotactic radiosurgery (SRS) and whole brain radiation therapy (WBRT) in elderly and very elderly patients with brain metastases, as the role of SRS in geriatric patients who would traditionally receive WBRT is unclear. METHODS AND MATERIALS: We conducted a retrospective review of elderly patients (aged 70-79 years) and very elderly patients (aged ≥80 years) with brain metastases who underwent RT from 2010 to 2015 at Johns Hopkins Hospital...
July 15, 2017: International Journal of Radiation Oncology, Biology, Physics
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