Results 41 to 50 of about 43,614 (295)

Simultaneous optimization of isocenter locations and sector duration in radiosurgery [PDF]

, 2018
Stereotactic radiosurgery is an effective technique to treat brain tumors for which several inverse planning methods may be appropriate. We propose an integer programming model to simultaneous sector duration and isocenter optimization (SDIO) problem for Leksell Gamma Knife{\textregistered} Icon{\texttrademark} (Elekta, Stockholm, Sweden) to tractably ...
arxiv   +1 more source

Systemic therapy‐based split‐course stereotactic body radiation therapy

Precision Radiation Oncology, Volume 6, Issue 4, Page 306-320, December 2022., 2022
Abstract Purpose Given the therapeutic toxicity of concurrent chemoradiotherapy, the dose of chemotherapy is always limited. Hence, the question of how to administer adequate chemotherapy to synchronize stereotactic body radiation therapy (SBRT) treatment strategy for maximizing the benefits of neoadjuvant therapy to improve prognosis is a challenging ...
Rong Zheng, Bisi Wang, Feihong Liang, Benhua Xu   +3 more
wiley   +1 more source

A linear programming approach to inverse planning in Gamma Knife radiosurgery [PDF]

Medical Physics, vol. 46, issue 4 (2019), pages 1533-1544, 2018
Leksell Gamma Knife is a stereotactic radiosurgery system that allows fine-grained control of the delivered dose distribution. We describe a new inverse planning approach that both resolves shortcomings of earlier approaches and unlocks new capabilities.
arxiv   +1 more source

Critical appraisal of the role of volumetric modulated arc therapy in the radiation therapy management of breast cancer

Radiation Oncology, 2017
Background The aim of this review is the critical appraisal of the current use of volumetric modulated arc therapy for the radiation therapy management of breast cancer. Both clinical and treatment planning studies were investigated. Material and methods
Luca Cozzi, Frank Lohr, Antonella Fogliata, Davide Franceschini, Fiorenza De Rose, A R Filippi, Gabriele Guidi, Valentina Vanoni, Marta Scorsetti   +8 more
doaj   +1 more source

Predictive value of pituitary tumor morphology on outcomes and complications in endoscopic transsphenoidal surgery

World Journal of Otorhinolaryngology - Head and Neck Surgery, Volume 8, Issue 4, Page 321-329, December 2022., 2022
Abstract Purpose Endoscopic transsphenoidal surgery (ETSS) is an increasingly utilized approach for resection of pituitary tumors. Prior studies have evaluated preoperative tumor size, location, and extent as prognostic factors for surgical resection. There is little data on the relationship between preoperative pituitary tumor radiographic morphology ...
Andrew T. Heffernan, Joseph K. Han, John Campbell, James Reese, William G. Day, Joshua Edwards, Ran V. Singh, Wylie Zhu, Kent K. Lam   +8 more
wiley   +1 more source

Searching for Point Locations using Lines [PDF]

arXiv, 2021
Versions of the following problem appear in several topics such as Gamma Knife radiosurgery, studying objects with the X-ray transform, the 3SUM problem, and the $k$-linear degeneracy testing. Suppose there are $n$ points on a plane whose specific locations are unknown. We are given all the lines that go through the points with a given slope.
arxiv  

Radiosurgery for Arteriovenous Malformations

JBNC - JORNAL BRASILEIRO DE NEUROCIRURGIA, 2011
Radiosurgery has become a popular alternative to microsurgery for small arteriovenous malformations (AVM). Numerous reports document high obliteration rates (around 80%) and low radiation induced complication rates (around 2%). Gamma knife, linear accelerator, and particle beam systems are all viable options.
William A. Friedman, Frank J. Bova
openaire   +6 more sources

Variations in whole brain radiation therapy fractionation for brain metastases in Victoria

Journal of Medical Imaging and Radiation Oncology, Volume 66, Issue 8, Page 1106-1114, December 2022., 2022
Abstract Introduction We aim to evaluate the use of different whole brain radiation therapy (WBRT) fractionation schedules for brain metastases (BM) in Victoria, and the factors associated with it. Methods This is a population‐based cohort of patients who received radiation therapy for BM between 2012 and 2017, as captured in the Victorian Radiotherapy
Lessandra Yan Shan Chee, Joseph Sia, Roger L Milne, Farshad Foroudi, Jeremy L Millar, Wee Loon Ong   +5 more
wiley   +1 more source

Radiomics based analysis to predict local control and survival in hepatocellular carcinoma patients treated with volumetric modulated arc therapy

BMC Cancer, 2017
Background To appraise the ability of a radiomics based analysis to predict local response and overall survival for patients with hepatocellular carcinoma.
Luca Cozzi, Nicola Dinapoli, Antonella Fogliata, Wei-Chung Hsu, Giacomo Reggiori, Francesca Lobefalo, Margarita Kirienko, Martina Sollini, Davide Franceschini, Tiziana Comito, Ciro Franzese, Marta Scorsetti, Po-Ming Wang   +12 more
doaj   +1 more source

An optimal dose‐fractionation for stereotactic body radiotherapy in peripherally, centrally and ultracentrally located early‐stage non‐small lung cancer

Thoracic Cancer, 2023
Stereotactic body radiotherapy (SBRT), also known as stereotactic ablative radiotherapy (SABR), is commonly used in inoperable patients with early‐stage non‐small lung cancer (NSCLC).
Izabela Zarębska, Maciej Harat
doaj   +1 more source