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Multicenter approach to predict plan quality of robotic intracranial SRS/SRT.
Phys Med
December 2024
IRCCS San Raffaele Scientific Institute, Medical Physics, Milano, Italy.
Purpose: This study analyzed inter-institute conformity and dose gradient variability of CyberKnife (CK) brain SRS/SRT plans. The feasibility of multi-center predictive models was investigated, aiming at guided/automated planning optimization.
Methods: Data from 335 clinical plans, delivered for single lesions in 1-5 fractions, were collected by 8 CK centers.
Comparative Analysis of Dose Gradients and Valley Doses in Pelvic Lattice Radiotherapy in RapidArc and IMRT.
Asian Pac J Cancer Prev
November 2024
School of Advanced Sciences, Vellore Institute of Technology, Vellore, India.
Purpose: This study evaluated the dose fall off and valley dose percentage in pelvic cancer Lattice Radiotherapy (LRT) using various treatment techniques.
Methods: Forty five treatment plans were developed for 15 patients undergoing radiotherapy using a linear accelerator. Plans were categorized into three sets: RapidArc (RA), seven-field intensity-modulated radiation therapy (IMRT), and nine-field IMRT, both for high-dose (HD) vertices and the entire planning target volume (PTV).
Exploring stereotactic radiosurgery for tremor using the Varian cone planning system.
Phys Med
December 2024
Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN 37232, USA. Electronic address:
Background: Stereotactic radiosurgery (SRS) is an effective treatment for essential tremor (ET) and Parkinsonian tremor (PT). However, current treatment methods can be time-consuming and expose patients to unnecessary radiation. This study investigates the use of the Varian TrueBeam system with FFF beam modes as a potential solution for these issues.
View Article and Find Full Text PDFOptimizing normal tissue objectives (NTO) in eclipse treatment planning system (TPS) for stereotactic treatment of multiple brain metastases using non-coplanar RapidArc and comparison with HyperArc techniques.
Jpn J Radiol
November 2024
Department of Physics, School of Advanced Sciences, Vellore Institute of Technology (VIT), Chennai Campus, Vandalur - Kelambakkam Road, Chennai, Tamil Nadu, 600 127, India.
Purpose: To optimize NTO parameters in non-coplanar RapidArc (RA) stereotactic radiosurgery (SRS) for multiple brain metastases and compare them with HyperArc (HA) plans.
Materials And Methods: Thirty patients with multiple brain metastases, receiving 21 Gy prescriptions, were retrospectively enrolled, with lesions ranging from two to eight and volumes between 0.27 and 10.
Proton Therapy in Uveal Melanoma.
Cancers (Basel)
October 2024
New York Proton Center, New York, NY 10035, USA.
Uveal melanoma is the most common primary intraocular malignancy in adults. Treatment options for localized, early-stage disease include enucleation, brachytherapy, and proton beam therapy. This review aims to evaluate the role of proton therapy in the definitive management of uveal melanoma, focusing on its physics, radiobiology, treatment techniques, and associated outcomes.
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