Results 1 to 10 of about 154,641 (100)

Beam-Specific Spot Guidance and Optimization for PBS Proton Treatment of Bilateral Head and Neck Cancers [PDF]

open access: yesInternational Journal of Particle Therapy, 2021
Purpose: A multi-field optimization (MFO) technique that uses beam-specific spot placement volumes (SPVs) and spot avoidance volumes (SAVs) is introduced for bilateral head and neck (H&N) cancers.
Karla Leach, BS   +7 more
doaj   +1 more source

Deintensification Strategies Using Proton Beam Therapy for HPV-Related Oropharyngeal Cancer [PDF]

open access: yesInternational Journal of Particle Therapy, 2021
Oropharyngeal cancers related to the human papillomavirus are a growing segment of head and neck cancers throughout the world. These cancers are biologically and demographically unique with patients presenting at younger ages and with more curable ...
Mauricio E. Gamez, MD, Daniel J. Ma, MD
doaj   +1 more source

Outcomes and Toxicities of Nonmedullary Thyroid Tumors Treated with Proton Beam Radiation Therapy [PDF]

open access: yesInternational Journal of Particle Therapy, 2022
Purpose: Proton therapy is an emerging therapy for several malignancies owing to its favorable therapeutic ratio. There are very limited data on the use of proton therapy in the management of thyroid carcinoma.
Irini Youssef, MD   +11 more
doaj   +1 more source

Reducing Heart Dose with Protons and Cardiac Substructure Sparing for Mediastinal Lymphoma Treatment [PDF]

open access: yesInternational Journal of Particle Therapy, 2020
Purpose: Electrocardiogram-gated computed tomography with coronary angiography can be used for cardiac substructure sparing (CSS) optimization, which identifies and improves avoidance of cardiac substructures when treating with intensity modulated ...
Kekoa Taparra, MD, PhD   +16 more
doaj   +1 more source

Circulating Cell-Free DNA Correlates with Body Integral Dose and Radiation Modality in Prostate Cancer [PDF]

open access: yesInternational Journal of Particle Therapy, 2020
Purpose: The RadTox assay measures circulating cell-free DNA released in response to radiotherapy (RT)-induced tissue damage. The primary objectives for this clinical trial were to determine whether cell-free DNA numbers measured by the RadTox assay are (
Natalie A. Lockney, MD   +9 more
doaj   +1 more source

About elementary particles

open access: yesЛитьë и металлургия, 2023
It is shown that only stable particles can be elementary particles. The fundamental elementary particles are positive, negative and neutral particles of space.
V. Yu. Stetsenko
doaj   +1 more source

Accelerators, Gantries, Magnets and Imaging Systems for Particle Beam Therapy: Recent Status and Prospects for Improvement

open access: yesFrontiers in Oncology, 2022
The paper begins by emphasizing the clinical and commercial importance of proton or other charged particle such as carbon ion therapy, refers to the manufacturers of such systems of which more than 120 are installed or under construction worldwide by ...
Edward W. Collings   +3 more
doaj   +1 more source

The Effects of Combined Exposure to Simulated Microgravity, Ionizing Radiation, and Cortisol on the In Vitro Wound Healing Process

open access: yesCells, 2023
Human spaceflight is associated with several health-related issues as a result of long-term exposure to microgravity, ionizing radiation, and higher levels of psychological stress.
Wilhelmina E. Radstake   +19 more
doaj   +1 more source

Measuring Radiation Toxicity Using Circulating Cell-Free DNA in Prostate Cancer Patients [PDF]

open access: yesInternational Journal of Particle Therapy, 2021
Background: After radiation therapy (RT), circulating plasma cell-free DNA (cfDNA) released in response to RT damage to tissue can be measured within hours.
Natalie A. Lockney, MD   +9 more
doaj   +1 more source

Proton Sensing on the Ocular Surface: Implications in Eye Pain

open access: yesFrontiers in Pharmacology, 2021
Protons reaching the eyeball from exogenous acidic substances or released from damaged cells during inflammation, immune cells, after tissue injury or during chronic ophthalmic conditions, activate or modulate ion channels present in sensory nerve fibers
Núria Comes   +5 more
doaj   +1 more source

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