openPR - A computational tool for CT conversion assessment with proton radiography.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14571
Abstract: PURPOSE One of the main sources of uncertainty in proton therapy is the conversion of the Hounsfield Units of the planning CT to (relative) proton stopping powers. Proton radiography provides range error maps but these… read more here.
Keywords: proton radiography; uncertainty; computational tool; conversion ... See more keywords
Analysis of characteristics of images acquired with a prototype clinical proton radiography system.
Sign Up to like & getrecommendations! Published in 2021 at "Medical physics"
DOI: 10.1002/mp.14801
Abstract: PURPOSE Verification of patient specific proton stopping powers obtained in the patient's treatment position can be used to reduce the distal and proximal margins needed in particle beam planning. Proton radiography can be used as… read more here.
Keywords: phantom; system; proton; radiography system ... See more keywords
Pre-treatment patient-specific stopping power by combining list-mode proton radiography and x-ray CT.
Sign Up to like & getrecommendations! Published in 2017 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aa7c42
Abstract: The relative stopping power (RSP) uncertainty is the largest contributor to the range uncertainty in proton therapy. The purpose of this work was to develop a systematic method that yields accurate and patient-specific RSPs by… read more here.
Keywords: proton; see text; formula see; rsp ... See more keywords
A single detector energy-resolved proton radiography system: a proof of principle study by Monte Carlo simulations.
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aaf96f
Abstract: Taking advantage of Bragg peak and small spot size, pencil beam scanning proton therapy can deliver a highly conformal dose distribution to target while sparing normal tissues. However, such dose distributions can be highly sensitive… read more here.
Keywords: energy resolved; monte carlo; proton; radiography ... See more keywords
Proton radiography and computed tomography with dynamic water range shifter
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/12/04/p04004
Abstract: We introduce a novel dynamic water range shifter (DWRS) that enables range shifting of a mono-energetic proton beam for the purpose of obtaining a water equivalent path length (WEPL). A scintillation screen and a charge-coupled… read more here.
Keywords: dynamic water; proton radiography; proton; range ... See more keywords
Machine learning applied to proton radiography of high-energy-density plasmas.
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review E"
DOI: 10.1103/physreve.95.043305
Abstract: Proton radiography is a technique extensively used to resolve magnetic field structures in high-energy-density plasmas, revealing a whole variety of interesting phenomena such as magnetic reconnection and collisionless shocks found in astrophysical systems. Existing methods… read more here.
Keywords: density plasmas; high energy; proton; proton radiography ... See more keywords
Combined proton radiography and irradiation for high-precision preclinical studies in small animals
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Oncology"
DOI: 10.3389/fonc.2022.982417
Abstract: Background and purpose Proton therapy has become a popular treatment modality in the field of radiooncology due to higher spatial dose conformity compared to conventional radiotherapy, which holds the potential to spare normal tissue. Nevertheless,… read more here.
Keywords: high precision; proton radiography; proton; irradiation ... See more keywords