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CAMILO RUIZ MÉNDEZ
In this paper we describe the development of an stable, microfocus X-ray source driven
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by an ultrashort high intensity laser. This source follows a new route to high brightness
and small source size somewhere in the middle of low cost microfocus X-rays and large
scale synchroton facilities. We explore one application of this new type of sources with
emphasis on the stability of the source... -
Maria Cristina Battaglia (Centro Nacional de Aceleradores)
Added Value Industrial Engineering Solutions S.L.U. is an international company which provides technology-based services to innovative and challenging projects. Strongly focused on the development of outstanding devices, instruments, mechanisms and structures, their expertise covers design, manufacturing, assembly, tests and supply under ISO 9001 EN 9100, providing customers all the way up...
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Juan Peñas
At present, radioisotope production for medical imaging and treatment is principally done at conventional accelerators. Over the last decades, the use of ultraintense lasers for this purpose has been proposed and studied [1], as an alternative in terms of availability an size. These compact systems can accelerate, via laser-plasma interaction, charged particles like protons, ions or electrons...
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Wioletta Kozlowska (European Organization for Nuclear Research (CERN), Geneva, Switzerland, Medical University of Vienna, Vienna, Austria)
This work presents the recent developments of the FLUKA [1,2,3] Particle Therapy Tool [4]. FLUKA is a general-purpose Monte Carlo (MC), particle transport code, used for an extended range of applications including medical physics. Together with the support of its graphical user interface Flair [5,6], an easy-to use platform was developed for MC simulations in particle therapy. It has already...
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Claus Schmitzer (MedAustron)
MedAustron is an Cancer treatment and research facility specialized on hadron therapy. The heart of the facility is a synchrotron providing proton and carbon beams with energies of 62-252 MeV and 120-400 MeV/u respectively. Extracted beams are distributed via a xxx m long HEBT to 5 different beam lines in 4 irradiation rooms intensities ranging from 10e6-10e10 particles per second. New...
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Dr Miguel Angel Carvajal Rodríguez (University of Granada)
Characterization of commercial photo-devices as dose-rate sensors
M.A. Carvajal1, I. Ruiz-García1, J. Román-Raya2, J. Montes2, D. Guirado2, P. Escobedo1, A. Martínez-Olmos1, A.M. Lallena Rojo1 , A.J. Palma1
1 University of Granada, Granada, Spain
2 Universitary Hospital San Cecilio, Granada, SpainIntroduction. The main application of photodiodes, phototransistors is to measure...
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Prof. Bin Qin (Huazhong University of Science and Technology)
Design study of a lightweight superconducting gantry applied to proton therapy was performed at HUST. By using alternating-gradient (AG) CCT magnets, the footprint and weight of the gantry can be significant reduced. Meanwhile, a large momentum acceptance avoids the requirement of fast magnetic field change of superconducting magnets during tumor treatment. We presented a beam optics design...
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Dr Xu Liu (Huazhong University of Science and Technology)
Recently, the superconducting gantry is gained more and more attentions due to the advantages on the reduction of the footprint and weight. Aiming at the light weight gantry beamline with a large momentum acceptance, we proposed a superconducting gantry scheme employing a fast degrader, combined-function AG-CCT magnets and downstream scanning nozzle. To reduce the secondary neutrons on the...
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Dmitry Popov (Joint Institute for Nuclear Research)
SC230 a 230 MeV superconducting cyclotron designed in JINR. It is intended to be developed as a joint project with ASIPP. The cyclotron is designed for proton therapy and biomedical research. This presentation focuses on the results of the conceptual design of the accelerator. In the process of physical design, simulations of the magnetic and RF systems were carried out, the main...
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Andreas Schüller (Physikalisch-Technische Bundesanstalt (PTB))
The Physikalisch-Technische Bundesanstalt (PTB), Germany's national primary standard laboratory, operates a custom-designed electron LINAC for the generation of high energy electron and photon radiation for research in the field of dosimetry for radiation therapy. The beam energy of this LINAC is variable in the range from 0.5 MeV up to 50 MeV.
The preparation of a beam at a LINAC is an...
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Antonio Giuseppe Amico (MedAustron Ion Therapy Centre, Wiener Neustadt, Austria. Medical Physics School, University of Catania, Italy)
Purpose: Since December 2016 at the MedAustron Ion Therapy center (MA) patients have been treated with protons. The synchrotron accelerator is also able to deliver carbon ions with energies between 120 and 402.8 MeV/u (ranges from 2.9 to 27 cm in water). In this work we report the results of dosimetric commissioning of the pencil beam algorithm PBv3.0 available in the treatment planning...
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OLIVIA ADU-POKU (KOMFO ANOKYE TEACHING HOSPITAL)
ABSTRACT
In radiotherapy, treating of cancer patients require the use of immobilizing devices such as thermoplastic masks. These masks increase the patient skin doses, but its effect is normally overlooked. This work is done to determine the thermoplastic mask factor to compensate for it just as applied to trays and wedges. Measurements are done at source-to-suface distance of 80 cm for...
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Yunsheng Dong (INFN - National Institute for Nuclear Physics)
Charged Particle Therapy (CPT) is a highly effective method for treating several types of solid tumours. However, in heavy ion therapy nuclear inelastic interactions of the incident beam with the patient tissues lead to the break-up of the incident ion. The produced fragments of projectile have a longer range with respect to the primaries and lead to an undesirable dose deposition beyond the...
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Mr Felix Horst (THM Gießen, GSI Darmstadt)
Range uncertainties are among the major problems in modern particle therapy [1]. The measurement of the activation pattern induced by the beam with positron emission tomography (PET) is a promising technique for in-vivo range verification and is investigated at different facilities worldwide (e.g. CNAO in Italy) in different setups (in-beam, in-room, offline). The accuracy that can be achieved...
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Narender Kumar (University of Liverpool)
A beam profile monitor based on a supersonic gas-curtain is currently under development for transverse profile diagnostics of electron and proton beams in the High Luminosity LHC . This monitor uses a thin supersonic gas sheet that crosses the primary beam to be characterised under an angle of 45 degrees. The fluorescence caused by the interaction between the beam and gas-curtain is detected...
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Ewa Oponowicz (University of Manchester/Cockcroft Institute)
Introduction: Cyclotron-based proton therapy facilities use an energy degrader of variable thickness to deliver the beam of the energy required by treatment plan. Together with the energy reduction, the transverse size and energy spread increase. The collimation and energy selection systems downstream of the degrader cut the beam to match the following beamline, that introduces...
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Michael Seimetz (Instituto de Instrumentación para Imagen Molecular (I3M))
The transparent polymer polyallyl-diglycol-carbonate (PADC), also known as CR-39, is widely used for ion detection in laser-plasma interactions. It allows for detection of single protons and ions via formation of microscopic tracks after etching in NaOH or KOH solutions. PADC combines a high sensitivity and high specificity with inertness towards electromagnetic noise.
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We have developed... -
Dr José Manuel Quesada (University of Sevilla)
PENH was initially developed as the extension of PENENELOPE (a code system for Monte Carlo simulation of electron and photon transport), which incorporated the electromagnetic transport of protons aiming to its application to protontherapy. Nevertheless, the absence of nuclear interactions prevented the accurate estimation of the dose deposition along the beam axis in protontherapy...
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Elisa Fiorina (INFN - National Institute for Nuclear Physics)
In particle therapy, an on-line treatment verification device is highly required to reduce the uncertainty of the actual particle range during the patient irradiation and interfractional morphological changes. The final aim is to improve the robustness and effectiveness of the treatment in terms of conformity of the dose released to the target.
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The INSIDE bi-modal system is currently in the... -
Teresa Rodriguez Gonzalez (Universidad de Sevilla (ES))
In proton therapy, in-vivo PET range verification requires a comparison of the measured and expected β$^{+}$ activity distribution produced by the proton beam by means of nuclear reactions on the most abundant elements in the body of the patient: C, O, N and, to a lesser extent, P and Ca. The accuracy of the expected activity distributions depends on the accuracy of the Monte Carlo...
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Simon Busold (Varian Medical Systems Particle Therapy GmbH)
FLASH radiotherapy is a novel treatment modality, which promises reduced normal tissue toxicity while keeping the same tumor control. This so-called "FLASH effect" can be observed when delivering high doses of radiation in very short time and was demonstrated by Favaudon et al. in 2014 using a 4.5 MeV electron beam to irradiate mouse lungs in vivo. Since then multiple other experiments...
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Ms Selina Dhinsey (Department of Physics, University of Liverpool)
Proton therapy for cancer treatment is a rapidly growing field as increasing evidence suggests it induces more complex damage in DNA than photons [1]. Accurate comparison between the two requires quantification of the damage caused, one method being the comet assay [2]. The program discussed here, based on neural network architecture, aims to speed up analysis of comet assay images and provide...
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Mrs Micol De Simoni (Università di Roma "La Sapienza", Fisica, Rome, Italy)
The secondary neutrons produced in Particle Therapy treatments can travel along the path inside the patient and contribute with additional dose in-and out-of-field. This unwanted dose increases the risk of developing secondary cancers: late insurgences are particularly crucial in paediatric patients where the closeness of the organs and the recurrence onset strongly impacts the life...
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Magdalena Rafecas (Instituto de Fisica Corpuscular (IFIC), Universidad de Valencia/CSIC)
To fully exploit the advantages of therapeutic ion beams, on-line monitoring of the dose deposition would be highly desirable. At present, several methods have been proposed to determine the beam range using the secondary radiation originating from the interactions between the therapeutic beam and the tissues. Two main techniques are prompt gamma imaging (PGI) and positron emission tomography...
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