A technology for the calculation and manufacture of devices for shaping a proton beam in radiotherapy

Agapov, A. V.; Endzheichak, D.; Luchin, E. I.; Mitsyn, G. V.; Molokanov, A. G.; Shipulin, K. N.

doi:10.1134/s1547477112060027

Cited by 3 publications

(2 citation statements)

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“…Dosimetry (dose to water) was performed on a passive beam. A delivery system that included collimators and specially designed wax boluses was used to modify the proton beam to the irradiation plan.…”

Section: Methodsmentioning

confidence: 99%

Dose distribution at the Bragg peak: Dose measurements using EBT and RTQA gafchromic film set at two positions to the central beam axis

et al. 2017

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Section: Methodsmentioning

confidence: 99%

Dose distribution at the Bragg peak: Dose measurements using EBT and RTQA gafchromic film set at two positions to the central beam axis

et al. 2017

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“…In our facility at the Medico-Technical Complex in the Joint Institute for Nuclear Research (JINR, Dubna, Russia), we specialise in treating complex cases of Head and Neck tumours. In the case of 3D conformal proton radiotherapy, the diagnosis procedure and treatment plan includes the immobilisation of the region to be irradiated; diagnosis and topometric imaging of the target (X Ray computed tomography (CT) and Magnetic Resonance Imaging); image analysis, using the Three-Dimensional Treatment Planning System; and the manufacture of individual collimators and boluses [1]. An accurate treatment is based on correct CT values (Hounsfield Units, HU), which are then calibrated to relative proton stopping powers.…”

Section: Introductionmentioning

confidence: 99%

Effect of titanium dental implants on proton therapy delivered for head tumors: experimental validation using an anthropomorphic head phantom

et al. 2017

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A dosimetric experiment was performed at the Medico-Technical Complex in the Joint Institute for Nuclear Research, Dubna, to investigate the effects of metallic dental implants in the treatment of head and neck tumours with proton therapy. The goal of the study was to evaluate the 2D dose distributions of different clinical treatment plans measured in an anthropomorphic phantom, and compare them to predictions from a treatment planning system. The anthropomorphic phantom was sliced into horizontal segments. Two grade 4 Titanium implants were inserted between 2 slices, corresponding to a maxillary area. GafChromic EBT2 films were placed between the segments containing the implants to measure the 2D delivered dose. Two different targets were designed: the first target includes the dental implants in the isocentre, and in the second target, the proton beam is delivered through the implants, which are located at the entrance region of the Bragg curve. The experimental results were compared to the treatment plans made using our custom 3D Treatment Planning System, named RayTreat. To quantitatively determine differences in the isodose distributions (measured and calculated), the gamma index (3 mm, 3%) was calculated for 1Corresponding author. 2C. Oancea and K. Shipulin contributed equally to the study.

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Technology for bolus verification in proton therapy

Shipulin

Mytsin

Agapov

2015

Phys. Part. Nuclei Lett.

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A technology for the calculation and manufacture of devices for shaping a proton beam in radiotherapy

Cited by 3 publications

References 1 publication

Dose distribution at the Bragg peak: Dose measurements using EBT and RTQA gafchromic film set at two positions to the central beam axis

Dose distribution at the Bragg peak: Dose measurements using EBT and RTQA gafchromic film set at two positions to the central beam axis

Effect of titanium dental implants on proton therapy delivered for head tumors: experimental validation using an anthropomorphic head phantom

Technology for bolus verification in proton therapy

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