M.A. Duch
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View article: Salvage chemotherapy after progression on immunotherapy in recurrent/metastatic squamous cell head and neck carcinoma
Salvage chemotherapy after progression on immunotherapy in recurrent/metastatic squamous cell head and neck carcinoma Open
Objectives Anti-PD-(L)1 agents changed the landscape of recurrent or metastatic head and neck squamous cell carcinoma (R/M HNSCC) treatment. Previous studies showed improved response rates to salvage chemotherapy (SCT) after progression to…
View article: Scintillation and structural properties of copolymers and mixtures of styrene, 9-vinylcarbazole and 4-vinylbenzyl chloride based plastic scintillators
Scintillation and structural properties of copolymers and mixtures of styrene, 9-vinylcarbazole and 4-vinylbenzyl chloride based plastic scintillators Open
The research team has developed new plastic scintillators in the form of microspheres, called PSm, by combining styrene, 9-vinylcarbazole (VK), and 4-vinylbenzyl chloride (VBC). The primary objective of this study was to explore the feasib…
View article: The Mapping of Alpha-Emitting Radionuclides in the Environment Using an Unmanned Aircraft System
The Mapping of Alpha-Emitting Radionuclides in the Environment Using an Unmanned Aircraft System Open
The protection of first responders from radioactive contamination with alpha emitters that may result from a radiological accident is of great complexity due to the short range of alpha particles in the air of a few centimeters. To overcom…
View article: Mapping of Alpha-Emitting Radionuclides in the Environment Using an Unmanned Aircraft System
Mapping of Alpha-Emitting Radionuclides in the Environment Using an Unmanned Aircraft System Open
The protection of first responders from radioactive contamination of alpha emitters that may result from a radiological accident is of great complexity due to the short range of the alpha particle in air of a few cm. To overcome this issue…
View article: Validation of an in vivo transit dosimetry algorithm using Monte Carlo simulations and ionization chamber measurements
Validation of an in vivo transit dosimetry algorithm using Monte Carlo simulations and ionization chamber measurements Open
Purpose Transit dosimetry is a safety tool based on the transit images acquired during treatment. Forward‐projection transit dosimetry software, as PerFRACTION, compares the transit images acquired with an expected image calculated from th…
View article: Mapping of Alpha-Emitting Radionuclides in the Environment Using an Unmanned Aircraft System
Mapping of Alpha-Emitting Radionuclides in the Environment Using an Unmanned Aircraft System Open
The protection of first responders from radioactive contamination that may result from a radiological accident is of great importance and complexity. The complexity of detecting and quantifying such radioactive contamination is very high w…
View article: Dose assesment with fast Monte Carlo codes in interventional radiology
Dose assesment with fast Monte Carlo codes in interventional radiology Open
This study presents the performance of two fast Monte Carlo codes, PENELOPE/penEasyIR and MCGPU-IR in order to assess operator doses in interventional radiology. In particular, it aims to validate the calculations when workers are protecte…
View article: PyMCGPU-IR Monte Carlo code test for occupational dosimetry
PyMCGPU-IR Monte Carlo code test for occupational dosimetry Open
PyMCGPU-IR is an innovative occupational dose monitoring tool for interventional radiology procedures. It reads the radiation data from the Radiation Dose Structured Report of the procedure and combines this information with the position o…
View article: Gamma passing rates of daily EPID transit images correlate to PTV coverage for breast cancer IMRT treatment plans
Gamma passing rates of daily EPID transit images correlate to PTV coverage for breast cancer IMRT treatment plans Open
Purpose The use of the transit image obtained with the electronic portal‐imaging device (EPID) is becoming an extended method to perform in‐vivo dosimetry. The transit images acquired during each fraction can be compared with a predicted i…
View article: Feasibility study of computational occupational dosimetry: evaluating a proof-of-concept in an endovascular and interventional cardiology setting
Feasibility study of computational occupational dosimetry: evaluating a proof-of-concept in an endovascular and interventional cardiology setting Open
Individual monitoring of radiation workers is essential to ensure compliance with legal dose limits and to ensure that doses are As Low As Reasonably Achievable. However, large uncertainties still exist in personal dosimetry and there are …
View article: Validation of organ dose calculations with PyMCGPU-IR in realistic interventional set-ups
Validation of organ dose calculations with PyMCGPU-IR in realistic interventional set-ups Open
PyMCGPU-IR offers both, high performance and accuracy for dose assessment when compared with skin and organ dose measurements. It also allows the calculation of dose values at specific positions and organs, the dose distribution and the lo…
View article: PERSONAL DOSIMETRY USING MONTE-CARLO SIMULATIONS FOR OCCUPATIONAL DOSE MONITORING IN INTERVENTIONAL RADIOLOGY: THE RESULTS OF A PROOF OF CONCEPT IN A CLINICAL SETTING
PERSONAL DOSIMETRY USING MONTE-CARLO SIMULATIONS FOR OCCUPATIONAL DOSE MONITORING IN INTERVENTIONAL RADIOLOGY: THE RESULTS OF A PROOF OF CONCEPT IN A CLINICAL SETTING Open
Exposure levels to staff in interventional radiology (IR) may be significant and appropriate assessment of radiation doses is needed. Issues regarding measurements using physical dosemeters in the clinical environment still exist. The obje…
View article: Overview of passive area dosimetry systems used in European countries
Overview of passive area dosimetry systems used in European countries Open
EURADOS Working Group 3 (WG3) aims at providing information about the correct measurement of the ambient dose equivalent, short H*(10), in the environment and has a specific subgroup (WG3-SG2) that focuses on passive environmental dosimetr…
View article: Validation of the MC-GPU Monte Carlo code against the PENELOPE/penEasy code system and benchmarking against experimental conditions for typical radiation qualities and setups in interventional radiology and cardiology
Validation of the MC-GPU Monte Carlo code against the PENELOPE/penEasy code system and benchmarking against experimental conditions for typical radiation qualities and setups in interventional radiology and cardiology Open
It has been verified that MC-GPU provides good estimates of the dose when compared to PENELOPE program. It is also shown that it presents very good performance when assessing organ doses in very short times, less than one minute, in real c…
View article: Dose calculations in aircrafts after Fukushima nuclear power plant accident – Preliminary study for aviation operations
Dose calculations in aircrafts after Fukushima nuclear power plant accident – Preliminary study for aviation operations Open
There is little information to decision support in air traffic management in case of nuclear releases into the atmosphere. In this paper, the dose estimation due to both, external exposure (i.e. cloud immersion, deposition inside and outsi…