Hugo Freitas
German Cancer Research Center
IrradiationCancerRadiologyProstateProton therapyProstate cancerRectumRadiation therapyMedicineGamma ray
1Publications
1H-index
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Publications 2
Newest
#1Hugo Freitas (DKFZ: German Cancer Research Center)H-Index: 1
#2Paulo Magalhaes Martins (University of Lisbon)H-Index: 4
Last. Joao Seco (DKFZ: German Cancer Research Center)H-Index: 32
view all 6 authors...
The number of radiotherapy patients treated with protons has increased from less than 60,000 in 2007 to more than 220,000 in 2019. However, the considerable uncertainty in the positioning of the Bragg peak deeper in the patient raised new challenges in the proton therapy of prostate cancer (PCPT). Here, we describe and share a dataset where 43 single-spot anterior beams with defined proton energies were delivered to a prostate phantom with an inserted endorectal balloon (ERB) filled either with ...
Source
#1Paulo Magalhaes Martins (University of Lisbon)H-Index: 4
#2Hugo Freitas (DKFZ: German Cancer Research Center)H-Index: 1
Last. Joao Seco (DKFZ: German Cancer Research Center)H-Index: 32
view all 6 authors...
Proton therapy of prostate cancer (PCPT) was linked with increased levels of gastrointestinal toxicity in its early use compared to intensity-modulated radiation therapy (IMRT). The higher radiation dose to the rectum by proton beams is mainly due to anatomical variations. Here, we demonstrate an approach to monitor rectal radiation exposure in PCPT based on prompt gamma spectroscopy (PGS). Endorectal balloons (ERBs) are used to stabilize prostate movement during radiotherapy. These ERBs are usu...
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