Whole-body dose equivalent including neutrons is similar for 6 MV and 15 MV IMRT, VMAT, and 3D conformal radiotherapy

Journal of Applied Clinical Medical Physics
Pascal Hauri, U Schneider

Abstract

This study investigates the difference in whole-body dose equivalent between 6 and 15 MV image-guided radiotherapy (IGRT) for the treatment of a rhabdomyosarcoma in the prostate. A previously developed model for stray radiation of the primary beam was improved and used to calculate the photon dose and photon energy in the out-of-field region for a radiotherapy patient. The dose calculated by the treatment planning system was fused with the model-calculated out-of-field dose, resulting in a whole-body photon dose distribution. The peripheral neutron dose equivalent was calculated using an analytical model from the literature. A daily cone beam CT dose was added to the neutron and photon dose equivalents. The calculated 3D dose distributions were compared to independent measurements conducted with thermoluminescence dosimeters and an anthropomorphic phantom. The dose contributions from the IGRT treatments of three different techniques applied with two nominal X-ray energies were compared using dose equivalent volume histograms (DEVHs). The calculated and measured out-of-field whole-body dose equivalents for the IGRT treatments agreed within (9 ± 10) % (mean and type A SD). The neutron dose equivalent was a minor contribution to t...Continue Reading

References

Aug 30, 2003·Medical Physics·Omar Chibani, Chang-Ming Charlie Ma
Apr 21, 2005·Medical Physics·Rebecca M HowellGary D Fullerton
Jul 2, 2005·International Journal of Radiation Oncology, Biology, Physics·Stephen F KryIsaac I Rosen
Oct 31, 2006·Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]·Uwe SchneiderBarbara Kaser-Hotz
Dec 13, 2006·Medical Physics·Stephen F KryMohammad Salehpour
Feb 9, 2008·Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]·Tilo WiezorekThomas G Wendt
May 23, 2008·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·A D Wrixon
Jan 17, 2009·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Stephen F KryDavid Followill
Apr 24, 2009·International Journal of Radiation Oncology, Biology, Physics·Ibrahima DialloFlorent de Vathaire
May 2, 2009·European Journal of Pharmaceutical Sciences : Official Journal of the European Federation for Pharmaceutical Sciences·Fátima L MotaEugénia A Macedo
Aug 15, 2009·Zeitschrift für medizinische Physik·Tilo WiezorekThomas G Wendt
May 3, 2011·Zeitschrift für medizinische Physik·Ndimofor ChoforBjörn Poppe
Jul 23, 2011·Medical Physics·Sarah B ScarboroStephen F Kry
Mar 9, 2012·Physics in Medicine and Biology·Ndimofor ChoforBjörn Poppe
Apr 19, 2012·Radiation Protection Dosimetry·P LonskiT Kron
Dec 3, 2013·Zeitschrift für medizinische Physik·Uwe SchneiderJürgen Besserer
Sep 18, 2015·Radiation Oncology·Uwe SchneiderJürgen Besserer
Aug 3, 2017·Journal of Applied Clinical Medical Physics·Pascal HauriUwe Schneider
Aug 16, 2017·Zeitschrift für medizinische Physik·Pascal Hauri, Uwe Schneider

❮ Previous
Next ❯

Citations

Jul 25, 2021·Zeitschrift für medizinische Physik·Pascal HauriUwe Schneider
Aug 10, 2021·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Ryo KakinoTakashi Mizowaki

❮ Previous
Next ❯

Methods Mentioned

BETA
X‐ray
chips

Software Mentioned

Varian Eclipse
Eclipse TPS
Simens

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.