Influence of beam incidence and irradiation parameters on stray neutron doses to healthy organs of pediatric patients treated for an intracranial tumor with passive scattering proton therapy
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- 作者：A. Bonfratea ; anthony.bonfrate@irsn.fr" class="auth_mail" title="E-mail the corresponding author ; J. Faraha ; jad.farah@irsn.fr" class="auth_mail" title="E-mail the corresponding author ; L. De Marzib ; S. Delacroixb ; J. Hé ; raultc ; R. Sayaha ; C. Leed ; W.E. Bolche ; I. Clairanda
- 关键词：Proton therapy ; Stray neutron doses ; Intracranial treatments ; Beam incidence
- 刊名：Physica Medica
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：32
- 期：4
- 页码：590-599
- 全文大小：590 K
文摘
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MC calculations were used to assess neutron doses to healthy organs.
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Lateral incidences induce more neutron doses than the anterior–superior incidence.
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Impact of some irradiation parameters on neutron doses changes with beam incidence.
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Investigations on internal neutron fluence and doses were carried out.
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Beam incidence impacts the fluence and energy of neutrons reaching the patient.