Study of neutron dose equivalent at the HIRFL deep tumor therapy terminal
نویسندگان
چکیده
منابع مشابه
10B Concentration, Phantom Size and Tumor Location Dependent Dose Enhancement and Neutron Spectra in Boron Neutron Capture Therapy
Background: The amount of average dose enhancement in tumor loaded with 10B may vary due to various factors in boron neutron capture therapy.Objective: This study aims to evaluate dose enhancement in tumor loaded with 10B under influence of various factors and investigate the dependence of this dose enhancement on neutron spectra changes.Material and Methods: In this simulation stud...
متن کاملNeutron dose equivalent measured at the maze door with various openings for the jaws and MLC.
PURPOSE This study was undertaken to explore the effects of the jaws and the MLC openings on the neutron dose equivalent (DE) at the maze door and neutron flux at the patient plane. METHODS The neutron dose equivalent was measured at the maze entrance door of a 15 MV therapy linear accelerator room. All measurements were performed using various field sizes up to 40 cm × 40 cm. Activation dete...
متن کاملCalculation of total dose and dose equivalent distribution in the treatment of lung cancer using MR-guided carbon therapy
Nowadays, in order to improve the accuracy of treatment in radiation therapy, there are many attempts to use magnetic resonance imaging (MRI) due to the advantages of excellent soft tissue contrast and ultra-fast pulse sequences. On the other hand, carbon-ion radiation therapy is developing rapidly due to the benefits of greater relative biological effectiveness (RBE) and the application in the...
متن کاملDevelopment and Characterization of a Neutron Personal Dose Equivalent Monitor
The authors developed a new neutron-measuring instrument that was designed to measure a neutron personal dose equivalent, Hp(10). This instrument is composed of a conventional moderator-based neutron dose equivalent meter and a neutron shield made of borated polyethylene which covers a backward hemisphere to adjust the angular dependence. The whole design was determined on the basis of MCNP cal...
متن کاملDosimetry Impact of Boron and Its Carriers Structure at Boron Neutron Capture Therapy of a Brain Tumor; A Sim- ulation Study
Introduction: Boron neutron capture therapy (BNCT) is a method of cancer treatment and potentially, two borono-L-phenylalanine (BPA) and sodium borocaptate (BSH) are used in BNCT as common boron carriers. Some previous studies have shown that the dose rate is directly related to boron concentration in the tissue. This study aimed to simulate the structure of boron carriers and brain tumor compo...
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ژورنال
عنوان ژورنال: Chinese Physics C
سال: 2017
ISSN: 1674-1137
DOI: 10.1088/1674-1137/41/6/068201