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Lung inhomogeneity effect in the radiotherapy treatments using the BPW-34 photodiode detector; Estudo do efeito do pulmao na dose em tratamentos radioterapicos utilizando o fotodiodo BPW-34

Abstract

The presence, in the radiation field, of regions with composition and/or differing from soft tissue may significantly affect the tumoral dose distribution in radiotherapy treatments. The effect of the lung on the dose distribution in the near by tissues was studied with high energy rays c{gamma} of {sup 60} Co and 10 MV, 6 MV - X-ray and using a BPW-34 photodiode as a detector. The results obtained showed that the tumoral dose is reduced in the region anterior to the lung, due to backscattering reduction, whereas it is enhanced beyond the lung due to the lower attenuation in the inhomogeneity. (author). 36 refs, 11 figs, 12 tabs.
Publication Date:
Sep 01, 1990
Product Type:
Thesis/Dissertation
Report Number:
INIS-BR-3506
Reference Number:
SCA: 560101; PA: AIX-26:052580; EDB-95:099227; ERA-20:022407; NTS-96:003312; SN: 95001413807
Resource Relation:
Other Information: DN: PRONUCLEAR. Tese de Mestrado, 53.; TH: Tese (M.Sc.).; PBD: Sep 1990
Subject:
56 BIOLOGY AND MEDICINE, APPLIED STUDIES; LUNGS; PHOTODIODES; RADIATION DOSE DISTRIBUTIONS; DOSIMETRY; ISODOSE CURVES; NUCLEAR MEDICINE; PHANTOMS; PHOTODETECTORS; RADIATION DETECTION; RADIATION DOSES; RADIATION PROTECTION; RADIOTHERAPY; RESPIRATORY TRACT CELLS; SEMICONDUCTOR DIODES; THERMOLUMINESCENT DOSIMETRY
OSTI ID:
72678
Research Organizations:
Pernambuco Univ., Recife, PE (Brazil). Dept. de Energia Nuclear
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
Other: ON: DE95631124; TRN: BR9533226052580
Availability:
INIS; OSTI as DE95631124
Submitting Site:
INIS
Size:
71 p.
Announcement Date:
Jul 28, 1995

Citation Formats

Jesus Lopes Filho, F de. Lung inhomogeneity effect in the radiotherapy treatments using the BPW-34 photodiode detector; Estudo do efeito do pulmao na dose em tratamentos radioterapicos utilizando o fotodiodo BPW-34. Brazil: N. p., 1990. Web.
Jesus Lopes Filho, F de. Lung inhomogeneity effect in the radiotherapy treatments using the BPW-34 photodiode detector; Estudo do efeito do pulmao na dose em tratamentos radioterapicos utilizando o fotodiodo BPW-34. Brazil.
Jesus Lopes Filho, F de. 1990. "Lung inhomogeneity effect in the radiotherapy treatments using the BPW-34 photodiode detector; Estudo do efeito do pulmao na dose em tratamentos radioterapicos utilizando o fotodiodo BPW-34." Brazil.
@misc{etde_72678,
title = {Lung inhomogeneity effect in the radiotherapy treatments using the BPW-34 photodiode detector; Estudo do efeito do pulmao na dose em tratamentos radioterapicos utilizando o fotodiodo BPW-34}
author = {Jesus Lopes Filho, F de}
abstractNote = {The presence, in the radiation field, of regions with composition and/or differing from soft tissue may significantly affect the tumoral dose distribution in radiotherapy treatments. The effect of the lung on the dose distribution in the near by tissues was studied with high energy rays c{gamma} of {sup 60} Co and 10 MV, 6 MV - X-ray and using a BPW-34 photodiode as a detector. The results obtained showed that the tumoral dose is reduced in the region anterior to the lung, due to backscattering reduction, whereas it is enhanced beyond the lung due to the lower attenuation in the inhomogeneity. (author). 36 refs, 11 figs, 12 tabs.}
place = {Brazil}
year = {1990}
month = {Sep}
}