Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization.
Digital radiographic imaging is increasing in veterinary practice. The use of radiation demands responsibility to maintain high image quality. Low doses are necessary because workers are requested to restrain the animal. Optimizing digital systems is necessary to avoid unnecessary exposure, causing...
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doaj-0513f4d00b494385900de2a673458f052020-11-24T22:21:33ZengPublic Library of Science (PLoS)PLoS ONE1932-62032016-01-01114e015419310.1371/journal.pone.0154193Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization.Ana Luiza Menegatti PavanMaria Eugênia Dela RosaGuilherme GiacominiFernando Antonio Bacchim NetoSeizo YamashitaLuiz Carlos VulcanoSergio Barbosa DuarteJosé Ricardo de Arruda MirandaDiana Rodrigues de PinaDigital radiographic imaging is increasing in veterinary practice. The use of radiation demands responsibility to maintain high image quality. Low doses are necessary because workers are requested to restrain the animal. Optimizing digital systems is necessary to avoid unnecessary exposure, causing the phenomenon known as dose creep. Homogeneous phantoms are widely used to optimize image quality and dose. We developed an automatic computational methodology to classify and quantify tissues (i.e., lung tissue, adipose tissue, muscle tissue, and bone) in canine chest computed tomography exams. The thickness of each tissue was converted to simulator materials (i.e., Lucite, aluminum, and air). Dogs were separated into groups of 20 animals each according to weight. Mean weights were 6.5 ± 2.0 kg, 15.0 ± 5.0 kg, 32.0 ± 5.5 kg, and 50.0 ± 12.0 kg, for the small, medium, large, and giant groups, respectively. The one-way analysis of variance revealed significant differences in all simulator material thicknesses (p < 0.05) quantified between groups. As a result, four phantoms were constructed for dorsoventral and lateral views. In conclusion, the present methodology allows the development of phantoms of the canine chest and possibly other body regions and/or animals. The proposed phantom is a practical tool that may be employed in future work to optimize veterinary X-ray procedures.http://europepmc.org/articles/PMC4839573?pdf=render |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ana Luiza Menegatti Pavan Maria Eugênia Dela Rosa Guilherme Giacomini Fernando Antonio Bacchim Neto Seizo Yamashita Luiz Carlos Vulcano Sergio Barbosa Duarte José Ricardo de Arruda Miranda Diana Rodrigues de Pina |
spellingShingle |
Ana Luiza Menegatti Pavan Maria Eugênia Dela Rosa Guilherme Giacomini Fernando Antonio Bacchim Neto Seizo Yamashita Luiz Carlos Vulcano Sergio Barbosa Duarte José Ricardo de Arruda Miranda Diana Rodrigues de Pina Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization. PLoS ONE |
author_facet |
Ana Luiza Menegatti Pavan Maria Eugênia Dela Rosa Guilherme Giacomini Fernando Antonio Bacchim Neto Seizo Yamashita Luiz Carlos Vulcano Sergio Barbosa Duarte José Ricardo de Arruda Miranda Diana Rodrigues de Pina |
author_sort |
Ana Luiza Menegatti Pavan |
title |
Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization. |
title_short |
Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization. |
title_full |
Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization. |
title_fullStr |
Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization. |
title_full_unstemmed |
Homogeneous Canine Chest Phantom Construction: A Tool for Image Quality Optimization. |
title_sort |
homogeneous canine chest phantom construction: a tool for image quality optimization. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS ONE |
issn |
1932-6203 |
publishDate |
2016-01-01 |
description |
Digital radiographic imaging is increasing in veterinary practice. The use of radiation demands responsibility to maintain high image quality. Low doses are necessary because workers are requested to restrain the animal. Optimizing digital systems is necessary to avoid unnecessary exposure, causing the phenomenon known as dose creep. Homogeneous phantoms are widely used to optimize image quality and dose. We developed an automatic computational methodology to classify and quantify tissues (i.e., lung tissue, adipose tissue, muscle tissue, and bone) in canine chest computed tomography exams. The thickness of each tissue was converted to simulator materials (i.e., Lucite, aluminum, and air). Dogs were separated into groups of 20 animals each according to weight. Mean weights were 6.5 ± 2.0 kg, 15.0 ± 5.0 kg, 32.0 ± 5.5 kg, and 50.0 ± 12.0 kg, for the small, medium, large, and giant groups, respectively. The one-way analysis of variance revealed significant differences in all simulator material thicknesses (p < 0.05) quantified between groups. As a result, four phantoms were constructed for dorsoventral and lateral views. In conclusion, the present methodology allows the development of phantoms of the canine chest and possibly other body regions and/or animals. The proposed phantom is a practical tool that may be employed in future work to optimize veterinary X-ray procedures. |
url |
http://europepmc.org/articles/PMC4839573?pdf=render |
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