Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding
Computed Tomography (CT) has become an important tool to diagnose cancer and to obtain additional information for different clinical questions. However, CT scan usually requires a higher radiation exposure than a conventional radiography examination. Head CT scans are used for diagnosis of traumatic...
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| Language: | English |
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Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)
2018-07-01
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| Series: | Brazilian Journal of Radiation Sciences |
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| Online Access: | https://bjrs.org.br/revista/index.php/REVISTA/article/view/446 |
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| author | Fernanda Stephanie Santos Priscila do Carmo Santana Arnaldo Prata Mourão |
| author_facet | Fernanda Stephanie Santos Priscila do Carmo Santana Arnaldo Prata Mourão |
| author_sort | Fernanda Stephanie Santos |
| collection | DOAJ |
| description | Computed Tomography (CT) has become an important tool to diagnose cancer and to obtain additional information for different clinical questions. However, CT scan usually requires a higher radiation exposure than a conventional radiography examination. Head CT scans are used for diagnosis of traumatic head injuries, infections and other diseases with instability. Based on this information, it was studied the dose variation deposited in the lenses and in nearby organs, such as: pharynx, hypophysis and salivary gland with and without the use of bismuth shield. In this study a head CT scan was performed on anthropomorphic male phantom using a GE scanner. Dose measurements have been performed by using radiochromic film strips to register the individual doses in the organs of interest. The results show us that the lenses had a reduction of 26% of the dose with the use of the bismuth shield. |
| format | Article |
| id | doaj-art-cbc48fc6bc8a4bdc8ed036fe9dd3dc65 |
| institution | DOAJ |
| issn | 2319-0612 |
| language | English |
| publishDate | 2018-07-01 |
| publisher | Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR) |
| record_format | Article |
| series | Brazilian Journal of Radiation Sciences |
| spelling | doaj-art-cbc48fc6bc8a4bdc8ed036fe9dd3dc652025-08-20T03:13:11ZengBrazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)Brazilian Journal of Radiation Sciences2319-06122018-07-0162A (Suppl.)10.15392/bjrs.v6i2A.446341Analysis of lenses absorbed dose in head CT scan with the use of bismuth shieldingFernanda Stephanie Santos0Priscila do Carmo Santana1Arnaldo Prata Mourão2Federal University of Minas GeraisFederal University of Minas GeraisFederal University of Minas Gerais Federal Center for Technological Education of Minas GeraisComputed Tomography (CT) has become an important tool to diagnose cancer and to obtain additional information for different clinical questions. However, CT scan usually requires a higher radiation exposure than a conventional radiography examination. Head CT scans are used for diagnosis of traumatic head injuries, infections and other diseases with instability. Based on this information, it was studied the dose variation deposited in the lenses and in nearby organs, such as: pharynx, hypophysis and salivary gland with and without the use of bismuth shield. In this study a head CT scan was performed on anthropomorphic male phantom using a GE scanner. Dose measurements have been performed by using radiochromic film strips to register the individual doses in the organs of interest. The results show us that the lenses had a reduction of 26% of the dose with the use of the bismuth shield.https://bjrs.org.br/revista/index.php/REVISTA/article/view/446computed tomographydosimetrybismuth shielding. |
| spellingShingle | Fernanda Stephanie Santos Priscila do Carmo Santana Arnaldo Prata Mourão Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding Brazilian Journal of Radiation Sciences computed tomography dosimetry bismuth shielding. |
| title | Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding |
| title_full | Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding |
| title_fullStr | Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding |
| title_full_unstemmed | Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding |
| title_short | Analysis of lenses absorbed dose in head CT scan with the use of bismuth shielding |
| title_sort | analysis of lenses absorbed dose in head ct scan with the use of bismuth shielding |
| topic | computed tomography dosimetry bismuth shielding. |
| url | https://bjrs.org.br/revista/index.php/REVISTA/article/view/446 |
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