Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Coluna/Columna |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-18512009000100015 |
Resumo: | OBJECTIVE: more detailed anatomical knowledge of the C2 pedicle is required to optimize and minimize the risk of screw placement. The aim of this study was to evaluate the linear and angular dimensions of the true C2 pedicle using axial CT. METHODS: ninety three patients (47 males, 46 females mean age 48 years) who had cervical spinal CT imaging performed were evaluated for this study. Axial images of the C2 pedicle were selected and the following pedicle parameters were determined: pedicle width (PW, the mediolateral diameter of the pedicle isthmus, perpendicular to the pedicle axis) and pedicle transverse angle (PTA, that is, the angle between the pedicle axis and the midline of the vertebral body). RESULTS: the overall mean pedicle width was 5.8 1.2mm. The mean pedicle width in males (6.01.3mm) was greater than that in the female subjects (5.6 1.1mm). This difference was not found to be statistically significant (p=.6790). The overall mean pedicle transverse angle was 43.93.9 degrees. The mean PTA in males was 43.23.8 degrees, while that in females was 44.73.7 degrees. CONCLUSION: preoperative planning is absolutely mandatory, particularly in determining not only screw trajectory, but in analyzing individual patient anatomy and reception to a C2 pedicle screw. |
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Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurementsCervical vertebrae/anatomy & histologyTomography, X-ray computedBone screwsOBJECTIVE: more detailed anatomical knowledge of the C2 pedicle is required to optimize and minimize the risk of screw placement. The aim of this study was to evaluate the linear and angular dimensions of the true C2 pedicle using axial CT. METHODS: ninety three patients (47 males, 46 females mean age 48 years) who had cervical spinal CT imaging performed were evaluated for this study. Axial images of the C2 pedicle were selected and the following pedicle parameters were determined: pedicle width (PW, the mediolateral diameter of the pedicle isthmus, perpendicular to the pedicle axis) and pedicle transverse angle (PTA, that is, the angle between the pedicle axis and the midline of the vertebral body). RESULTS: the overall mean pedicle width was 5.8 1.2mm. The mean pedicle width in males (6.01.3mm) was greater than that in the female subjects (5.6 1.1mm). This difference was not found to be statistically significant (p=.6790). The overall mean pedicle transverse angle was 43.93.9 degrees. The mean PTA in males was 43.23.8 degrees, while that in females was 44.73.7 degrees. CONCLUSION: preoperative planning is absolutely mandatory, particularly in determining not only screw trajectory, but in analyzing individual patient anatomy and reception to a C2 pedicle screw.Sociedade Brasileira de Coluna2009-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-18512009000100015Coluna/Columna v.8 n.1 2009reponame:Coluna/Columnainstname:Sociedade Brasileira de Coluna (SBCO)instacron:SBCO10.1590/S1808-18512009000100015info:eu-repo/semantics/openAccessOnibokun,AdebukoaBistazzoni,SimonaSassi,MarcoKhoo,Larry T.eng2010-01-29T00:00:00Zoai:scielo:S1808-18512009000100015Revistahttps://www.revistacoluna.org/ONGhttps://old.scielo.br/oai/scielo-oai.phpcoluna.columna@uol.com.br||revistacoluna@uol.com.br2177-014X1808-1851opendoar:2010-01-29T00:00Coluna/Columna - Sociedade Brasileira de Coluna (SBCO)false |
dc.title.none.fl_str_mv |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
title |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
spellingShingle |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements Onibokun,Adebukoa Cervical vertebrae/anatomy & histology Tomography, X-ray computed Bone screws |
title_short |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
title_full |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
title_fullStr |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
title_full_unstemmed |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
title_sort |
Anatomic considerations for C2 pedicle screw placement: the use of computerized tomography measurements |
author |
Onibokun,Adebukoa |
author_facet |
Onibokun,Adebukoa Bistazzoni,Simona Sassi,Marco Khoo,Larry T. |
author_role |
author |
author2 |
Bistazzoni,Simona Sassi,Marco Khoo,Larry T. |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Onibokun,Adebukoa Bistazzoni,Simona Sassi,Marco Khoo,Larry T. |
dc.subject.por.fl_str_mv |
Cervical vertebrae/anatomy & histology Tomography, X-ray computed Bone screws |
topic |
Cervical vertebrae/anatomy & histology Tomography, X-ray computed Bone screws |
description |
OBJECTIVE: more detailed anatomical knowledge of the C2 pedicle is required to optimize and minimize the risk of screw placement. The aim of this study was to evaluate the linear and angular dimensions of the true C2 pedicle using axial CT. METHODS: ninety three patients (47 males, 46 females mean age 48 years) who had cervical spinal CT imaging performed were evaluated for this study. Axial images of the C2 pedicle were selected and the following pedicle parameters were determined: pedicle width (PW, the mediolateral diameter of the pedicle isthmus, perpendicular to the pedicle axis) and pedicle transverse angle (PTA, that is, the angle between the pedicle axis and the midline of the vertebral body). RESULTS: the overall mean pedicle width was 5.8 1.2mm. The mean pedicle width in males (6.01.3mm) was greater than that in the female subjects (5.6 1.1mm). This difference was not found to be statistically significant (p=.6790). The overall mean pedicle transverse angle was 43.93.9 degrees. The mean PTA in males was 43.23.8 degrees, while that in females was 44.73.7 degrees. CONCLUSION: preoperative planning is absolutely mandatory, particularly in determining not only screw trajectory, but in analyzing individual patient anatomy and reception to a C2 pedicle screw. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-18512009000100015 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-18512009000100015 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1808-18512009000100015 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Coluna |
publisher.none.fl_str_mv |
Sociedade Brasileira de Coluna |
dc.source.none.fl_str_mv |
Coluna/Columna v.8 n.1 2009 reponame:Coluna/Columna instname:Sociedade Brasileira de Coluna (SBCO) instacron:SBCO |
instname_str |
Sociedade Brasileira de Coluna (SBCO) |
instacron_str |
SBCO |
institution |
SBCO |
reponame_str |
Coluna/Columna |
collection |
Coluna/Columna |
repository.name.fl_str_mv |
Coluna/Columna - Sociedade Brasileira de Coluna (SBCO) |
repository.mail.fl_str_mv |
coluna.columna@uol.com.br||revistacoluna@uol.com.br |
_version_ |
1752126613313552384 |