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Tomographic analysis of anatomical parameters of the axis in children.
Torelli, Alessandro Gonzalez; Kohlmann, Rafael Bellucci; Biraghi, Olavo Letaif; Lutaka, Alexandre Sadao; Cristante, Alexandre Fogaça; Marcon, Raphael Martus.
Afiliação
  • Torelli AG; Spine Group of the Institute of Orthopedics and Traumatology of Hospital das Clínicas of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
  • Kohlmann RB; Spine Group of the Institute of Orthopedics and Traumatology of Hospital das Clínicas of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
  • Biraghi OL; Spine Group of the Institute of Orthopedics and Traumatology of Hospital das Clínicas of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
  • Lutaka AS; Spine Group of the Institute of Orthopedics and Traumatology of Hospital das Clínicas of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
  • Cristante AF; Spine Group of the Institute of Orthopedics and Traumatology of Hospital das Clínicas of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
  • Marcon RM; Spine Group of the Institute of Orthopedics and Traumatology of Hospital das Clínicas of the School of Medicine of Universidade de São Paulo - São Paulo, SP, Brazil.
Acta Ortop Bras ; 20(2): 75-8, 2012.
Article em En | MEDLINE | ID: mdl-24453584
OBJECTIVE: To carry out an anatomical study of the axis with the use of computed tomography (CT) in children aged from two to ten years, measuring the lamina angle, lamina and pedicle length and thickness, and lateral mass length. METHODS: Sixty-four CTs were studied from patients aged 24 to 120 months old, of both sexes and without any cervical anomaly. The measurements obtained were correlated with the data on age and sex of the patients. Statistical analysis was performed using the Students "t" tests. RESULTS: We found that within the age range 24-48 months, 5.5% of the lamina and 8.3% of the pedicles had thicknesses of less than 3.5mm, which is the minimum thickness needed for insertion of the screw. Between 49 and 120 months, there were no lamina thicknesses of less than 3.5mm, and 1.2% of the pedicle thicknesses were less than 3.5mm values. Neither of the age groups had any lamina and pedicle lengths of less than 12mm, or lateral mass lengths greater than 12mm. CONCLUSION: The analysis of the data obtained demonstrates that most of the time, is possible to use a 3.5mm pedicle screw in the laminas and pedicles of the axis in children. LEVEL OF EVIDENCE: II, Development of diagnostic criteria in consecutive patients.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Acta Ortop Bras Ano de publicação: 2012 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Acta Ortop Bras Ano de publicação: 2012 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil