Artigo de periodico

Craniofacial measurements based on 3D-CT volume rendering: implications for clinical applications (2004)

• Authors:
  • Cavalcanti, Marcelo Gusmão Paraiso
  • Rocha, S. S.
  • Vannier, M. W.
• Autor USP: CAVALCANTI, MARCELO DE GUSMAO PARAISO - FO
• Unidade: FO
• DOI: 10.1259/dmfr/13603271
• Subjects: TOMOGRAFIA; RADIOGRAFIA; PROCESSAMENTO DE IMAGENS
• Language: Inglês
• Abstract: OBJECTIVES: This study was designed to determine the precision and accuracy of anthropometric measurements using three-dimensional computed tomography (3D-CT) volume rendering by computer systems for craniofacial clinical applications, and to compare the craniometric landmarks using bone and soft tissue protocols. METHODS: The study population consisted of 13 cadaver heads that were examined with spiral CT. The archived CT data were transferred to a workstation, and 3D-CT volume rendered images were generated using computer graphics tools. Linear measurements (n = 10), based upon conventional craniometric anatomical landmarks (n = 08), were identified in 2D-CT and in 3D-CT images by two radiologists twice each independently, and then performed by 3D-CT imaging using a computer graphics systems using bone and soft tissue protocols. In total, 520 imaging measurements were made. The soft tissues were subsequently removed from the cadaver heads and the measurements were repeated using an electromagnetic 3 Space trade mark digitizer. RESULTS: The results demonstrated no statistically significant difference between interobserver and intraobserver measurements or between imaging and physical measurements in both 3D-CT protocols. The standard error was found to be between 0.45% and 1.44% for all the measurements in both protocols, indicating a high level of precision. Furthermore, there was no statistically significant difference between imaging and physicalmeasurements (P > 0.01). The error between the mean actual and mean 3D-based linear measurements was 0.83% for bone and 1.78% for soft tissue measurements, demonstrating high accuracy of both 3D-CT protocols. CONCLUSIONS: 3D-CT volume rendering images using craniometric measurements can be used for anthropological studies involving craniofacial applications
• Imprenta:
  • Publisher place: London
  • Date published: 2004
• Source:
  • Título: Dentomaxillofacial Radiology
  • ISSN: 0250-832X
  • Volume/Número/Paginação/Ano: v. 33, n. 3, p. 170-176, May 2004

Informações sobre o DOI: 10.1259/dmfr/13603271 (Fonte: oaDOI API)
• Este periódico é de acesso aberto
• Este artigo NÃO é de acesso aberto
  

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• ABNT

  CAVALCANTI, Marcelo Gusmão Paraiso e ROCHA, S. S. e VANNIER, M. W. Craniofacial measurements based on 3D-CT volume rendering: implications for clinical applications. Dentomaxillofacial Radiology, v. 33, n. 3, p. 170-176, 2004Tradução . . Disponível em: https://doi.org/10.1259/dmfr/13603271. Acesso em: 23 jan. 2026.

• APA

  Cavalcanti, M. G. P., Rocha, S. S., & Vannier, M. W. (2004). Craniofacial measurements based on 3D-CT volume rendering: implications for clinical applications. Dentomaxillofacial Radiology, 33( 3), 170-176. doi:10.1259/dmfr/13603271

• NLM

  Cavalcanti MGP, Rocha SS, Vannier MW. Craniofacial measurements based on 3D-CT volume rendering: implications for clinical applications [Internet]. Dentomaxillofacial Radiology. 2004 ; 33( 3): 170-176.[citado 2026 jan. 23 ] Available from: https://doi.org/10.1259/dmfr/13603271

• Vancouver

  Cavalcanti MGP, Rocha SS, Vannier MW. Craniofacial measurements based on 3D-CT volume rendering: implications for clinical applications [Internet]. Dentomaxillofacial Radiology. 2004 ; 33( 3): 170-176.[citado 2026 jan. 23 ] Available from: https://doi.org/10.1259/dmfr/13603271

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