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Related Experiment Video

Updated: May 17, 2026

Three-Dimensional Cephalometric Landmark Annotation Demonstration on Human Cone Beam Computed Tomography Scans
10:23

Three-Dimensional Cephalometric Landmark Annotation Demonstration on Human Cone Beam Computed Tomography Scans

Published on: September 8, 2023

CT-Cephalometry-A study in Indian population.

Janardhan J Rao1, Vinaya Ec Kumar, Sathavahana V Chowdary

  • 1ENT Dept, Apollo Hospitals, Jubilee Hills, 500 033 Hyderabad, India ; Department of Head & Neck Surgery, Apollo Hospitals, Jubilee Hills, Hyderabad, India ; Department of Radiology, Apollo Hospitals, Jubilee Hills, Hyderabad, India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 3, 2012
PubMed
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Accurate identification of airway obstruction sites in obstructive sleep apnoea (OSA) is crucial for effective management. This study presents modified cephalometric techniques, including CT-cephlometry topograms, for precise obstruction site determination in OSA patients.

Area of Science:

  • Medical Imaging
  • Otolaryngology
  • Sleep Medicine

Background:

  • Identifying the obstructive site in obstructive sleep apnoea (OSA) is critical for treatment planning.
  • Traditional cephalometric evaluation aids in locating airway obstructions but can be improved for soft tissue delineation.

Purpose of the Study:

  • To present modified cephalometric techniques for improved delineation of soft tissues in the airway.
  • To evaluate the utility of CT-cephlometry topogram technique for determining obstruction sites in OSA patients.

Main Methods:

  • Modified cephalometry using a 2mm cardboard and barium paste for accurate soft tissue delineation and parameter calculation.
  • CT-cephlometry topogram technique involving cranio-caudal scans on a running tabletop.
  • Evaluation of 38 OSA patients using the CT-cephlometry topogram technique.
Keywords:
CephalometryObstructive sleep apnoeatopography

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Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

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Last Updated: May 17, 2026

Three-Dimensional Cephalometric Landmark Annotation Demonstration on Human Cone Beam Computed Tomography Scans
10:23

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Published on: September 8, 2023

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

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Published on: February 2, 2017

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
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Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

Published on: November 4, 2025

Main Results:

  • Quantification of various cephalometric parameters with derived normal ranges from control studies.
  • Successful application of the CT-cephlometry topogram technique in 38 OSA patients.
  • Demonstration of improved soft tissue delineation compared to traditional cephalometry.

Conclusions:

  • Modified cephalometric techniques, particularly CT-cephlometry topograms, offer enhanced precision in identifying obstructive sites in OSA.
  • These advanced methods provide valuable data for personalized management strategies in obstructive sleep apnoea.
  • The study establishes a basis for further research and clinical application of these improved imaging techniques.