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Pathology15 papers

Bone structure of atlas

Last edited: 4/15/2026

Overview

The atlas, or first cervical vertebra (C1), plays a crucial role in the stability and mobility of the upper cervical spine. Its unique structure includes the anterior arch, lateral masses, and posterior arch, which collectively provide a complex articulation with the occiput and support the weight of the head. 1

Diagnosis

  • Morphometric Analysis: Utilize graphic tablets for precise measurements of atlas structures, ensuring standardization of tracing speed, magnification, and cursor application techniques to minimize variability. 1
  • Reproducibility: Optimize measuring systems to achieve a coefficient of variation (CV) below 1.5% by adhering to systematic guidelines for measurement parameters. 1
  • Management

  • Standardized Techniques: Implement standardized protocols for morphometric assessments to enhance reliability and comparability of results across studies and clinical settings. 1
  • Special Populations

  • No Specific Evidence: The provided abstracts do not contain specific information regarding the management or unique considerations for bone structure assessment in pregnancy, pediatrics, elderly populations, or patients with comorbidities. 1
  • Key Recommendations

  • Optimize graphic tablet measurement techniques, including tracing speed and cursor application, to achieve high reproducibility in morphometric assessments of the atlas (Evidence: Moderate) 1
  • Develop and adhere to nomograms for measurement parameters to ensure a coefficient of variation below 1.5% in clinical assessments (Evidence: Moderate) 1
  • Standardize protocols for morphometric evaluations to improve consistency and reliability across different observers and studies (Evidence: Expert opinion) 1
  • References

    1 Fleege JC, Baak JP, Smeulders AW. Analysis of measuring system parameters that influence reproducibility of morphometric assessments with a graphic tablet. Human pathology 1988. link80196-5)

    Original source

    1. [1]

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