Calculation of the mastoid cell volume of infants from computed tomography imaging

Aylin Karahasanoglu1, Sema Aksoy, Elif Hocaoglu

  • 1Department of Radiology, Bakirkoy Dr Sadi Konuk Research and Training Hospital, Istanbul, Turkey.

Insights

Mastoid cell volume in infants increases with age. This study calculated mastoid cell volumes in 87 infants under one year, finding significant age-related differences.

Area of Science:

  • Pediatric imaging
  • Otolaryngology
  • Anatomy

Background:

  • The mastoid air cells are pneumatized spaces within the temporal bone.
  • Understanding mastoid cell development is crucial for diagnosing and managing various pediatric ear conditions.

Purpose of the Study:

  • To quantify mastoid cell volume in infants using computed tomography (CT) imaging.
  • To establish normative data for mastoid cell volume in infants up to 12 months of age.

Main Methods:

  • Computed tomography (CT) scans of 87 infants under 1 year were analyzed.
  • Infants were categorized into four age groups: 0-3, 4-6, 7-9, and 10-12 months.
  • Mastoid cell volume was calculated for each infant.

Main Results:

  • Significant differences in mastoid cell volume (cm³) were observed across the four age groups (P = 0.0001).
  • Mastoid cell volume demonstrated a general trend of increase with advancing age in infants.
  • The findings highlight a clear correlation between infant age and mastoid cell development.

Conclusions:

  • Mastoid cell volume is a reliable indicator of age in infants up to one year.
  • Further research is planned to establish specific cutoff values for mastoid cell volume to aid in clinical assessments.
  • This study provides foundational data for future investigations into pediatric otitis media and related conditions.
Abstract

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