Ultrasonographic evaluation of cecal appendix diameter in pediatric population

Marcos Roberto Gomes de Queiroz1, Miguel José Francisco Neto1, Antonio Rahal Junior1

  • 1Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.

Insights

Pediatric cecal appendix diameter, assessed via ultrasound, shows a consistent mean of 4.14mm across all age groups. This study suggests a single reference value for appendix diameter in children, aiding appendicitis evaluations.

Area of Science:

  • Pediatric radiology
  • Gastrointestinal imaging
  • Ultrasound diagnostics

Background:

  • Accurate measurement of the cecal appendix diameter is crucial for diagnosing conditions like appendicitis in children.
  • Variability in appendix diameter across different pediatric age groups may impact diagnostic accuracy.

Purpose of the Study:

  • To stratify ultrasound measurements of cecal appendix diameter in pediatric patients.
  • To examine appendix diameter variability across different age groups (0-15 years).
  • To determine if a prevalent appendix diameter value exists for pediatric populations.

Main Methods:

  • Retrospective cross-sectional study of 196 children aged 0-15 years.
  • Data extracted from ultrasound reports between 2008-2015.
  • Exclusion of children with diagnosed appendicitis or periappendiceal inflammation.

Main Results:

  • The mean anteroposterior diameter of the cecal appendix was 4.14mm (SD: 0.93mm).
  • No significant differences in cecal appendix diameter were observed when stratified by age groups.
  • A consistent mean diameter was found across the pediatric population studied.

Conclusions:

  • A single mean value for cecal appendix diameter (4.14mm) can be adopted for pediatric populations.
  • Age stratification did not reveal significant differences in appendix diameter.
  • These findings support a standardized ultrasound reference for pediatric appendix diameter.
Abstract