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Rate of and factors affecting sonographic visualization of the appendix in asymptomatic children

Joseph Junewick1, Kimberly Dombrowski, Linda Woolpert

  • 1Helen DeVos Children's Hospital, 100 Michigan NE, Grand Rapids, MI 49503, USA. jjunewick@advancedrad.com

Emergency Radiology
|October 19, 2012
PubMed

Insights

Pediatric sonographers visualized the appendix in 66.7% of asymptomatic children. Factors like age and BMI did not impact visualization rates for this crucial abdominal organ.

Area of Science:

  • Pediatric Radiology
  • Diagnostic Ultrasound

Background:

  • Sonographic visualization rates of the pediatric appendix are inconsistent.
  • Patient age and physical characteristics may influence appendix visualization during ultrasound.

Purpose of the Study:

  • Determine the frequency of appendix visualization by pediatric sonographers.
  • Assess factors influencing appendix visualization.
  • Characterize the appendix and surrounding tissues in asymptomatic children.

Main Methods:

  • Prospective enrollment of 123 asymptomatic children aged 2–18 years.
  • Standardized 15-minute ultrasound examinations by pediatric sonographers.
  • Data collection on visualization rates and influencing factors.

Main Results:

  • The entire appendix was visualized in 55.2% of patients; partially visualized in an additional 11.5%, totaling 66.7% visualization.
  • Visualization rates were not significantly affected by body mass index, age, or gender.
  • Appendiceal and periappendiceal characteristics were consistent with existing literature.

Conclusions:

  • Pediatric sonographers achieve a 66.7% visualization rate for the appendix in children.
  • Key patient demographics do not appear to be significant barriers to appendix visualization.
  • Standardized ultrasound protocols can aid in consistent appendix evaluation.

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