Ultrasound is an accurate and cost-effective imaging modality for initial evaluation of suspected appendicitis in the pediatric population. Evidence shows that the sensitivity and specificity of ultrasound is high with reports of up to 95%, though this may vary based on center experience and capabilities. Where findings on ultrasound exam are equivocal, CT can be considered as part of a step-up investigative approach after discussion with the patient and caregivers about risks of childhood radiation exposure. For more information:
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