Ultrasound findings in a child with intussusception

Ten-month-old girl who presented to the emergency department with clinical suspicion for intussusception.
(A) Grayscale ultrasound image demonstrates a classic "bullseye" mass lesion (arrow) in the mid-upper abdomen where the transverse colon is typically located.
(B) Color Doppler demonstrates persistent flow (arrow) within the ileocolic bowel involved with the intussusception.