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Copyright ©The Author(s) 2022.
World J Clin Pediatr. May 9, 2022; 11(3): 270-288
Published online May 9, 2022. doi: 10.5409/wjcp.v11.i3.270
Figure 20
Figure 20  Longitudinal ultrasound images of ileo-colic intussusception. A: Outer intussuscipiens and inner intussusceptum; B and C: Both show three hypoechoic lines (white asterixes) separating the two echogenic areas (yellow asterisks) giving sandwich sign/hay-fork sign. Longitudinal ultrasound images are important to delineate the length of the involved bowel segment.