An infant in the Children's City Clinical Hospital with ileostomy stenosis, is referred for an abdominal ultrasound.
In the left abdomen, longitudinally to the body axis, there is an dilated intestine with fluid contents (stoma), the thickness of the rectal wall is up to 5 mm.
In one of the kidneys in longitudinal views there are hyperechoic lesions along the pyramids (hyperechoic pyramids sign).