For a larger image, please click on Ardestani 5
Transverse ultrasound above level of the umbilicus shows a classic “crescent in a doughnut” or “target” sign. Alternating bands of echogenicity are formed when layers of bowel mucosa and muscularis stack along side mesentery which has been “pulled” into the bowel lumen. This highly suggests intussusception.
For a larger image, please click on Ardestani 6 .
A sagittal view of the same structure shows another classic view of intussusception, that of a “pseudokidney.” Fat-containing mesentery dragged into an edematous colon gives this appearance.
What is the next appropriate step?
1) Emergent surgery
2) Contrast enema
3) Admission and surveillance
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