Clinical status was severe enough to warrant management in the pediatric intensive care unit in 24 of 35 children (69%), of which 7 (20%) ... with mesenteric fat stranding, ...

In 12 patients (26%), CT indicated gastrointestinal (n = 8) and genitourinary (n = 4) symptom sources. Of 34 remaining patients, 11 (24%) were diagnosed through further imaging or clinical evaluation.