PMC5533607_01
Case 1: Initial abdominal ultrasound image showing classic "doughnut sign" of intussusception (arrow).
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FI170344CR-1
She had an abdominal ultrasound (US) done showing the classic "doughnut sign" of intussusception ( Fig. 1 ).
PMC5533607_02
Case 2: Initial abdominal ultrasound image (longitudinal view) showing telescoping of bowel into the bowel.
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FI170344CR-2
We proceeded with an US abdomen that confirmed the initial diagnosis ( Fig. 2 ), and a trial of contrast enema reduction was given.
Case 2: Lower GI contrast study done after US abdomen showing large bowel on the left side and small bowel on the right side of the abdomen. GI, gastrointestinal tract; US, ultrasound.
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FI170344CR-3
The large bowel was noticed on left side of the abdomen with free-lying cecum and the small bowel on right side with free retrograde filling for long segment; the intussusception was not visualized ( Fig. 3 ).
Case 2: Doppler US image showing reversed relation of SMA and SMV done after the lower GI contrast study was suspicious of malrotation. GI, gastrointestinal tract; SMA, superior mesenteric artery; SMV, superior mesenteric vein; US, ultrasound.
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FI170344CR-4
A repeat US abdomen did not show intussusception, and a reversed relation between superior mesenteric artery (SMA) and superior mesenteric vein (SMV) was noticed on Doppler US ( Fig. 4 ).