Primary ileal volvulus in neonates: radiologic findings in two cases.
Two cases of primary small bowel volvulus in neonates are presented. On abdominal plain radiographs pseudotumor sign was seen in both cases. CT showed intensely distended fluid-filled small bowel loops on the right side of the abdomen and diffuse distention of the proximal small bowel loops with air-fluid levels. US also showed distended fluid-filled loops containing echogenic foci without peristalsis. We consider that CT and US can play important roles in the diagnosis of small bowel volvulus in neonates.
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