Abstract
Objective To investigate the use of color Doppler sonography in the diagnosis of malrotation in infants. Methods 19 postoperative malrotation cases were investigated retrospectively and 12 infants suspected with malrotation from 1997 to August 2000 were investigated prospectively with color Doppler songography to determine the relationship between the SMV(Superior Mesenteric Vein) and the SMA(Superior Mesenteric Artery) and the “whirlpool sign” .Results 15 of the 19 postoperative and 10 of 12prospective infants were found to have abnormal relationship between the SMV and SMA. 8 of the 12infants were found to have “whirlpool sign” All the malrotation and midgut volvulus were confirmed at operations Conclusions The diagnosis of intestinal malrotation and midgut volvulus with color Doppler sonography was a reliable supportive modality, which were easy to do and non-traumatic, with good sensitivity and specialty and without X-ray exposure.
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