Purpose:
Midgut volvulus is an abdominal surgical emergency occurring mainly in the neonatal period. After the introduction of US in the diagnosis of midgut volvulus, whirlpool sign has proved to be specific for the diagnosis of midgut volvolus. Although whirlpool sign has been proved specific for the diagnosis of midgut volvulus, it has not completely replaced the UGI diagnosis. The purpose of this presentation is to present various sonographic findings in addition to whirlpool sign.


Materials and Methods:
For 7 year period, ten children were diagnosed as midgut volvulus on US and confirmed surgically. We retrospectively reviewed the sonographic findings of these children. The ages were from 2 days to 81 days. The male to female ration was 6:4.

Results:
Whirlpool sign was seen in 8 babies. Beaking of the duodenum (beak sign) was seen in 7 babies. Convergence of vessel on color Doppler sonography (converging vessel sign) was seen in 8 babies. Whirling mass sign was seen in all babies.

Conclusion:
In addition to classic whirlpool sign in the sonographic diagnosis of midgut volvulus, whirling mass sign, converging vessel sign and beak sign were also very helpful. Among these, the whirling mass sign, especially on real time image was more helpful than whirlpool sign
Understanding of above mentioned sonographic signs will make rapid and precise preoperative diagnosis possible and could replace UGI evaluation of midgut volvulus.