ULTRASOUND IN MID GUT MALROTATION

EPIGASTRIC WHIRLPOOL SIGN:

noted in midgut malrotation with transposition of SMA/SMV , & in some cases SMV winds around SMA in clockwise manner due to mesenteric twist & volvulus giving this whirlpool sign on ultrasound & color doppler  ( fig 1)

Fig 1- Epigastric  TS  US & Color doppler scan of a neonate with vomiting - shows classical whirlpool sign due midgut malposition & volvulus 

Fig 2- Midgut malrotation with volvulus at surgery ( photo courtesy- Dr Gaurav Bahety , pediatric surgeon, Bhilwara )