SMA stenosis at origin on color & spectral Doppler

 Fig 1- Midline Sagittal color Doppler image upper abdomen showing narrowing  of SMA at origin with aliasing on color.

 Fig 2- Same color Doppler scan upper abdomen showing hypoechoic plaque at SMA origin with luminal narrowing & color aliasing.

Fig 3- Spectral waveform at stenosis showing high velocities