Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
62 year old male with history of head and neck cancer status post radiation with surveillance ultrasound. A demonstrates longitudinal gray scale with narrowing due to atherosclerotic plaque. B demonstrates transverse view with measurement of the small lumen. C. Color image demonstrates narrowing with aliasing. D. Spectral waveform demonstrates a PSV of 404.5 cm/s. In comparison, the common carotid artery PSV was 101.1 cm/s (not shown). Therefore, the ICA stenosis is significant.
