Biplane transrectal ultrasonography plus ultrasonic elastosonography and contrast-enhanced ultrasonography in T staging of rectal cancer

摘要

Two-dimensional ultrasonogram (a), color-flow and pulsed Doppler image (b), elastogram (c) and the corresponding contrast-enhanced ultrasonogram (d) of a 45-year-old male patient with stage uT1 low rectal cancer (red arrow)