Ultrasonography.org

International Atlas

 

 

 

by: Giancarlo Sarnelli M.D.

 

The same image of longitudinal posterior perineum scan obtained with high frequency probe allows to relieve more anatomic details. 

The image is centred on the Anal Canal. 

 

 
  1. Mucosa-submucosal

  2. Internal sphincter

  3. External sphincter