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.
Method used to assess antihelical to inferior antihelical crus angle. Usually there is a smooth transition from the antihelical stem to its crus (no angle). 2a shows a mild angle greater than 90° (scored anterosuperior), 2b shows an angle of about 90° (scored horizontal) and 2c the angle is acute and clearly less than 90 (scored anteroinferior).
