Affected left ear pinna shows thickening, the loss of normal well-defined margins with the presence of hypervascularity. It involves most of the helix and antihelix of the external ear cartilage. Tragus and antitragus are spared. The lobule is normal. There is a hypoechoic tiny tract from the skin to cartilage at the site of the piercing.
Asymptomatic right ear pinna shows normal thin cartilage with well-defined margins.