Type I thyroplasty is for -: (A) Vocal cord medialization, (B) Vocal cord lateralization, (C) Vocal cord shortening, (D) Vocal cord lengthening
Answer is A. Type 1: Medial displacement of vocal cord (done by injection of gel foam/Teflon paste)
Type 2: Lateral displacement of the cord (done to improve the airway).
Type 3: Shortening (relax) the cord, to lower the pitch (gender transformation from female to male).
Type 4: Lengthening (tightening) the cord, to elevate the pitch (gender transformation from male to female).