Type 1 thyroplasty is true

Medialisation of vocal cord, used in unilateral complete vocal palsy. 4 types of Thyroplaty. p - Type 1 - Proximalisation / medialise of VC in u/c complete palsy. La - Type 2 - Lateralisation of VC. S - type 3 - shortening of UC / relaxing of UC, used in puberophonia . Ty - type 4 - Tightening of VC used in androphonia[Female with low pitch voice.