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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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In type-4 thyroplasty, vocal cord is
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The correct answer is  Type IV thyroplasty- This procedure is used to lengthen (tighten) the vocal cord and elevate the pitch. It conves male character of voice to female and has been used in gender transformation. It is also used when vocal cord is lax and bowing due to ageing process or trauma. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 6, page -302