This would probably not be practical for MtFs over other vocal surgeries, but it's still interesting.
http://www.chicagotribune.com/news/nationworld/la-heb-larynx-transplant-20110120,0,6967684.story (http://www.chicagotribune.com/news/nationworld/la-heb-larynx-transplant-20110120,0,6967684.story)
Wow, that's great news! Amazing how far medicine has come. Thanks for sharing, Lee.
Gennee