I thought you were having some problems with your body posture etc that caused the 'shortness' but really, 170cm is short? lol. I'm 172cm, what should that make me of?

https://en.wikipedia.org/wiki/Limb_lengthening_methods

http://www.dailymail.co.uk/news/article-21...HES-taller.html

I google'd and found a place (in Malaysia) for limb lengthening surgery.

http://www.mahkotaorthopaedics.com/