ganglion

I can't remember when it appeared but I first began to notice a bump in my arm when I was 12. Than my mum told me it was a ganglion. I've researched a fair bit on them and to be honest, I'm a little worried. It is on the back of my wrist, just where it curves to meet my hand and about 2cm long...

I can't remember when it appeared but I first began to notice a bump in my arm when I was 12. Than my mum told me it was a ganglion. I've researched a fair bit on them and to be honest, I'm a little worried. It is on the back of my wrist, just where it curves to meet my hand and about 2cm long...

on their wrist.? my friend has a big ganglion cyst on his left wrist and he wants to put a thumbtack in it...please give logical answers...thnx