JP,

We have quite similar situation in that my primary is on the left side of the tongue, and it took me also about 3 months from what I also thought was tongue ulcer to getting biopsy results confirming SCC. I did have nodal involvement, however, and underwent ND and total glossectomy, per my signature.

Regarding turning your wrist as a potential future part of your tongue, you may also want to bring up with your doctors the possibility of getting tissue from your thigh, like in my case (left thigh) which was preferred, aesthetically, over getting tissue from my forearm/wrist. I have no regrets with this choice, but there might be other reasons in your case for the wrist.

Jojo