It's difficult to give you exact advice without seeing you in person. It could be inflammatory from the constant pressure of touching it, or could be a skin or soft tissue lesion that needs a biopsy. You should make an appointment to see a plastic surgeon or ent physician. Good Luck
In general, I have found that either temporalis or dermal grafts do very well here. During the course of a typical rhinoplasty, it is fairly simple to gather some soft tissue from the fascia along the sidewall and transplant this. If a large volume is required, I tend to prefer...
I would recommend an in-person consult with a board certified rhinoplasty specialist. He or she may use computer imaging software to morph a photo of you, which will give you an idea of how the final result of surgery may appear. There are techniques that can help reduce the width of your nose,...
