How can scar tissue be removed surgically in a revision rhinoplasty? Is it a risk?

Scar tissue can never be completely removed in a revision rhinoplasty.  There is presence of scar tissue after a primary rhinoplasty.  The problem with trying to remove scar tissue is that it grows back and the healing can be unpredictable.  The risks and rewards of undergoing another nasal surgery should be carefully considered.  Addressing scar tissue should first be done with cortisone injections in to try and melt the scar tissue.  Digital computer imaging may be of some benefit in the communication process between  the patient and the surgeon.

Yes scar tissue from inside the nose can be removed from inside the nose with some visible thinning afterwards. However it must be done carefully and it is important not to injure the blood supply under the dermis of the skin. Fat, scar, and subcutaneous tissue can be removed the deep dermis must be preserved and left alone as the blood supply to the skin runs through here.

You have addressed the goals and possible complications when removing scar tissue as part of a revision rhinoplasty. Scar tissue removal is usually part of a revision revision so find a surgeon who specializes in this work.