Can you post some photos of the scar tissue?
The scar tissue (which is more correctly called adhesions) is very rare, and one of the easiest ways to develop it is to work your knee too hard. Over-worked knees get inflamed and hot, and hot tissues become drier than normal and more likely to stick together and form adhesions.
This article explains the difference between scar tissue and adhesions:
MUA (Manipulation under Anaesthetic) and Adhesions
You need normal scar tissue. That's what holds your incision together, and it's part of the normal healing process. Without it, you'd always have an open wound.
The scar tissue (which is more correctly called adhesions) is very rare, and one of the easiest ways to develop it is to work your knee too hard. Over-worked knees get inflamed and hot, and hot tissues become drier than normal and more likely to stick together and form adhesions.
This article explains the difference between scar tissue and adhesions:
MUA (Manipulation under Anaesthetic) and Adhesions
You need normal scar tissue. That's what holds your incision together, and it's part of the normal healing process. Without it, you'd always have an open wound.