DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Knee replacement scar. This is from a total knee replacement (TKR), an operation that involves opening up the knee joint and using surgical implants to replace the bones and cartilage of the joint. It is often used to treat arthritis or a severe injury to the knee.
Model release available. Property release not required.