According to Cynthia A. Kahlenberg, MD, MPH, an orthopedic surgeon at HSS and a coauthor of the study, TKA is rarely performed in patients under 21 years old but may be done in this population due to conditions such as inflammatory arthritis or juvenile idiopathic arthritis (JIA), malignant or non-malignant tumors, or trauma.
Source: Medical Xpress
