“…Maximizing the extensor mechanism occurs when the lever arm created by the patella is kept intact thus avoiding a patellectomy, which inherently decreases the effect of the lever arm of the extensor mechanism. Current treatment options include patella bone grafting, patelloplasty, patellectomy, onlay cementation, biconvex patellar prosthesis, tantalum patellar prosthesis, and the gullwing osteotomy [1,4,6,[8][9][10].…”