You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Patellar cluck syndrome is interposition of soft tissue at or hyperophied scar: and explain in detail?
Ans: B. Superior pole of patella and impinging on femoral component during extension Patellar Clunk Syndrome is a painful condition associated with a mechanical catching or clunking during active extension following total knee ahroplasty (TKA).The syndrome is caused by growth of interposing soft tissue usually at the superior pole of the patella.This interposed soft tissue cannot be visualized on plain radiographs.