This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metastatic Bone Disease, Subject name: Orthopaedics
All of the following statements about synovial cell sarcoma, are true, except. 
Select and explain. 
A. Originate from synovial lining, B. Occur more often at extra-articular sites, C. Usually seen in patients less than 50 years of age, D. Knee and foot are common sites involved
A: Originate from synovial lining
Answer: A: Originate from synovial lining 
Explanation: (a) Originate from synovial lining- The term 'synovial cell sarcoma' is however a misnomer as synovial cell sarcomas do not arise from synovium.- Most synovial sarcomas are extra-articular and only less than 10% are intraarticular.Synovial cell sarcoma does not arise from synovial liningThe term synovial sarcoma is a misnomer. The term originates from the histological appearance of cells which can resemble synovial cells. These tumors, however, do not arise from synovial tissue.