How does synovial sarcoma present clinically?
A slowly growing, often minimally symptomatic mass adjacent to the joint is the typical presentation. Pain is reported by about 50% of patients. Soft-tissue calcification on plain radiograph occurs in 30% to 50% of the patients with a fine, stippled or dense appearance. This finding serves to provide a clue as to the underlying diagnosis. MRI is the imaging procedure of choice since it defines the extent of the lesion.