Giant subcutaneous synovial sarcoma: an interesting case.

A 45-year-old lady presented to us with a large subcutaneous swelling on her left side of back of 1 year duration. Local examination revealed a 13×12 cm spherical swelling on the left lower paraspinal region. Magnetic resonance imaging of lumbosacral spine revealed a 13×12 cm mass having solid and cystic components with internal septations in the subcutaneous tissue of left posterior paraspinal area.