A 52-years old lady presented with an increase in the size of the right thigh for a year. Local doctors had given some ointments, but when it finally started paining, the family met an orthopedic surgeon.

X-rays and MRI were done. Following the MRI, a biopsy was done.

What is the likely diagnosis?

Chronic abscess
Chronic hematoma
Sarcoma
Cystic schwannoma

To see the answer and the discussion, you can either see this video or the one above. The video describes the approach to a soft tissue mass in short.