This 43-year-old man noticed a right sided mass on the posterior part of his thigh. It had been enlarging over the course of three months. He reported pain on activities which had progressed to the point where climbing stairs would cause pain overlying the mass. There was no radiation, and he took Acetaminophen to relieve the pain. However, he had stopped playing golf because the pain would be uncontrolled by over-the-counter analgesics.
Physical examination revealed a tender rubbery mass on the posterolateral aspect of the right mid thigh. The 5cm x 7cm egg-shaped mass was mobile with respect to the overlying skin, but fixed to the underlying tissue. There was no local or regional lymphadenopathy, and no evidence of infection. Previous history This man had no anorexia, weight change, fevers, chills, or night sweats.There was no history of local trauma or surgery and no congenital…
