Clinical features
Localized pain and swelling
Fast growing tumor
Progressive weakness and weight loss
Skin over the tumor is shiny and stretched with prominent veins
Warm, tender and ill defined margins.
Pulsatile tumor
Movement of adjacent joint restricted due to mechanical obstruction and effusion.
Regional lymph node enlarged only in 25-30% cases.
If distal neurovascular deficit present strongly suggest malignancy.
Lung metastasis occur in 10-12 months if left untreated.