1, Saket Kumar 2

We present a case of 70 year old male patient having three months history of rapidly increasing swelling in right lower leg clinically suspected of? soft tissue tumor, ? myositis. On radiological examination large hypoechoic mass? malignancy. On histopathology diagnosed as malignant high grade soft tissue tumor-? Malignant vascular tumor,? liposarcoma, ? Rhabdomyosarcoma. On Immunohistochemistry confirmed as angiosarcoma. Deep soft tissue angiosarcoma is extremely rare. Herewith presenting such case with clinical, radiological, histopathological and Immunohistochemistry findings. Clinically this case showed aggressive behaviour with high histological grade. Key words: Angiosarcoma, lower extremity, soft tissue sarcomas