Angiosarcoma of Omental Mass: A Case Report

Angiosarcomas are rare malignancies of endothelial origin. Peritoneal angiosarcomas are rare and behave aggressively, resulting in 100 % mortality. Its incidence is approximately 0.01 per 100, 000 cases. . A 55 year old female presented with complaints of vomiting for 2 days. USG abdomen showed Mesothelioma with moderate ascites and bilateral pleural effusion. CT of abdomen and pelvis showed Ovarian neoplasm / Mesothelioma. On histopathology, the diagnosis was consistent with angiosarcoma. IHC for CD 34 was positive. Angiosarcomas are often misdiagnosed and the rate of tumourrelated death is high with a 5-year survival rate of only 20 %.