PRIMARY MULTICYSTIC UNDIFFERENTIATED EMBRYONAL SARCOMA OF THE LIVER IN AN ADULT PRESENTING WITH PERIPHERAL EOSINOPHILIA

Primary undifferentiated embryonal sarcoma of liver is an extremely ra re pathologic entity in the adult population. An unusual case is repor ted of a 44-year-old female who presented with multiple hepatic cysts and peripheral eosinophilia, initially thought to be hydatid disease o f the liver. Angiogram revealed neovascularization. Surgical biopsy sh owed an anaplastic mesenchymal neoplasm. Pathologic findings are prese nted and the relevant literature reviewed. Hepatic undifferentiated em bryonal sarcoma should be included in the differential diagnosis of eo sinophilia accompanying hepatic cysts,